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.
3
igoodsoft
43
Shareware
Super Proxy Helper will help you to check proxy,find anonymous.
1
Global IP Telecommunications
660
Freeware
PC Phone is a Voice over IP network software application.
63
KaplanSoft
58
Shareware
TekSIP is a SIP Registrar and SIP Proxy for Windows.
8
PortSIP Solutions, Inc.
221
Shareware
PortGo Professional is a SIP-based phone for Windows desktop.
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
2,566
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.
Unicorn
12
Demo
Smart SIP Phone is useful platform for Smart Dialer.
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.
