IP Telephony replaces standard public switched telephone networks, using the Internet to send audio between two or more users in real time, allowing users to communicate via an IP telephone. Replacing
conventional circuit switched technology with a more cost effective and efficient packet-based architecture, IP Telephony transmits data, voice, and video over a single network infrastructure.
conventional circuit switched technology with a more cost effective and efficient packet-based architecture, IP Telephony transmits data, voice, and video over a single network infrastructure.
Download Here:
http://rapidshare.com/files/254224283/CISCO_IP_Telephony.rar
No hay comentarios:
Publicar un comentario