Session Initiation Protocol

    Android provides an API that supports the Session Initiation Protocol (SIP). This lets you add SIP-based internet telephony features to your applications. Android includes a full SIP protocol stack and integrated call management services that let applications easily set up outgoing and incoming voice calls, without having to manage sessions, transport-level communication, or audio record or playback directly.

Here are examples of the types of applications that might use the SIP API:

• Video conferencing.

• Instant messaging.

Here are the requirements for developing a SIP application:

• You must have a mobile device that is running Android 2.3 or higher.

• SIP runs over a wireless data connection, so your device must have a data connection (with a mobile data service or Wi-Fi). This means that you can't test on AVD—you can only test on a physical device. For details, see Testing SIP Applications.

• Each participant in the application's communication session must have a SIP account. There are many different SIP providers that offer SIP accounts.

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