1
ProfInfoTech
15
Freeware
Billion Phone - compact convenient SIP phone software for making voice calls.
2
Heiko Sommerfeldt
905
Freeware
Enables voice connections to landline , cellular network and VoIP.
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.
12
Net2Phone Inc.
770
Freeware
Net2Phone SIP Dialer lets you make phone calls using your computer.
2
MyVoipApp,Inc.
81
Freeware
Myvoipapp Sip Phone is a usefull tolls easy to use.
3
Ecsow Technology
33
Shareware
It is a full-featured outbound dialing system integrated with Skype & SIP.
1
Ecsow Technologies
25
Shareware
A full-featured outbound dialing system integrated with Skype & SIP.
15
Linphone
2,568
Open source
Configure SIP accounts, perform VoIP phone calls or initiate audio conferences.
3telCafe
78
Freeware
A free SIP Softphone which offers PC-to-Phone service.
53
ProfInfoTech
4
Shareware
New generation phone system working in IP-networks using SIP protocol.
2
Avaya
102
Demo
It enables you to make voice and video phone calls using SIP-based standards.
8
PortSIP Solutions, Inc.
221
Shareware
PortGo Professional is a SIP-based phone for Windows desktop.
6
FrankCall-V5.0
1
Freeware
Frankcall provide PC to Phone, Mobile VOIP, Mobile SIP, Mobile Dialer services.
2
Nimbuzz - Call
6
Freeware
Nimbuzz Phone is company's utility SIP caller for windows platform.
