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Twilio Client iOS Quickstart

Deprecation notice

The Twilio Client SDKs for Android & iOS have been deprecated and replaced by Twilio's new Programmable Voice SDK.



The Programmable Voice SDK offers many improvements over the Twilio Client SDK, including greater stability, improved backgrounding, and built-in support for push notifications for incoming calls.



Get started with the new Programmable Voice SDK by checking out one of the links below:

If you're just getting started with a Twilio mobile application for voice calling, we recommend you use the Programmable Voice SDK. If you're already using the Twilio Client SDK, you should plan to upgrade to the Programmable Voice SDK as soon as you're able.

Need some help?

We all do sometimes; code is hard. Get help now from our support team, or lean on the wisdom of the crowd browsing the Twilio tag on Stack Overflow.