1
SIP Communicator
116
Open source
SIP Communicator - the Java VoIP and Instant Messaging client.
3
Frontline Test Equipment, Inc.
105
Freeware
It is an easy to use and powerful protocol analysis platform.
76
BreakPoint Software
112
Shareware
SIP Workbench is a graphical protocol analyzer and viewer.
3CX Ltd
30
Freeware
It can simplify Firewall configuration at both the remote and the PBX location.
15
Linphone
2,606
Open source
Configure SIP accounts, perform VoIP phone calls or initiate audio conferences.
3
Duxoft Lite
130
Freeware
It is a SIP-based softphone, can be used to make or receive calls.
Richard GAYRAUD, Olivier JACQUES
254
Open source
Sipp is a performance testing tool for the SIP protocol.
53
ProfInfoTech
4
Shareware
New generation phone system working in IP-networks using SIP protocol.
3
iaxtalk.com
33
Freeware
sipLite softphone is a free softphone which works with SIP protocol.
5
Innovative Systems of Communication LLC
32
Freeware
Flaphone™ is a SIP (Session Initiation Protocol) compatible web softphone...
Yasin KAPLAN
5
Shareware
TekFax is a SIP (Session Initiation Protocol) fax receiver server.
Microsoft Corporation
8
Freeware
It can be used for creating server-side Session Initiation Protocol (SIP) apps.
1
Sapunov Vladimir
28
Shareware
Zeta Debugger is a stand-alone source level debugger and code profiler for C/C++/Asm applications wr....
AZEVEDO Filipe & The Monkey Studio Team
4
Freeware
Beaver Debugger is free cross-platform debugger (GDB frontend).
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.
