9
3CX System Ltd
30
Freeware
Be connected to all your contacts anyhwere anytime with 3CX VoIP Client.
3CX Ltd
30
Freeware
It can simplify Firewall configuration at both the remote and the PBX location.
Abto
Shareware
ABTO VoIP SIP SDK installation includes a number of finished softphone samples.
1
SIP Communicator
116
Open source
SIP Communicator - the Java VoIP and Instant Messaging client.
VoIP Bookers
Freeware
VoIP Bookers offers you quality voIP and sip calls.
31
VoIP Club
197
Freeware
It is a VoIP utility that allows you to make national and international calls.
E-Soft Billing (Pvt.) Ltd.
2
Demo
SIP Mobile Dialer is designed for small and mid size VoIP/SIP providers.
FaxVoip Software
1
Shareware
Fax Voip T.38 Console - T.38 and Audio Fax over VoIP (SIP, H.323).
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.
44
StarTrinity.com
11
Freeware
SIP VoIP Softswitch with billing for VoIP wholesale, GSM termination, IVR, PBX.
76
BreakPoint Software
112
Shareware
SIP Workbench is a graphical protocol analyzer and viewer.
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.
