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.
12
Net2Phone Inc.
770
Freeware
Net2Phone SIP Dialer lets you make phone calls using your computer.
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.
Roger Zander
1,827
Freeware
WMI Provider is a simple WMI Provider written in C# (.NET 3.5 SP1 is required).
3
Citrix Systems, Inc
1
Freeware
Citrix XenApp Provider is the new name for the WMI Provider.
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.
3
Octro, Inc.
62
Shareware
OctroTalk is an integrated instant messaging application VoIP call, SIP call etc.
Vietnam Datacommunication Company
21
Freeware
VNN-SIP-Fone uses public Internet to establish calls between telephone and PC.
