1
ProfInfoTech
15
Freeware
Billion Phone - compact convenient SIP phone software for making voice calls.
2
Heiko Sommerfeldt
907
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.
29
Microsoft
301
Freeware
The Microsoft® Silverlight™ SDK contains documentation, and online samples.
13
Microsoft
150
Freeware
Add-on and pre-requisite files for Visual Studio 2010.
Jaroslaw Kowalski
12
Freeware
NLog is a free logging platform for .NET, Silverlight and Windows Phone.
2
MyVoipApp,Inc.
81
Freeware
Myvoipapp Sip Phone is a usefull tolls easy to use.
14
Golden Hills Software, Inc.
56
Shareware
The easy way to conduct surveys and exams, on the Web, the phone, or in person.
12
Net2Phone Inc.
770
Freeware
Net2Phone SIP Dialer lets you make phone calls using your computer.
15
Linphone
2,606
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
103
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.
