diff --git a/app/features/keypad/components/keypad.tsx b/app/features/keypad/components/keypad.tsx
index 1c7473b..a56285c 100644
--- a/app/features/keypad/components/keypad.tsx
+++ b/app/features/keypad/components/keypad.tsx
@@ -1,45 +1,51 @@
 import { type FunctionComponent, type PropsWithChildren, useRef } from "react";
-import { usePress } from "@react-aria/interactions";
+import { type PressHookProps, usePress } from "@react-aria/interactions";
+
 import { useLongPressDigit, usePressDigit } from "~/features/keypad/hooks/atoms";
 
-const Keypad: FunctionComponent<PropsWithChildren<{}>> = ({ children }) => {
+type Props = {
+	onDigitPressProps?: (digit: string) => PressHookProps;
+	onZeroPressProps?: PressHookProps;
+};
+
+const Keypad: FunctionComponent<PropsWithChildren<Props>> = ({ children, onDigitPressProps, onZeroPressProps }) => {
 	return (
 		<section>
 			<Row>
-				<Digit digit="1" />
-				<Digit digit="2">
+				<Digit onPressProps={onDigitPressProps} digit="1" />
+				<Digit onPressProps={onDigitPressProps} digit="2">
 					<DigitLetters>ABC</DigitLetters>
 				</Digit>
-				<Digit digit="3">
+				<Digit onPressProps={onDigitPressProps} digit="3">
 					<DigitLetters>DEF</DigitLetters>
 				</Digit>
 			</Row>
 			<Row>
-				<Digit digit="4">
+				<Digit onPressProps={onDigitPressProps} digit="4">
 					<DigitLetters>GHI</DigitLetters>
 				</Digit>
-				<Digit digit="5">
+				<Digit onPressProps={onDigitPressProps} digit="5">
 					<DigitLetters>JKL</DigitLetters>
 				</Digit>
-				<Digit digit="6">
+				<Digit onPressProps={onDigitPressProps} digit="6">
 					<DigitLetters>MNO</DigitLetters>
 				</Digit>
 			</Row>
 			<Row>
-				<Digit digit="7">
+				<Digit onPressProps={onDigitPressProps} digit="7">
 					<DigitLetters>PQRS</DigitLetters>
 				</Digit>
-				<Digit digit="8">
+				<Digit onPressProps={onDigitPressProps} digit="8">
 					<DigitLetters>TUV</DigitLetters>
 				</Digit>
-				<Digit digit="9">
+				<Digit onPressProps={onDigitPressProps} digit="9">
 					<DigitLetters>WXYZ</DigitLetters>
 				</Digit>
 			</Row>
 			<Row>
-				<Digit digit="*" />
-				<ZeroDigit />
-				<Digit digit="#" />
+				<Digit onPressProps={onDigitPressProps} digit="*" />
+				<ZeroDigit onPressProps={onZeroPressProps} />
+				<Digit onPressProps={onDigitPressProps} digit="#" />
 			</Row>
 			{typeof children !== "undefined" ? <Row>{children}</Row> : null}
 		</section>
@@ -58,27 +64,32 @@ const DigitLetters: FunctionComponent<PropsWithChildren<{}>> = ({ children }) =>
 
 type DigitProps = {
 	digit: string;
+	onPressProps: Props["onDigitPressProps"];
 };
 
-const Digit: FunctionComponent<PropsWithChildren<DigitProps>> = ({ children, digit }) => {
+const Digit: FunctionComponent<PropsWithChildren<DigitProps>> = (props) => {
 	const pressDigit = usePressDigit();
 	const onPressProps = {
 		onPress() {
 			// navigator.vibrate(1); // removed in webkit
-			pressDigit(digit);
+			pressDigit(props.digit);
 		},
 	};
-	const { pressProps } = usePress(onPressProps);
+	const { pressProps } = usePress(props.onPressProps?.(props.digit) ?? onPressProps);
 
 	return (
 		<div {...pressProps} className="text-3xl cursor-pointer select-none">
-			{digit}
-			{children}
+			{props.digit}
+			{props.children}
 		</div>
 	);
 };
 
-const ZeroDigit: FunctionComponent = () => {
+type ZeroDigitProps = {
+	onPressProps: Props["onZeroPressProps"];
+};
+
+const ZeroDigit: FunctionComponent<ZeroDigitProps> = (props) => {
 	const timeoutRef = useRef<ReturnType<typeof setTimeout> | null>(null);
 	const pressDigit = usePressDigit();
 	const longPressDigit = useLongPressDigit();
@@ -96,7 +107,7 @@ const ZeroDigit: FunctionComponent = () => {
 			}
 		},
 	};
-	const { pressProps } = usePress(onPressProps);
+	const { pressProps } = usePress(props.onPressProps ?? onPressProps);
 
 	return (
 		<div {...pressProps} className="text-3xl cursor-pointer select-none">
diff --git a/app/features/phone-calls/hooks/use-device.ts b/app/features/phone-calls/hooks/use-device.ts
new file mode 100644
index 0000000..c95621f
--- /dev/null
+++ b/app/features/phone-calls/hooks/use-device.ts
@@ -0,0 +1,110 @@
+import { useEffect, useState } from "react";
+import { type TwilioError, Call, Device } from "@twilio/voice-sdk";
+import { useFetcher } from "@remix-run/react";
+
+import type { TwilioTokenLoaderData } from "~/features/phone-calls/loaders/twilio-token";
+
+export default function useDevice() {
+	const jwt = useDeviceToken();
+	const [device, setDevice] = useState<Device | null>(null);
+	const [isDeviceReady, setIsDeviceReady] = useState(() => device?.state === Device.State.Registered);
+
+	useEffect(() => {
+		jwt.refresh();
+	}, []);
+
+	useEffect(() => {
+		if (jwt.token && device?.state === Device.State.Registered && device?.token !== jwt.token) {
+			device.updateToken(jwt.token);
+		}
+	}, [jwt.token, device]);
+
+	useEffect(() => {
+		if (!jwt.token || device?.state === Device.State.Registered) {
+			return;
+		}
+
+		const newDevice = new Device(jwt.token, {
+			codecPreferences: [Call.Codec.Opus, Call.Codec.PCMU],
+			sounds: {
+				[Device.SoundName.Disconnect]: undefined, // TODO
+			},
+		});
+		newDevice.register(); // TODO throwing an error
+		setDevice(newDevice);
+	}, [device?.state, jwt.token, setDevice]);
+
+	useEffect(() => {
+		if (!device) {
+			return;
+		}
+
+		device.on("registered", onDeviceRegistered);
+		device.on("unregistered", onDeviceUnregistered);
+		device.on("error", onDeviceError);
+		device.on("incoming", onDeviceIncoming);
+		device.on("tokenWillExpire", onTokenWillExpire);
+
+		return () => {
+			if (typeof device.off !== "function") {
+				return;
+			}
+
+			device.off("registered", onDeviceRegistered);
+			device.off("unregistered", onDeviceUnregistered);
+			device.off("error", onDeviceError);
+			device.off("incoming", onDeviceIncoming);
+			device.off("tokenWillExpire", onTokenWillExpire);
+		};
+	}, [device]);
+
+	return {
+		device,
+		isDeviceReady,
+	};
+
+	function onTokenWillExpire() {
+		jwt.refresh();
+	}
+
+	function onDeviceRegistered() {
+		setIsDeviceReady(true);
+	}
+
+	function onDeviceUnregistered() {
+		setIsDeviceReady(false);
+	}
+
+	function onDeviceError(error: TwilioError.TwilioError, call?: Call) {
+		console.log("error", error);
+		// we might have to change this if we instantiate the device on every page to receive calls
+		setDevice(() => {
+			// hack to trigger the error boundary
+			throw error;
+		});
+	}
+
+	function onDeviceIncoming(call: Call) {
+		// TODO show alert to accept/reject the incoming call /!\ it should persist between screens /!\ prevent making a new call when there is a pending incoming call
+		console.log("call", call);
+		console.log("Incoming connection from " + call.parameters.From);
+		let archEnemyPhoneNumber = "+12093373517";
+
+		if (call.parameters.From === archEnemyPhoneNumber) {
+			call.reject();
+			console.log("It's your nemesis. Rejected call.");
+		} else {
+			// accept the incoming connection and start two-way audio
+			call.accept();
+		}
+	}
+}
+
+function useDeviceToken() {
+	const fetcher = useFetcher<TwilioTokenLoaderData>();
+
+	return {
+		token: fetcher.data,
+		refresh: () => fetcher.load("/outgoing-call/twilio-token"),
+	};
+}
diff --git a/app/features/phone-calls/hooks/use-make-call.ts b/app/features/phone-calls/hooks/use-make-call.ts
new file mode 100644
index 0000000..d98be58
--- /dev/null
+++ b/app/features/phone-calls/hooks/use-make-call.ts
@@ -0,0 +1,100 @@
+import { useCallback, useState } from "react";
+import { useNavigate } from "@remix-run/react";
+import type { Call } from "@twilio/voice-sdk";
+
+import useDevice from "./use-device";
+
+type Params = {
+	recipient: string;
+	onHangUp?: () => void;
+};
+
+export default function useMakeCall({ recipient, onHangUp }: Params) {
+	const navigate = useNavigate();
+	const [outgoingConnection, setOutgoingConnection] = useState<Call | null>(null);
+	const [state, setState] = useState<State>("initial");
+	const { device, isDeviceReady } = useDevice();
+
+	const endCall = useCallback(
+		function endCall() {
+			outgoingConnection?.off("cancel", endCall);
+			outgoingConnection?.off("disconnect", endCall);
+			outgoingConnection?.disconnect();
+
+			setState("call_ending");
+			setTimeout(() => {
+				setState("call_ended");
+				setTimeout(() => navigate("/keypad"), 100);
+			}, 150);
+		},
+		[outgoingConnection, navigate],
+	);
+
+	const makeCall = useCallback(
+		async function makeCall() {
+			if (!device || !isDeviceReady) {
+				console.warn("device is not ready yet, can't make the call");
+				return;
+			}
+
+			if (state !== "initial") {
+				return;
+			}
+
+			if (device.isBusy) {
+				console.error("device is busy, this shouldn't happen");
+				return;
+			}
+
+			setState("calling");
+
+			const params = { To: recipient };
+			const outgoingConnection = await device.connect({ params });
+			setOutgoingConnection(outgoingConnection);
+
+			outgoingConnection.on("error", (error) => {
+				outgoingConnection.off("cancel", endCall);
+				outgoingConnection.off("disconnect", endCall);
+				setState(() => {
+					// hack to trigger the error boundary
+					throw error;
+				});
+			});
+			outgoingConnection.once("accept", (call: Call) => setState("call_in_progress"));
+			outgoingConnection.on("cancel", endCall);
+			outgoingConnection.on("disconnect", endCall);
+		},
+		[device, isDeviceReady, recipient, state],
+	);
+
+	const sendDigits = useCallback(
+		function sendDigits(digits: string) {
+			return outgoingConnection?.sendDigits(digits);
+		},
+		[outgoingConnection],
+	);
+
+	const hangUp = useCallback(
+		function hangUp() {
+			setState("call_ending");
+			outgoingConnection?.disconnect();
+			device?.disconnectAll();
+			device?.destroy();
+			onHangUp?.();
+			navigate("/keypad");
+			// TODO: outgoingConnection.off is not a function
+			outgoingConnection?.off("cancel", endCall);
+			outgoingConnection?.off("disconnect", endCall);
+		},
+		[device, endCall, onHangUp, outgoingConnection, navigate],
+	);
+
+	return {
+		makeCall,
+		sendDigits,
+		hangUp,
+		state,
+	};
+}
+
+type State = "initial" | "ready" | "calling" | "call_in_progress" | "call_ending" | "call_ended";
diff --git a/app/features/phone-calls/loaders/twilio-token.ts b/app/features/phone-calls/loaders/twilio-token.ts
new file mode 100644
index 0000000..2d885c2
--- /dev/null
+++ b/app/features/phone-calls/loaders/twilio-token.ts
@@ -0,0 +1,63 @@
+import { type LoaderFunction } from "@remix-run/node";
+import Twilio from "twilio";
+
+import { refreshSessionData, requireLoggedIn } from "~/utils/auth.server";
+import { encrypt } from "~/utils/encryption";
+import db from "~/utils/db.server";
+import { commitSession } from "~/utils/session.server";
+import getTwilioClient from "~/utils/twilio.server";
+
+export type TwilioTokenLoaderData = string;
+
+const loader: LoaderFunction = async ({ request }) => {
+	const { user, organization, twilioAccount } = await requireLoggedIn(request);
+	if (!twilioAccount || !twilioAccount.twimlAppSid) {
+		throw new Error("unreachable");
+	}
+
+	const twilioClient = getTwilioClient(twilioAccount);
+	let shouldRefreshSession = false;
+	let { apiKeySid, apiKeySecret } = twilioAccount;
+	if (apiKeySid && apiKeySecret) {
+		try {
+			await twilioClient.keys.get(apiKeySid).fetch();
+		} catch (error: any) {
+			if (error.code !== 20404) {
+				throw error;
+			}
+
+			apiKeySid = null;
+			apiKeySecret = null;
+		}
+	}
+	if (!apiKeySid || !apiKeySecret) {
+		shouldRefreshSession = true;
+		const apiKey = await twilioClient.newKeys.create({ friendlyName: "Shellphone" });
+		apiKeySid = apiKey.sid;
+		apiKeySecret = apiKey.secret;
+		await db.twilioAccount.update({
+			where: { subAccountSid: twilioAccount.subAccountSid },
+			data: { apiKeySid: apiKey.sid, apiKeySecret: encrypt(apiKey.secret) },
+		});
+	}
+
+	const accessToken = new Twilio.jwt.AccessToken(twilioAccount.subAccountSid, apiKeySid, apiKeySecret, {
+		identity: `${organization.id}__${user.id}`,
+		ttl: 3600,
+	});
+	const grant = new Twilio.jwt.AccessToken.VoiceGrant({
+		outgoingApplicationSid: twilioAccount.twimlAppSid,
+		incomingAllow: true,
+	});
+	accessToken.addGrant(grant);
+
+	const headers = new Headers({ "Content-Type": "text/plain" });
+	if (shouldRefreshSession) {
+		const { session } = await refreshSessionData(request);
+		headers.set("Set-Cookie", await commitSession(session));
+	}
+
+	return new Response(accessToken.toJwt(), { headers });
+};
+
+export default loader;
diff --git a/app/routes/__app/outgoing-call.$recipient.tsx b/app/routes/__app/outgoing-call.$recipient.tsx
new file mode 100644
index 0000000..1bbe1d7
--- /dev/null
+++ b/app/routes/__app/outgoing-call.$recipient.tsx
@@ -0,0 +1,80 @@
+import { useCallback } from "react";
+import type { MetaFunction } from "@remix-run/node";
+import { useParams } from "@remix-run/react";
+import { IoCall } from "react-icons/io5";
+
+import { getSeoMeta } from "~/utils/seo";
+import { usePhoneNumber, usePressDigit } from "~/features/keypad/hooks/atoms";
+import useDevice from "~/features/phone-calls/hooks/use-device";
+import useMakeCall from "~/features/phone-calls/hooks/use-make-call";
+import Keypad from "~/features/keypad/components/keypad";
+
+export const meta: MetaFunction = ({ params }) => {
+	const recipient = decodeURIComponent(params.recipient ?? "");
+
+	return {
+		...getSeoMeta({
+			title: `Calling ${recipient}`,
+		}),
+	};
+};
+
+export default function OutgoingCallPage() {
+	const params = useParams<{ recipient: string }>();
+	const recipient = decodeURIComponent(params.recipient ?? "");
+	const [phoneNumber, setPhoneNumber] = usePhoneNumber();
+	const onHangUp = useCallback(() => setPhoneNumber(""), [setPhoneNumber]);
+	const call = useMakeCall({ recipient, onHangUp });
+	const { isDeviceReady } = useDevice();
+	const pressDigit = usePressDigit();
+	const onDigitPressProps = useCallback(
+		(digit: string) => ({
+			onPress() {
+				pressDigit(digit);
+
+				call.sendDigits(digit);
+			},
+		}),
+		[call, pressDigit],
+	);
+
+	return (
+		<div className="w-96 h-full flex flex-col justify-around py-5 mx-auto text-center text-black bg-white">
+			<div className="h-16 text-3xl text-gray-700">
+				<span>{recipient}</span>
+			</div>
+
+			<div className="mb-4 text-gray-600">
+				<div className="h-8 text-2xl">{phoneNumber}</div>
+				<div className="h-8 text-lg">{translateState(call.state)}</div>
+			</div>
+
+			<Keypad onDigitPressProps={onDigitPressProps} onZeroPressProps={onDigitPressProps("0")}>
+				<button
+					onClick={call.hangUp}
+					className="cursor-pointer select-none col-start-2 h-12 w-12 flex justify-center items-center mx-auto bg-red-800 rounded-full"
+				>
+					<IoCall className="w-6 h-6 text-white" />
+				</button>
+			</Keypad>
+		</div>
+	);
+
+	function translateState(state: typeof call.state) {
+		switch (state) {
+			case "initial":
+			case "ready":
+				return "Connecting...";
+			case "calling":
+				return "Calling...";
+			case "call_in_progress":
+				return "In call"; // TODO display time elapsed
+			case "call_ending":
+				return "Call ending...";
+			case "call_ended":
+				return "Call ended";
+		}
+	}
+}
+
+export const handle = { hideFooter: true };
diff --git a/app/routes/__app/outgoing-call.twilio-token.ts b/app/routes/__app/outgoing-call.twilio-token.ts
new file mode 100644
index 0000000..fad25cd
--- /dev/null
+++ b/app/routes/__app/outgoing-call.twilio-token.ts
@@ -0,0 +1,3 @@
+import twilioTokenLoader from "~/features/phone-calls/loaders/twilio-token";
+
+export const loader = twilioTokenLoader;
diff --git a/app/routes/twilio.authorize.ts b/app/routes/twilio.authorize.ts
index fa978b4..352c7b5 100644
--- a/app/routes/twilio.authorize.ts
+++ b/app/routes/twilio.authorize.ts
@@ -1,10 +1,8 @@
 import { type LoaderFunction, redirect } from "@remix-run/node";
-import twilio from "twilio";
 
 import { refreshSessionData, requireLoggedIn } from "~/utils/auth.server";
 import { commitSession } from "~/utils/session.server";
 import db from "~/utils/db.server";
-import serverConfig from "~/config/config.server";
 import getTwilioClient from "~/utils/twilio.server";
 import fetchPhoneCallsQueue from "~/queues/fetch-phone-calls.server";
 import fetchMessagesQueue from "~/queues/fetch-messages.server";
@@ -18,29 +16,27 @@ export const loader: LoaderFunction = async ({ request }) => {
 		throw new Error("unreachable");
 	}
 
-	let twilioClient = twilio(twilioSubAccountSid, serverConfig.twilio.authToken);
+	let twilioClient = getTwilioClient({ accountSid: twilioSubAccountSid, subAccountSid: twilioSubAccountSid });
 	const twilioSubAccount = await twilioClient.api.accounts(twilioSubAccountSid).fetch();
 	const twilioMainAccountSid = twilioSubAccount.ownerAccountSid;
 	const twilioMainAccount = await twilioClient.api.accounts(twilioMainAccountSid).fetch();
 	console.log("twilioSubAccount", twilioSubAccount);
 	console.log("twilioAccount", twilioMainAccount);
+	const data = {
+		subAccountSid: twilioSubAccount.sid,
+		subAccountAuthToken: encrypt(twilioSubAccount.authToken),
+		accountSid: twilioMainAccount.sid,
+	};
+
 	const twilioAccount = await db.twilioAccount.upsert({
 		where: { organizationId: organization.id },
 		create: {
 			organization: {
 				connect: { id: organization.id },
 			},
-			subAccountSid: twilioSubAccount.sid,
-			subAccountAuthToken: encrypt(twilioSubAccount.authToken),
-			accountSid: twilioMainAccount.sid,
-			accountAuthToken: encrypt(twilioMainAccount.authToken),
-		},
-		update: {
-			subAccountSid: twilioSubAccount.sid,
-			subAccountAuthToken: encrypt(twilioSubAccount.authToken),
-			accountSid: twilioMainAccount.sid,
-			accountAuthToken: encrypt(twilioMainAccount.authToken),
+			...data,
 		},
+		update: data,
 	});
 
 	twilioClient = getTwilioClient(twilioAccount);
diff --git a/app/routes/webhooks/call.ts b/app/routes/webhooks/call.ts
new file mode 100644
index 0000000..61f6473
--- /dev/null
+++ b/app/routes/webhooks/call.ts
@@ -0,0 +1,136 @@
+import { type ActionFunction } from "@remix-run/node";
+import { type CallInstance } from "twilio/lib/rest/api/v2010/account/call";
+import { badRequest, serverError } from "remix-utils";
+import { Direction, Prisma, SubscriptionStatus } from "@prisma/client";
+
+import logger from "~/utils/logger.server";
+import db from "~/utils/db.server";
+import twilio from "twilio";
+import { voiceUrl, translateCallStatus } from "~/utils/twilio.server";
+import { decrypt } from "~/utils/encryption";
+
+export const action: ActionFunction = async ({ request }) => {
+	const twilioSignature = request.headers.get("X-Twilio-Signature") || request.headers.get("x-twilio-signature");
+	if (!twilioSignature || Array.isArray(twilioSignature)) {
+		return badRequest("Invalid header X-Twilio-Signature");
+	}
+
+	const body: Body = await request.json();
+	const isOutgoingCall = body.From.startsWith("client:");
+	if (isOutgoingCall) {
+		const recipient = body.To;
+		const organizationId = body.From.slice("client:".length).split("__")[0];
+
+		try {
+			const phoneNumber = await db.phoneNumber.findUnique({
+				where: { organizationId_isCurrent: { organizationId, isCurrent: true } },
+				include: {
+					organization: {
+						include: {
+							subscriptions: {
+								where: {
+									OR: [
+										{ status: { not: SubscriptionStatus.deleted } },
+										{
+											status: SubscriptionStatus.deleted,
+											cancellationEffectiveDate: { gt: new Date() },
+										},
+									],
+								},
+								orderBy: { lastEventTime: Prisma.SortOrder.desc },
+							},
+							twilioAccount: true,
+						},
+					},
+				},
+			});
+
+			if (phoneNumber?.organization.subscriptions.length === 0) {
+				// decline the outgoing call because
+				// the organization is on the free plan
+				return new Response(null, { status: 402 });
+			}
+
+			const encryptedAuthToken = phoneNumber?.organization.twilioAccount?.subAccountAuthToken;
+			const authToken = encryptedAuthToken ? decrypt(encryptedAuthToken) : "";
+			if (
+				!phoneNumber ||
+				!encryptedAuthToken ||
+				!twilio.validateRequest(authToken, twilioSignature, voiceUrl, body)
+			) {
+				return badRequest("Invalid webhook");
+			}
+
+			await db.phoneCall.create({
+				data: {
+					id: body.CallSid,
+					recipient: body.To,
+					from: phoneNumber.number,
+					to: body.To,
+					status: translateCallStatus(body.CallStatus),
+					direction: Direction.Outbound,
+					duration: "0",
+					phoneNumberId: phoneNumber.id,
+				},
+			});
+
+			const voiceResponse = new twilio.twiml.VoiceResponse();
+			const dial = voiceResponse.dial({
+				answerOnBridge: true,
+				callerId: phoneNumber!.number,
+			});
+			dial.number(recipient);
+			console.log("twiml voiceResponse", voiceResponse.toString());
+
+			return new Response(voiceResponse.toString(), { headers: { "Content-Type": "text/xml" } });
+		} catch (error: any) {
+			logger.error(error);
+
+			return serverError(error.message);
+		}
+	}
+};
+
+type OutgoingCallBody = {
+	AccountSid: string;
+	ApiVersion: string;
+	ApplicationSid: string;
+	CallSid: string;
+	CallStatus: CallInstance["status"];
+	Called: string;
+	Caller: string;
+	Direction: `outbound${string}`;
+	From: string;
+	To: string;
+};
+
+type IncomingCallBody = {
+	AccountSid: string;
+	ApiVersion: string;
+	ApplicationSid: string;
+	CallSid: string;
+	CallStatus: CallInstance["status"];
+	Called: string;
+	CalledCity: string;
+	CalledCountry: string;
+	CalledState: string;
+	CalledZip: string;
+	Caller: string;
+	CallerCity: string;
+	CallerCountry: string;
+	CallerState: string;
+	CallerZip: string;
+	Direction: "inbound";
+	From: string;
+	FromCity: string;
+	FromCountry: string;
+	FromState: string;
+	FromZip: string;
+	To: string;
+	ToCity: string;
+	ToCountry: string;
+	ToState: string;
+	ToZip: string;
+};
+
+type Body = OutgoingCallBody | IncomingCallBody;
diff --git a/app/routes/webhooks/message.ts b/app/routes/webhooks/message.ts
index dc99a64..04f1318 100644
--- a/app/routes/webhooks/message.ts
+++ b/app/routes/webhooks/message.ts
@@ -57,7 +57,7 @@ export const action: ActionFunction = async ({ request }) => {
 			// if multiple organizations have the same number
 			// find the organization currently using that phone number
 			// maybe we shouldn't let that happen by restricting a phone number to one org?
-			const encryptedAuthToken = phoneNumber.organization.twilioAccount?.accountAuthToken;
+			const encryptedAuthToken = phoneNumber.organization.twilioAccount?.subAccountAuthToken;
 			const authToken = encryptedAuthToken ? decrypt(encryptedAuthToken) : "";
 			return twilio.validateRequest(authToken, twilioSignature, smsUrl, body);
 		});
diff --git a/app/utils/auth.server.ts b/app/utils/auth.server.ts
index 0260729..ed11caf 100644
--- a/app/utils/auth.server.ts
+++ b/app/utils/auth.server.ts
@@ -11,7 +11,7 @@ import { commitSession, destroySession, getSession } from "./session.server";
 
 type SessionTwilioAccount = Pick<
 	TwilioAccount,
-	"accountSid" | "accountAuthToken" | "subAccountSid" | "subAccountAuthToken" | "twimlAppSid"
+	"accountSid" | "subAccountSid" | "subAccountAuthToken" | "apiKeySid" | "apiKeySecret" | "twimlAppSid"
 >;
 type SessionOrganization = Pick<Organization, "id"> & { role: MembershipRole };
 type SessionPhoneNumber = Pick<PhoneNumber, "id" | "number">;
@@ -106,7 +106,6 @@ export async function authenticate({
 		headers: request.headers,
 	});
 	const sessionData = await authenticator.authenticate("email-password", signInRequest, { failureRedirect });
-	console.log("sessionKey", authenticator.sessionKey);
 	const session = await getSession(request);
 	session.set(authenticator.sessionKey, sessionData);
 	const redirectTo = successRedirect ?? "/messages";
@@ -181,9 +180,10 @@ async function buildSessionData(id: string): Promise<SessionData> {
 							twilioAccount: {
 								select: {
 									accountSid: true,
-									accountAuthToken: true,
 									subAccountSid: true,
 									subAccountAuthToken: true,
+									apiKeySid: true,
+									apiKeySecret: true,
 									twimlAppSid: true,
 								},
 							},
diff --git a/app/utils/twilio.server.ts b/app/utils/twilio.server.ts
index b701655..3853f49 100644
--- a/app/utils/twilio.server.ts
+++ b/app/utils/twilio.server.ts
@@ -15,7 +15,7 @@ export default function getTwilioClient({
 		throw new Error("unreachable");
 	}
 
-	return twilio(subAccountSid, serverConfig.twilio.authToken, {
+	return twilio(subAccountSid, subAccountAuthToken ?? serverConfig.twilio.authToken, {
 		accountSid,
 	});
 }
diff --git a/package-lock.json b/package-lock.json
index b8d9b41..c489802 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,6 +17,7 @@
 				"@tailwindcss/forms": "0.5.1",
 				"@tailwindcss/line-clamp": "0.4.0",
 				"@tailwindcss/typography": "0.5.2",
+				"@twilio/voice-sdk": "2.1.1",
 				"awesome-phonenumber": "3.0.1",
 				"aws-sdk": "2.1134.0",
 				"bullmq": "1.82.0",
@@ -3977,6 +3978,59 @@
 				"@testing-library/dom": ">=7.21.4"
 			}
 		},
+		"node_modules/@twilio/audioplayer": {
+			"version": "1.0.6",
+			"resolved": "https://registry.npmjs.org/@twilio/audioplayer/-/audioplayer-1.0.6.tgz",
+			"integrity": "sha512-c9cjX/ifICgXqShtyAQdVMqfe7odnxougiuRMXBJtn3dZ320mFdt7kmuKedpNnc3ZJ6irOZ9M9MZi9/vuEqHiw==",
+			"dependencies": {
+				"babel-runtime": "^6.26.0"
+			}
+		},
+		"node_modules/@twilio/voice-errors": {
+			"version": "1.1.1",
+			"resolved": "https://registry.npmjs.org/@twilio/voice-errors/-/voice-errors-1.1.1.tgz",
+			"integrity": "sha512-3IJzRhgAqsS3uW2PO7crUXEFxuFhggHeLvt/Q4hz7lrTLFChl37hWiImCMIaM5VHiybQi6ECVQsId2X8UdTr2A==",
+			"dependencies": {
+				"npm-run-all": "^4.1.5"
+			}
+		},
+		"node_modules/@twilio/voice-sdk": {
+			"version": "2.1.1",
+			"resolved": "https://registry.npmjs.org/@twilio/voice-sdk/-/voice-sdk-2.1.1.tgz",
+			"integrity": "sha512-k96NDlqp5k4thf5a3o5RqzWAGmkd3H/RMl8KSD0ChdQX0QuAW025p7we+QHyhLCkqG5MRGSBMy5FdQtvj/DOog==",
+			"dependencies": {
+				"@twilio/audioplayer": "1.0.6",
+				"@twilio/voice-errors": "1.1.1",
+				"backoff": "2.5.0",
+				"loglevel": "1.6.7",
+				"rtcpeerconnection-shim": "1.2.8",
+				"ws": "7.4.6",
+				"xmlhttprequest": "1.8.0"
+			},
+			"engines": {
+				"node": ">= 12"
+			}
+		},
+		"node_modules/@twilio/voice-sdk/node_modules/ws": {
+			"version": "7.4.6",
+			"resolved": "https://registry.npmjs.org/ws/-/ws-7.4.6.tgz",
+			"integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==",
+			"engines": {
+				"node": ">=8.3.0"
+			},
+			"peerDependencies": {
+				"bufferutil": "^4.0.1",
+				"utf-8-validate": "^5.0.2"
+			},
+			"peerDependenciesMeta": {
+				"bufferutil": {
+					"optional": true
+				},
+				"utf-8-validate": {
+					"optional": true
+				}
+			}
+		},
 		"node_modules/@types/acorn": {
 			"version": "4.0.6",
 			"resolved": "https://registry.npmjs.org/@types/acorn/-/acorn-4.0.6.tgz",
@@ -5346,6 +5400,20 @@
 				"@babel/core": "^7.0.0-0"
 			}
 		},
+		"node_modules/babel-runtime": {
+			"version": "6.26.0",
+			"resolved": "https://registry.npmjs.org/babel-runtime/-/babel-runtime-6.26.0.tgz",
+			"integrity": "sha512-ITKNuq2wKlW1fJg9sSW52eepoYgZBggvOAHC0u/CYu/qxQ9EVzThCgR69BnSXLHjy2f7SY5zaQ4yt7H9ZVxY2g==",
+			"dependencies": {
+				"core-js": "^2.4.0",
+				"regenerator-runtime": "^0.11.0"
+			}
+		},
+		"node_modules/babel-runtime/node_modules/regenerator-runtime": {
+			"version": "0.11.1",
+			"resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz",
+			"integrity": "sha512-MguG95oij0fC3QV3URf4V2SDYGJhJnJGqvIIgdECeODCT98wSWDAJ94SSuVpYQUoTcGUIL6L4yNB7j1DFFHSBg=="
+		},
 		"node_modules/babel-walk": {
 			"version": "3.0.0-canary-5",
 			"resolved": "https://registry.npmjs.org/babel-walk/-/babel-walk-3.0.0-canary-5.tgz",
@@ -5357,6 +5425,17 @@
 				"node": ">= 10.0.0"
 			}
 		},
+		"node_modules/backoff": {
+			"version": "2.5.0",
+			"resolved": "https://registry.npmjs.org/backoff/-/backoff-2.5.0.tgz",
+			"integrity": "sha512-wC5ihrnUXmR2douXmXLCe5O3zg3GKIyvRi/hi58a/XyRxVI+3/yM0PYueQOZXPXQ9pxBislYkw+sF9b7C/RuMA==",
+			"dependencies": {
+				"precond": "0.2"
+			},
+			"engines": {
+				"node": ">= 0.6"
+			}
+		},
 		"node_modules/bail": {
 			"version": "2.0.2",
 			"resolved": "https://registry.npmjs.org/bail/-/bail-2.0.2.tgz",
@@ -6998,6 +7077,13 @@
 				"node": ">=0.10.0"
 			}
 		},
+		"node_modules/core-js": {
+			"version": "2.6.12",
+			"resolved": "https://registry.npmjs.org/core-js/-/core-js-2.6.12.tgz",
+			"integrity": "sha512-Kb2wC0fvsWfQrgk8HU5lW6U/Lcs8+9aaYcy4ZFc6DDlo4nZ7n70dEgE5rtR0oG6ufKDUnrwfWL1mXR5ljDatrQ==",
+			"deprecated": "core-js@<3.4 is no longer maintained and not recommended for usage due to the number of issues. Because of the V8 engine whims, feature detection in old core-js versions could cause a slowdown up to 100x even if nothing is polyfilled. Please, upgrade your dependencies to the actual version of core-js.",
+			"hasInstallScript": true
+		},
 		"node_modules/core-js-compat": {
 			"version": "3.21.1",
 			"resolved": "https://registry.npmjs.org/core-js-compat/-/core-js-compat-3.21.1.tgz",
@@ -11046,8 +11132,7 @@
 		"node_modules/hosted-git-info": {
 			"version": "2.8.9",
 			"resolved": "https://registry.npmjs.org/hosted-git-info/-/hosted-git-info-2.8.9.tgz",
-			"integrity": "sha512-mxIDAb9Lsm6DoOJ7xH+5+X4y1LU/4Hi50L9C5sIswK3JzULS4bwk1FvjdBgvYR4bzT4tuUQiC15FE2f5HbLvYw==",
-			"dev": true
+			"integrity": "sha512-mxIDAb9Lsm6DoOJ7xH+5+X4y1LU/4Hi50L9C5sIswK3JzULS4bwk1FvjdBgvYR4bzT4tuUQiC15FE2f5HbLvYw=="
 		},
 		"node_modules/hsl-regex": {
 			"version": "1.0.0",
@@ -12534,8 +12619,7 @@
 		"node_modules/json-parse-better-errors": {
 			"version": "1.0.2",
 			"resolved": "https://registry.npmjs.org/json-parse-better-errors/-/json-parse-better-errors-1.0.2.tgz",
-			"integrity": "sha512-mrqyZKfX5EhL7hvqcV6WG1yYjnjeuYDzDhhcAAUrq8Po85NBQBJP+ZDUT75qZQ98IkUoBqdkExkukOU7Ts2wrw==",
-			"dev": true
+			"integrity": "sha512-mrqyZKfX5EhL7hvqcV6WG1yYjnjeuYDzDhhcAAUrq8Po85NBQBJP+ZDUT75qZQ98IkUoBqdkExkukOU7Ts2wrw=="
 		},
 		"node_modules/json-parse-even-better-errors": {
 			"version": "2.3.1",
@@ -13046,7 +13130,6 @@
 			"version": "4.0.0",
 			"resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-4.0.0.tgz",
 			"integrity": "sha1-L19Fq5HjMhYjT9U62rZo607AmTs=",
-			"dev": true,
 			"dependencies": {
 				"graceful-fs": "^4.1.2",
 				"parse-json": "^4.0.0",
@@ -13061,7 +13144,6 @@
 			"version": "3.0.0",
 			"resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
 			"integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=",
-			"dev": true,
 			"engines": {
 				"node": ">=4"
 			}
@@ -13070,7 +13152,6 @@
 			"version": "3.0.0",
 			"resolved": "https://registry.npmjs.org/strip-bom/-/strip-bom-3.0.0.tgz",
 			"integrity": "sha1-IzTBjpx1n3vdVv3vfprj1YjmjtM=",
-			"dev": true,
 			"engines": {
 				"node": ">=4"
 			}
@@ -13360,6 +13441,18 @@
 				"node": ">=8"
 			}
 		},
+		"node_modules/loglevel": {
+			"version": "1.6.7",
+			"resolved": "https://registry.npmjs.org/loglevel/-/loglevel-1.6.7.tgz",
+			"integrity": "sha512-cY2eLFrQSAfVPhCgH1s7JI73tMbg9YC3v3+ZHVW67sBS7UxWzNEk/ZBbSfLykBWHp33dqqtOv82gjhKEi81T/A==",
+			"engines": {
+				"node": ">= 0.6.0"
+			},
+			"funding": {
+				"type": "tidelift",
+				"url": "https://tidelift.com/subscription/pkg/npm-loglevel?utm_medium=referral&utm_source=npm_fund"
+			}
+		},
 		"node_modules/longest-streak": {
 			"version": "3.0.1",
 			"resolved": "https://registry.npmjs.org/longest-streak/-/longest-streak-3.0.1.tgz",
@@ -13807,7 +13900,6 @@
 			"version": "0.3.1",
 			"resolved": "https://registry.npmjs.org/memorystream/-/memorystream-0.3.1.tgz",
 			"integrity": "sha1-htcJCzDORV1j+64S3aUaR93K+bI=",
-			"dev": true,
 			"engines": {
 				"node": ">= 0.10.0"
 			}
@@ -15009,8 +15101,7 @@
 		"node_modules/nice-try": {
 			"version": "1.0.5",
 			"resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",
-			"integrity": "sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==",
-			"dev": true
+			"integrity": "sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ=="
 		},
 		"node_modules/node-addon-api": {
 			"version": "1.7.2",
@@ -15110,7 +15201,6 @@
 			"version": "2.5.0",
 			"resolved": "https://registry.npmjs.org/normalize-package-data/-/normalize-package-data-2.5.0.tgz",
 			"integrity": "sha512-/5CMN3T0R4XTj4DcGaexo+roZSdSFW/0AOOTROrjxzCG1wrWXEsGbRKevjlIL+ZDE4sZlJr5ED4YW0yqmkK+eA==",
-			"dev": true,
 			"dependencies": {
 				"hosted-git-info": "^2.1.4",
 				"resolve": "^1.10.0",
@@ -15122,7 +15212,6 @@
 			"version": "5.7.1",
 			"resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
 			"integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
-			"dev": true,
 			"bin": {
 				"semver": "bin/semver"
 			}
@@ -15159,7 +15248,6 @@
 			"version": "4.1.5",
 			"resolved": "https://registry.npmjs.org/npm-run-all/-/npm-run-all-4.1.5.tgz",
 			"integrity": "sha512-Oo82gJDAVcaMdi3nuoKFavkIHBRVqQ1qvMb+9LHk/cF4P6B2m8aP04hGf7oL6wZ9BuGwX1onlLhpuoofSyoQDQ==",
-			"dev": true,
 			"dependencies": {
 				"ansi-styles": "^3.2.1",
 				"chalk": "^2.4.1",
@@ -15184,7 +15272,6 @@
 			"version": "3.2.1",
 			"resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
 			"integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
-			"dev": true,
 			"dependencies": {
 				"color-convert": "^1.9.0"
 			},
@@ -15196,7 +15283,6 @@
 			"version": "2.4.2",
 			"resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
 			"integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
-			"dev": true,
 			"dependencies": {
 				"ansi-styles": "^3.2.1",
 				"escape-string-regexp": "^1.0.5",
@@ -15210,7 +15296,6 @@
 			"version": "1.9.3",
 			"resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
 			"integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
-			"dev": true,
 			"dependencies": {
 				"color-name": "1.1.3"
 			}
@@ -15218,14 +15303,12 @@
 		"node_modules/npm-run-all/node_modules/color-name": {
 			"version": "1.1.3",
 			"resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
-			"integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
-			"dev": true
+			"integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU="
 		},
 		"node_modules/npm-run-all/node_modules/cross-spawn": {
 			"version": "6.0.5",
 			"resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
 			"integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
-			"dev": true,
 			"dependencies": {
 				"nice-try": "^1.0.4",
 				"path-key": "^2.0.1",
@@ -15241,7 +15324,6 @@
 			"version": "1.0.5",
 			"resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
 			"integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
-			"dev": true,
 			"engines": {
 				"node": ">=0.8.0"
 			}
@@ -15250,7 +15332,6 @@
 			"version": "3.0.0",
 			"resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
 			"integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
-			"dev": true,
 			"engines": {
 				"node": ">=4"
 			}
@@ -15259,7 +15340,6 @@
 			"version": "2.0.1",
 			"resolved": "https://registry.npmjs.org/path-key/-/path-key-2.0.1.tgz",
 			"integrity": "sha1-QRyttXTFoUDTpLGRDUDYDMn0C0A=",
-			"dev": true,
 			"engines": {
 				"node": ">=4"
 			}
@@ -15268,7 +15348,6 @@
 			"version": "0.3.1",
 			"resolved": "https://registry.npmjs.org/pidtree/-/pidtree-0.3.1.tgz",
 			"integrity": "sha512-qQbW94hLHEqCg7nhby4yRC7G2+jYHY4Rguc2bjw7Uug4GIJuu1tvf2uHaZv5Q8zdt+WKJ6qK1FOI6amaWUo5FA==",
-			"dev": true,
 			"bin": {
 				"pidtree": "bin/pidtree.js"
 			},
@@ -15280,7 +15359,6 @@
 			"version": "5.7.1",
 			"resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
 			"integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
-			"dev": true,
 			"bin": {
 				"semver": "bin/semver"
 			}
@@ -15289,7 +15367,6 @@
 			"version": "1.2.0",
 			"resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-1.2.0.tgz",
 			"integrity": "sha1-RKrGW2lbAzmJaMOfNj/uXer98eo=",
-			"dev": true,
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-			"dev": true,
 			"requires": {
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 				"chalk": "^2.4.1",
@@ -33017,7 +33175,6 @@
 					"version": "3.2.1",
 					"resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
 					"integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
-					"dev": true,
 					"requires": {
 						"color-convert": "^1.9.0"
 					}
@@ -33026,7 +33183,6 @@
 					"version": "2.4.2",
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-					"dev": true,
 					"requires": {
 						"ansi-styles": "^3.2.1",
 						"escape-string-regexp": "^1.0.5",
@@ -33037,7 +33193,6 @@
 					"version": "1.9.3",
 					"resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
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-					"dev": true,
 					"requires": {
 						"color-name": "1.1.3"
 					}
@@ -33045,14 +33200,12 @@
 				"color-name": {
 					"version": "1.1.3",
 					"resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
-					"integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
-					"dev": true
+					"integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU="
 				},
 				"cross-spawn": {
 					"version": "6.0.5",
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-					"dev": true,
 					"requires": {
 						"nice-try": "^1.0.4",
 						"path-key": "^2.0.1",
@@ -33064,38 +33217,32 @@
 				"escape-string-regexp": {
 					"version": "1.0.5",
 					"resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz",
-					"integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=",
-					"dev": true
+					"integrity": "sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ="
 				},
 				"has-flag": {
 					"version": "3.0.0",
 					"resolved": "https://registry.npmjs.org/has-flag/-/has-flag-3.0.0.tgz",
-					"integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0=",
-					"dev": true
+					"integrity": "sha1-tdRU3CGZriJWmfNGfloH87lVuv0="
 				},
 				"path-key": {
 					"version": "2.0.1",
 					"resolved": "https://registry.npmjs.org/path-key/-/path-key-2.0.1.tgz",
-					"integrity": "sha1-QRyttXTFoUDTpLGRDUDYDMn0C0A=",
-					"dev": true
+					"integrity": "sha1-QRyttXTFoUDTpLGRDUDYDMn0C0A="
 				},
 				"pidtree": {
 					"version": "0.3.1",
 					"resolved": "https://registry.npmjs.org/pidtree/-/pidtree-0.3.1.tgz",
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-					"dev": true
+					"integrity": "sha512-qQbW94hLHEqCg7nhby4yRC7G2+jYHY4Rguc2bjw7Uug4GIJuu1tvf2uHaZv5Q8zdt+WKJ6qK1FOI6amaWUo5FA=="
 				},
 				"semver": {
 					"version": "5.7.1",
 					"resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
-					"integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ==",
-					"dev": true
+					"integrity": "sha512-sauaDf/PZdVgrLTNYHRtpXa1iRiKcaebiKQ1BJdpQlWH2lCvexQdX55snPFyK7QzpudqbCI0qXFfOasHdyNDGQ=="
 				},
 				"shebang-command": {
 					"version": "1.2.0",
 					"resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-1.2.0.tgz",
 					"integrity": "sha1-RKrGW2lbAzmJaMOfNj/uXer98eo=",
-					"dev": true,
 					"requires": {
 						"shebang-regex": "^1.0.0"
 					}
@@ -33103,14 +33250,12 @@
 				"shebang-regex": {
 					"version": "1.0.0",
 					"resolved": "https://registry.npmjs.org/shebang-regex/-/shebang-regex-1.0.0.tgz",
-					"integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=",
-					"dev": true
+					"integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM="
 				},
 				"supports-color": {
 					"version": "5.5.0",
 					"resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
 					"integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
-					"dev": true,
 					"requires": {
 						"has-flag": "^3.0.0"
 					}
@@ -33119,7 +33264,6 @@
 					"version": "1.3.1",
 					"resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
 					"integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
-					"dev": true,
 					"requires": {
 						"isexe": "^2.0.0"
 					}
@@ -33502,7 +33646,6 @@
 			"version": "4.0.0",
 			"resolved": "https://registry.npmjs.org/parse-json/-/parse-json-4.0.0.tgz",
 			"integrity": "sha1-vjX1Qlvh9/bHRxhPmKeIy5lHfuA=",
-			"dev": true,
 			"requires": {
 				"error-ex": "^1.3.1",
 				"json-parse-better-errors": "^1.0.1"
@@ -34296,6 +34439,11 @@
 				}
 			}
 		},
+		"precond": {
+			"version": "0.2.3",
+			"resolved": "https://registry.npmjs.org/precond/-/precond-0.2.3.tgz",
+			"integrity": "sha1-qpWRvKokkj8eD0hJ0kD0fvwQdaw="
+		},
 		"prelude-ls": {
 			"version": "1.2.1",
 			"resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.2.1.tgz",
@@ -34842,7 +34990,6 @@
 			"version": "3.0.0",
 			"resolved": "https://registry.npmjs.org/read-pkg/-/read-pkg-3.0.0.tgz",
 			"integrity": "sha1-nLxoaXj+5l0WwA4rGcI3/Pbjg4k=",
-			"dev": true,
 			"requires": {
 				"load-json-file": "^4.0.0",
 				"normalize-package-data": "^2.3.2",
@@ -34853,7 +35000,6 @@
 					"version": "3.0.0",
 					"resolved": "https://registry.npmjs.org/path-type/-/path-type-3.0.0.tgz",
 					"integrity": "sha512-T2ZUsdZFHgA3u4e5PfPbjd7HDDpxPnQb5jN0SrDsjNSuVXHJqtwTnWqG0B1jZrgmJ/7lj1EmVIByWt1gxGkWvg==",
-					"dev": true,
 					"requires": {
 						"pify": "^3.0.0"
 					}
@@ -34861,8 +35007,7 @@
 				"pify": {
 					"version": "3.0.0",
 					"resolved": "https://registry.npmjs.org/pify/-/pify-3.0.0.tgz",
-					"integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY=",
-					"dev": true
+					"integrity": "sha1-5aSs0sEB/fPZpNB/DbxNtJ3SgXY="
 				}
 			}
 		},
@@ -35501,6 +35646,14 @@
 			"resolved": "https://registry.npmjs.org/rootpath/-/rootpath-0.1.2.tgz",
 			"integrity": "sha1-Wzeah9ypBum5HWkKWZQ5vvJn6ms="
 		},
+		"rtcpeerconnection-shim": {
+			"version": "1.2.8",
+			"resolved": "https://registry.npmjs.org/rtcpeerconnection-shim/-/rtcpeerconnection-shim-1.2.8.tgz",
+			"integrity": "sha512-5Sx90FGru1sQw9aGOM+kHU4i6mbP8eJPgxliu2X3Syhg8qgDybx8dpDTxUwfJvPnubXFnZeRNl59DWr4AttJKQ==",
+			"requires": {
+				"sdp": "^2.6.0"
+			}
+		},
 		"run-async": {
 			"version": "2.4.1",
 			"resolved": "https://registry.npmjs.org/run-async/-/run-async-2.4.1.tgz",
@@ -35580,6 +35733,11 @@
 			"resolved": "https://registry.npmjs.org/scmp/-/scmp-2.1.0.tgz",
 			"integrity": "sha512-o/mRQGk9Rcer/jEEw/yw4mwo3EU/NvYvp577/Btqrym9Qy5/MdWGBqipbALgd2lrdWTJ5/gqDusxfnQBxOxT2Q=="
 		},
+		"sdp": {
+			"version": "2.12.0",
+			"resolved": "https://registry.npmjs.org/sdp/-/sdp-2.12.0.tgz",
+			"integrity": "sha512-jhXqQAQVM+8Xj5EjJGVweuEzgtGWb3tmEEpl3CLP3cStInSbVHSg0QWOGQzNq8pSID4JkpeV2mPqlMDLrm0/Vw=="
+		},
 		"secure-password": {
 			"version": "4.0.0",
 			"resolved": "https://registry.npmjs.org/secure-password/-/secure-password-4.0.0.tgz",
@@ -35788,8 +35946,7 @@
 		"shell-quote": {
 			"version": "1.7.3",
 			"resolved": "https://registry.npmjs.org/shell-quote/-/shell-quote-1.7.3.tgz",
-			"integrity": "sha512-Vpfqwm4EnqGdlsBFNmHhxhElJYrdfcxPThu+ryKS5J8L/fhAwLazFZtq+S+TWZ9ANj2piSQLGj6NQg+lKPmxrw==",
-			"dev": true
+			"integrity": "sha512-Vpfqwm4EnqGdlsBFNmHhxhElJYrdfcxPThu+ryKS5J8L/fhAwLazFZtq+S+TWZ9ANj2piSQLGj6NQg+lKPmxrw=="
 		},
 		"side-channel": {
 			"version": "1.0.4",
@@ -36182,7 +36339,6 @@
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 			"resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.1.1.tgz",
 			"integrity": "sha512-cOYcUWwhCuHCXi49RhFRCyJEK3iPj1Ziz9DpViV3tbZOwXD49QzIN3MpOLJNxh2qwq2lJJZaKMVw9qNi4jTC0w==",
-			"dev": true,
 			"requires": {
 				"spdx-expression-parse": "^3.0.0",
 				"spdx-license-ids": "^3.0.0"
@@ -36191,14 +36347,12 @@
 		"spdx-exceptions": {
 			"version": "2.3.0",
 			"resolved": "https://registry.npmjs.org/spdx-exceptions/-/spdx-exceptions-2.3.0.tgz",
-			"integrity": "sha512-/tTrYOC7PPI1nUAgx34hUpqXuyJG+DTHJTnIULG4rDygi4xu/tfgmq1e1cIRwRzwZgo4NLySi+ricLkZkw4i5A==",
-			"dev": true
+			"integrity": "sha512-/tTrYOC7PPI1nUAgx34hUpqXuyJG+DTHJTnIULG4rDygi4xu/tfgmq1e1cIRwRzwZgo4NLySi+ricLkZkw4i5A=="
 		},
 		"spdx-expression-parse": {
 			"version": "3.0.1",
 			"resolved": "https://registry.npmjs.org/spdx-expression-parse/-/spdx-expression-parse-3.0.1.tgz",
 			"integrity": "sha512-cbqHunsQWnJNE6KhVSMsMeH5H/L9EpymbzqTQ3uLwNCLZ1Q481oWaofqH7nO6V07xlXwY6PhQdQ2IedWx/ZK4Q==",
-			"dev": true,
 			"requires": {
 				"spdx-exceptions": "^2.1.0",
 				"spdx-license-ids": "^3.0.0"
@@ -36207,8 +36361,7 @@
 		"spdx-license-ids": {
 			"version": "3.0.11",
 			"resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-3.0.11.tgz",
-			"integrity": "sha512-Ctl2BrFiM0X3MANYgj3CkygxhRmr9mi6xhejbdO960nF6EDJApTYpn0BQnDKlnNBULKiCN1n3w9EBkHK8ZWg+g==",
-			"dev": true
+			"integrity": "sha512-Ctl2BrFiM0X3MANYgj3CkygxhRmr9mi6xhejbdO960nF6EDJApTYpn0BQnDKlnNBULKiCN1n3w9EBkHK8ZWg+g=="
 		},
 		"split": {
 			"version": "0.3.3",
@@ -36594,7 +36747,6 @@
 			"version": "3.1.3",
 			"resolved": "https://registry.npmjs.org/string.prototype.padend/-/string.prototype.padend-3.1.3.tgz",
 			"integrity": "sha512-jNIIeokznm8SD/TZISQsZKYu7RJyheFNt84DUPrh482GC8RVp2MKqm2O5oBRdGxbDQoXrhhWtPIWQOiy20svUg==",
-			"dev": true,
 			"requires": {
 				"call-bind": "^1.0.2",
 				"define-properties": "^1.1.3",
@@ -37759,7 +37911,6 @@
 			"version": "3.0.4",
 			"resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
 			"integrity": "sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==",
-			"dev": true,
 			"requires": {
 				"spdx-correct": "^3.0.0",
 				"spdx-expression-parse": "^3.0.0"
@@ -38144,6 +38295,11 @@
 			"resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-9.0.7.tgz",
 			"integrity": "sha1-Ey7mPS7FVlxVfiD0wi35rKaGsQ0="
 		},
+		"xmlhttprequest": {
+			"version": "1.8.0",
+			"resolved": "https://registry.npmjs.org/xmlhttprequest/-/xmlhttprequest-1.8.0.tgz",
+			"integrity": "sha1-Z/4HXFwk/vOfnWX197f+dRcZaPw="
+		},
 		"xmlhttprequest-ssl": {
 			"version": "2.0.0",
 			"resolved": "https://registry.npmjs.org/xmlhttprequest-ssl/-/xmlhttprequest-ssl-2.0.0.tgz",
diff --git a/package.json b/package.json
index c78d604..12799f9 100644
--- a/package.json
+++ b/package.json
@@ -58,6 +58,7 @@
 		"@tailwindcss/forms": "0.5.1",
 		"@tailwindcss/line-clamp": "0.4.0",
 		"@tailwindcss/typography": "0.5.2",
+		"@twilio/voice-sdk": "2.1.1",
 		"awesome-phonenumber": "3.0.1",
 		"aws-sdk": "2.1134.0",
 		"bullmq": "1.82.0",
diff --git a/prisma/migrations/20220517184134_init/migration.sql b/prisma/migrations/20220517184134_init/migration.sql
index 57023d0..ee6c93d 100644
--- a/prisma/migrations/20220517184134_init/migration.sql
+++ b/prisma/migrations/20220517184134_init/migration.sql
@@ -26,8 +26,9 @@ CREATE TABLE "TwilioAccount" (
     "updatedAt" TIMESTAMPTZ(6) NOT NULL,
     "subAccountAuthToken" TEXT NOT NULL,
     "accountSid" TEXT NOT NULL,
-    "accountAuthToken" TEXT NOT NULL,
     "twimlAppSid" TEXT,
+    "apiKeySid" TEXT,
+    "apiKeySecret" TEXT,
     "organizationId" TEXT NOT NULL,
 
     CONSTRAINT "TwilioAccount_pkey" PRIMARY KEY ("subAccountSid")
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 133ba8e..b2bcc3f 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -13,8 +13,9 @@ model TwilioAccount {
   updatedAt           DateTime @updatedAt @db.Timestamptz(6)
   subAccountAuthToken String
   accountSid          String
-  accountAuthToken    String
   twimlAppSid         String?
+  apiKeySid           String?
+  apiKeySecret        String?
 
   organizationId String       @unique
   organization   Organization @relation(fields: [organizationId], references: [id], onDelete: Cascade)