the classic instant messaging service freeware downloads
Linphone
5.0.8 freeware download... enable you to communicate freely with people over the internet, with voice, video, and text instant messaging. Linphone also complies to the SIP protocol, an open standart for internet telephony. ...
Linphone for Mac OS X
5.0.8 freeware download... in touch with others. Linphone is one of the software solutions in this category, relying on the Voice over IP (VoIP) protocol to allow free communication between users. Linphone allows you to customize the call notification sound file and adjust the resolution ...