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

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.

VaxVoIP SIP Desktop SDK provides tools and components to quickly add SIP (Session Initiation Protocol) based webphone, softphone and IVR systems for Desktop OS and Mobile-Phones.

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.

The Mizu WebPhone is a lightweight SIP standard based VoIP web phone software implemented as a java applet that can be run from webpages

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

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.

(1) PXO is the perfect softphone for RTC (2) PXO is very flexible with hundreds of configurable features (3) PXO is ideal for SIP and RTP feature testing (4) PXO supports over 25 speech and audio codecs (5) PXO supports over 8 video codecs

ABTO Software's VoIP SIP SDK allows quick VoIP softphone app development. SIP softphone provides voice, video and IM communication, supports VPN and SRTP connection, and is compatible with most SIP servers.

OfficeSIP Messenger provides enterprises with advanced instant communications for free. Compatible with Office Communications Server 2007, the free softphone delivers reliable performance combined with trouble-free deployment and management.

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.