1
Interactive Intelligence
5
Freeware
SIP Proxy - survivable remote site telephony (SRST) during disaster recovery.
Konnetic
9
Shareware
Konnetic's Unity SIP .NET SDK povides a fully RFC3261 compliant class library.
3
Duxoft Lite
130
Freeware
It is a SIP-based softphone, can be used to make or receive calls.
84
One4000
2
Freeware
VoIP and an interface to the One4000 callback system for ordinary calls.
Welltech Computer Co.
7
Freeware
Welltech SP365 is a soft-phone designed for VOIP service provider.
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.
11
Reohix
2
Freeware
RootReg can register and un-register files in your system.
Pharfruminsain
106
Freeware
RegisterDLL can register or un-register a DLL or OCX file on your machine.
IRIS Software Group Ltd
12
Demo
PC Share Register Plus is a combined register of company statutory records.
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.
