Free softphone sip downloads, showing 11 - 20 of about 50

H.323-SIP-IAX Softphone with video and audio support for Windows Mobile 2003/5.0/6.0. Supports G.711a/u codec for audio and H.261 codec for video.

Express Talk is software that works like a telephone to let you make calls from your PC. With Express Talk you can call anyone on the internet who has installed Express Talk (or any other SIP voip softphone). Calls are free.

SIP Softphone ActiveX - A powerful and highly versatile VoIP SDK. Our SIP Softphone ActiveX provides a powerful and highly versatile solution to add quickly SIP based dial and receive phone calls features in your software applications.

This SIP client software is compatibile with all VoIP service providers. Stay connected with multiple SIP service providers to maximize your revenue.

Video VoIP SIP SDK is a solution to quickly build VoIP softphone that can dial and receive audio and video calls on your computer or add VoIP features into your software or web website.

Fax Voip Softphone - SIP/H.323 software telephone. Call Recording. Playing audio messages into the telephone line. Sending and Receiving T.38 and Audio Faxes. Music on Hold. Call Transfer. Call Forwarding. Phone Book. Log Book. Random Phone Calls.

Express Talk is software that works like a telephone to let you make calls on your Pocket PC. With Express Talk you can call anyone on the internet who has installed Express Talk (or any other SIP voip softphone). Calls are free.

You will rethink the industry standard VOIP benefits by using this featured SIP softphone. SIP is better than you may think! Stay connected with multiple SIP service providers to maximize your revenue.

Express Talk is software that works like a telephone to let you make calls on your Mac OS X. With Express Talk you can call anyone on the internet who has installed Express Talk (or any other SIP voip softphone). Calls are free.

You will rethink the industry standard VOIP benefits by using this featured SIP softphone. SIP is better than you may think! Stay connected with multiple SIP service providers to maximize your revenue.