MP-1xx
MP-1xx 36 Document #: LTRT-61406
8 MP-1xx IP<->PBX Test Example
Analog Line Interconnect via the IP Network
Figure 8-1 shows AudioCodes’ MP-104/FXO mediating between the PBX/PSTN world and the IP
network.
A is an enterprise user in Europe with its own PBX and AudioCodes’ MP-104/FXO
connected to analog lines.
B is a SOHO (Small Office, Home Office) user in the USA, without a
PBX, but with AudioCodes’ MP-104/FXS connected to the phones.
A calling B scenario (Automatic dialing set in the ini file)
1. User A offhooks the phone, hears the enterprise PBX’s dial tone, and dials user B’s phone
number 4133; the call is routed to the analog line connected to the MP-104/FXO which routes
it to the MP-104/FXS that maps it to the phone of user
B.
B calling A scenario (One-stage dialing set in the ini file)
1. User B offhooks the phone, hears the MP-104/FXS device’s dial tone, and dials 4247.
2. The MP-104/FXS device routes the call to the MP-104/FXO which dials it to the enterprise’s
PBX, which routes it to user A’s extension.
Figure 8-1: MP-104 IP<->PBX Test Example
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