Vietnam Datacommunication Company
VNN-SIP-Fone uses public Internet to establish calls between telephone and PC.
SIP Proxy - survivable remote site telephony (SRST) during disaster recovery.
Smart SIP Phone is useful platform for Smart Dialer.
SipLink is an alone application to work with 3rd party VoIP systems.
SIP Workbench is a graphical protocol analyzer and viewer.
It can be used for creating server-side Session Initiation Protocol (SIP) apps.
It is a program that allows you to call with your ippi account.
Voipian allows you to call in many countries for 1 cent per call.
It allows you to make international calls directly from your desktop computer.
Places call from the desktop to worldwide phone lines.
OCEAN TECHNOLOGY LIMITED
OTELNP is a free to use app that allows you to make cheap calls.
TekSIP is a SIP Registrar and SIP Proxy for Windows.
Robust SIP ActiveX Phone is a powerful and robust SIP ActiveX phone client.
E-Soft Billing (Pvt.) Ltd.
SIP Mobile Dialer is designed for small and mid size VoIP/SIP providers.
This software enables voice, video and IM sessions based on XMPP, SIP and IAX2.
Billion Online Technology Ltd.
BOL SIPPhone is the leading SIP dialer, available for private label and logo.
Finarea S.A. Switzerland
Enter your settings in SIP-device and call at the lowest rates available.
OctroTalk is an integrated instant messaging application VoIP call, SIP call etc.
A basic SIP Softphone that allows to connect to VoIP PBX and providers.
The new AGEphone Desktop 2 is SIP based internet telephony softphone.
Configure SIP accounts, perform VoIP phone calls or initiate audio conferences.