PC Best Networks
A Free Windows SIP PBX, with rich and powerful features.
Provides you everything you need to facilitate communication around the office.
Connect with your computer and make calls through the iConnectHere VoIP network.
A small application that allows you to make and receive calls with Callcentric.
Net2Phone is software that allows you to make phone calls and send faxes...
American Telemarketing Computers
PC-Dialer-1 - An auto dialing software for Telephony Telemarketing management.
A basic SIP Softphone that allows to connect to VoIP PBX and providers.
A free SIP Softphone which offers PC-to-Phone service.
A sip softphone for making and receiving VoIP calls.
PortSIP Solutions, Inc.
PortGo is the newest SIP softphone from PortSIP, it's built base on PortSIP VoIP.
IntuitTech Sdn. Bhd
hayibo is the first SIP softphone application written for business users.
sipLite softphone is a free softphone which works with SIP protocol.
E-Soft Billing (Pvt.) Ltd.
SIP Mobile Dialer is designed for small and mid size VoIP/SIP providers.
The new AGEphone Desktop 2 is SIP based internet telephony softphone.
PortSIP Sutions, Inc.
Softphone compatible with SIP for voice over IP PBX or international providers.