Unicorn
12
Demo
Smart SIP Phone is useful platform for Smart Dialer.
Ozeki Ltd.
14
Demo
Provides professional technology for VoIP voice calling.
PC Best Networks
Freeware
A Free Windows SIP PBX, with rich and powerful features.
3
AdoreSoftphone
208
Demo
A basic SIP Softphone that allows to connect to VoIP PBX and providers.
6
Budgetsip
16
Freeware
VOIP-based telephony from your computer at cheaper rates.
1
SkySipTel
3
Freeware
A multifunctional client software which ensures high availability of the user.
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.
Foxconn Communication Technology Corp.
1
Commercial
Profile is the interface which provides system setting and Wing app setting.
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.
3
Octro, Inc.
62
Shareware
OctroTalk is an integrated instant messaging application VoIP call, SIP call etc.
Vietnam Datacommunication Company
21
Freeware
VNN-SIP-Fone uses public Internet to establish calls between telephone and PC.