Abto, LLC
Shareware
VoIP SIP SDK provides a powerful and highly customizable solution.
1
SIP Communicator
116
Open source
SIP Communicator - the Java VoIP and Instant Messaging client.
2
Nimbuzz - Call
6
Freeware
Nimbuzz Phone is company's utility SIP caller for windows platform.
1
Global IP Telecommunications
660
Freeware
PC Phone is a Voice over IP network software application.
7
MobTime Inc.
1,729
Supports most phones of Siemens, SonyEricsson, Nokia, Motorola, and Samsung.
8
PortSIP Solutions, Inc.
221
Shareware
PortGo Professional is a SIP-based phone for Windows desktop.
270
Paltalk
5,311
Freeware
Chat face-to-face with up to 10 friends on any PC, browser, phone or tablet.
1
ProfInfoTech
15
Freeware
Billion Phone - compact convenient SIP phone software for making voice calls.
12
Net2Phone Inc.
769
Freeware
Net2Phone SIP Dialer lets you make phone calls using your computer.
15
Linphone
2,563
Open source
Configure SIP accounts, perform VoIP phone calls or initiate audio conferences.
2
MyVoipApp,Inc.
81
Freeware
Myvoipapp Sip Phone is a usefull tolls easy to use.
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.
6
FrankCall-V5.0
1
Freeware
Frankcall provide PC to Phone, Mobile VOIP, Mobile SIP, Mobile Dialer services.
