
11
VoIP Operation Mode: P2P
……
Internet
FXS Gateway
2001
2002
2008
Dial 2002,
Call request is sent to b.com
1. Signaling of Call Setup
2. Media Transportation
Call setup is completed between 2 VoIP clients, without independent server
Signaling are transmitted through the path that is configured in the entry of “Dial
Plan”and “Phone Address Book”.
Public and fixed IP address (or URL) is necessary to each VoIP device.
Not good when the number of VoIP devices is big.
Comentarios a estos manuales