[img]http://planet.com.vn/home/sanpham/IPTelephony/ITPS/SIP-50mh.gif[/img]

Internet telephony refers to communications services—voice, facsimile, and/or voice-messaging applications—that are transported via the Internet, rather than the public switched telephone network (PSTN). The basic steps involved in originating an Internet telephone call are conversion of the analog voice signal to digital format and compression/translation of the signal into Internet protocol (IP) packets for transmission over the Internet; the process is reversed at the receiving end.

The Future of Telephony system!

hello!:D

IP telephony system.

Hi'

222222

Some URLs to start with :)

Welcome!

Be ready to find the exciting things around the telephony that you may not think of :)
Let's get it started by reading through this article
http://communication.howstuffworks.com/ip-telephony.htm

If you get bored reading, please install this software and play around with it.
http://www.nch.com.au/talk/talksetup.exe

Enjoy your re-search ^_-