useful URLs of JAIN SIP & Mobicents.

JAIN SIP 1.1 Reference implementation ( NIST SIP Parser and Stack (v1.2) API )
http://www-x.antd.nist.gov/proj/iptel/src/nist-sip/jain-sip/docs/api/index.html

Mobicents relative, including:
- Mobicents Docs
- Mobicents EclipSLEE
- Mobicents Examples Mobicents Examples
- Mobicents Server
- Mobicents Thirdparty
Mobicents is an Open Source VoIP Platform. It is the First and Only Open Source Certified implementation of JAIN SLEE 1.0 (JSR 22).
https://sourceforge.net/project/showfiles.php?group_id=102670

Java.net - projects - communications - voip
Protocols, servers, interfaces, programs, related to Voice over IP.
https://voip.dev.java.net/

sip-communicator
http://www.sip-communicator.org/index.php

JBoss.org
http://sourceforge.net/project/showfiles.php?group_id=22866