How to integrate SIP into Android?

Question

How to implement SIP protocol in Android ? there is any SDK or library available to implement it easily into Android?

Solution 1

Here is a third party Library with sample code. You can use this, I have used it and it works fine.

Solution 2

Android 2.3 or higher provides API for SIP.

Refer this link for SIP in Android

also you can see DEMO project for SIP from Sample

update:
Android SDK Samples on github.
SipDemo1, SipDemo2

Solution 3

Search for SipDemo project in samples for android 4.0.3 SDK version(API level -15)