9
3CX System Ltd
30
Freeware
Be connected to all your contacts anyhwere anytime with 3CX VoIP Client.
41
StarTrinity
180
Freeware
You can test VoIP network, SIP software or hardware.
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.
2
Anton Raharja
11
Open source
This software enables voice, video and IM sessions based on XMPP, SIP and IAX2.
63
KaplanSoft
60
Shareware
TekSIP is a SIP Registrar and SIP Proxy for Windows.
E-Soft Billing (Pvt.) Ltd.
2
Demo
SIP Mobile Dialer is designed for small and mid size VoIP/SIP providers.
44
StarTrinity.com
11
Freeware
SIP VoIP Softswitch with billing for VoIP wholesale, GSM termination, IVR, PBX.
FaxVoip Software
1
Shareware
Fax Voip T.38 Console - T.38 and Audio Fax over VoIP (SIP, H.323).
VaxSoft
195
Demo
VaxVoIP SIP (software development toolkit) is a complete development toolkit.
3
Octro, Inc.
62
Shareware
OctroTalk is an integrated instant messaging application VoIP call, SIP call etc.
3
AdoreSoftphone
208
Demo
A basic SIP Softphone that allows to connect to VoIP PBX and providers.
15
Linphone
2,606
Open source
Configure SIP accounts, perform VoIP phone calls or initiate audio conferences.
ZeeVoice
17
Freeware
A sip softphone for making and receiving VoIP calls.
Yasin KAPLAN
7
Freeware
TekPhone is a SIP VoIP Softphone that provides UA agent functions.