Microsoft Corporation
8
Freeware
It can be used for creating server-side Session Initiation Protocol (SIP) apps.
25
FaxBack, Inc.
36
Freeware
Enables you to use Microsoft Fax & Scan in conjunction with a VoIP environment.
Konnetic
9
Shareware
Konnetic's Unity SIP .NET SDK povides a fully RFC3261 compliant class library.
Anibal Avelar
25
Freeware
Helps to replace your Microsoft Office Communicator client with Pidgin.
FaxVoip Software
4
Shareware
Enables Microsoft Fax and Windows Fax and Scan to send faxes over SIP or H.323.
BYK-Gardner GmbH
4
Commercial
With auto-chart Software you get Efficient Data Analysis.
63
KaplanSoft
60
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.
E-Soft Billing (Pvt.) Ltd.
2
Demo
SIP Mobile Dialer is designed for small and mid size VoIP/SIP providers.
6
iSunshare
73
Shareware
Recover forgotten password for Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Outl....
2
Anton Raharja
11
Open source
This software enables voice, video and IM sessions based on XMPP, SIP and IAX2.
12
Net2Phone Inc.
770
Freeware
Net2Phone SIP Dialer lets you make phone calls using your computer.
2
Billion Online Technology Ltd.
24
Freeware
BOL SIPPhone is the leading SIP dialer, available for private label and logo.
2
Finarea S.A. Switzerland
239
Freeware
Enter your settings in SIP-device and call at the lowest rates available.
