9
3CX System Ltd
30
Freeware
Be connected to all your contacts anyhwere anytime with 3CX VoIP Client.
1
conaito Technologies
22
Freeware
Delivers crystal clear sound even for both low and high-bandwidth users.
VoIP Bookers
Freeware
VoIP Bookers offers you quality voIP and sip calls.
VoiceEmotion
50
Shareware
It is a nice and easy to manipulate software, with many features.
29
Microsoft
301
Freeware
The Microsoft® Silverlight™ SDK contains documentation, and online samples.
44
StarTrinity.com
11
Freeware
SIP VoIP Softswitch with billing for VoIP wholesale, GSM termination, IVR, PBX.
Yasin KAPLAN
7
Freeware
TekPhone is a SIP VoIP Softphone that provides UA agent functions.
83
Peter Quiring
25
Open source
jphonelite is an open source Java SIP VoIP audio and video SoftPhone.
IntuitTech Sdn. Bhd
Freeware
hayibo is the first SIP softphone application written for business users.
6
Telcomo
452
Freeware
Telcomo is a VoIP application that allows you to call world wide.
2
AirBell
11
Freeware
AirBell is a VoIP application which allows you to make PC-to-phone calls.
Telcomo
25
Freeware
A little VoIP application, which helps you to make PC 2 Phone calls.
Bernd Koch, DF3CB
100
Freeware
RemAud is a Voice over IP (VoIP) application for Windows.
www.Reliancefone.com
14
Freeware
RelianceFone is a simple VoIP application for calling.
Abto
Shareware
ABTO VoIP SIP SDK installation includes a number of finished softphone samples.