Abto, LLC
Shareware
VoIP SIP SDK provides a powerful and highly customizable solution.
12
Net2Phone Inc.
769
Freeware
Net2Phone SIP Dialer lets you make phone calls using your computer.
1
SIP Communicator
116
Open source
SIP Communicator - the Java VoIP and Instant Messaging client.
3
igoodsoft
43
Shareware
Super Proxy Helper will help you to check proxy,find anonymous.
63
KaplanSoft
58
Shareware
TekSIP is a SIP Registrar and SIP Proxy for Windows.
1
PCBest Networks
18
Freeware
Robust SIP ActiveX Phone is a powerful and robust SIP ActiveX phone client.
1
ProfInfoTech
15
Freeware
Billion Phone - compact convenient SIP phone software for making voice calls.
15
Linphone
2,560
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.
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.
