Microsoft Corporation
8
Freeware
It can be used for creating server-side Session Initiation Protocol (SIP) apps.
8
Microsoft Corporation
1,361
Commercial
Need IM in the office but cant use Windows Messenger? get Office own IM!
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.
Anibal Avelar
32
Open source
You can help to translate SIPE to your native language at Transifex.
FaxVoip Software
4
Shareware
Enables Microsoft Fax and Windows Fax and Scan to send faxes over SIP or H.323.
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.
E-Soft Billing (Pvt.) Ltd.
2
Demo
SIP Mobile Dialer is designed for small and mid size VoIP/SIP providers.
6
iSunshare
72
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.
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.
3
Octro, Inc.
62
Shareware
OctroTalk is an integrated instant messaging application VoIP call, SIP call etc.
3
AdoreSoftphone
208
Demo
A basic SIP Softphone that allows to connect to VoIP PBX and providers.
