1
SIP Communicator
116
Open source
SIP Communicator - the Java VoIP and Instant Messaging client.
Abto, LLC
Shareware
VoIP SIP SDK provides a powerful and highly customizable solution.
1
Interactive Intelligence
5
Freeware
SIP Proxy - survivable remote site telephony (SRST) during disaster recovery.
76
BreakPoint Software
112
Shareware
SIP Workbench is a graphical protocol analyzer and viewer.
63
KaplanSoft
60
Shareware
TekSIP is a SIP Registrar and SIP Proxy for Windows.
1
PCBest Networks
18
Freeware
Robust SIP ActiveX Phone is a powerful and robust SIP ActiveX phone client.
E-Soft Billing (Pvt.) Ltd.
2
Demo
SIP Mobile Dialer is designed for small and mid size VoIP/SIP providers.
Deniz Esen
29
Freeware
Econ NetVert is a free .NET sourcecode language converter.
2
Wind River Systems, Inc.
1
Shareware
An open, extensible and scalable cross-platform SourceCode Engineering tool for C, C++, FORTRAN, Jav....
Emil Tchekov
13
Freeware
OPeLo is FREEWARE Sourcecode editor for OPL available in english and german.
83
Steema Software
4
Shareware
Java Charting Library with sourcecode for Swing, SWT, Android and BlackBerry.
2
Anton Raharja
11
Open source
This software enables voice, video and IM sessions based on XMPP, SIP and IAX2.
2
Billion Online Technology Ltd.
24
Freeware
BOL SIPPhone is the leading SIP dialer, available for private label and logo.
2
Finarea S.A. Switzerland
239
Freeware
Enter your settings in SIP-device and call at the lowest rates available.