Extreme Networks Policy Manager Instrukcja Użytkownika Strona 46

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© 2005 Extreme Networks, Inc. All Rights Reserved
Supporting VoIP Service
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1. An E-LAN connection is established between WAN routers to build an IP WAN
2. An E-LAN connection is established between the DSLAMs/CPEs and the IP PoP in each metro
3. Caller contacts the SIP Proxy server in order to find the IP address of the called party
4. Caller establishes session with the called party through E-LAN connection
E-LAN
IP WAN
Location Server
SIP Proxy
Server
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Subscribers
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