Nortel Networks Remote Gateway 50 - Manual (Page 246)

Page 246 of 258 Appendix A: Media Redirection Scenarios
553-3001-207 Standard 2.00 January 2006
Note 1: The zone table is examined using the commands in LD 117. See
Software Input/Output: Maintenance (553-3001-511) for more
information on these commands.
Note 2: In these scenarios, consult the zone table at the main office for
accurate bandwidth usage information.
Table 17
Scenario 1: Codec switches correctly during media redirection
Event Result
1 An incoming Direct Inward Dial (DID) call to
branch office uses IP Peer to reach the
symposium controller Control Directory
Number (CDN) in the main office.
The external caller hears music and
announcements with a G.729 codec.
Bandwidth usage in the main office indicates
the call is an interzone call.
The external caller is connected to an
Automatic Call Distribution (ACD) agent with a
G.711 codec. Bandwidth usage in the main
office indicates the call is an intrazone call.
The ACD agent is an SRG IP Phone
registered to the main office.
2 The call is released. The zone table indicates the bandwidth usage
for the call is removed correctly on the main
office Call Server and in the branch office.
Table 18
Scenario 2.1: Call transfer from SRG IP Phone in Normal Mode to main office IP Phone
(Part 1 of 2)
Event Result
1 An SRG TDM telephone calls an IP Phone
registered to the main office.
A speech path is established between the
SRG TDM telephone and the IP Phone
registered to the main office. The zone table
indicates intrazone bandwidth usage.