Nortel DMS 100 Series Maintenance Manual page 104

4-14 RSC-M Signaling and Communications
3. Terminating exchange to AMC After the terminating exchange receives
4. Terminating exchange to originating exchange After the last DTMF digit
5. AMC to terminating exchange When the subscriber answers the call, the
6. Terminating exchange to originating exchange When the terminating
7. Originating exchange to AMC When the originating exchange receives an
297-8223-550 Standard 04.02 November 2000
terminating exchange. Digits analysis can define the number length, in
which event the T3 timer is stops. In the event of a number length that is
not known, the expiration of the T3 timer indicates the last digit. After the
originating exchange sends an IFAM message, the T7 timer starts.
the IFAM, the exchange sends a seizure signal to the AMC node. DTMF
digits are outpulsed immediately because delay dial is not required.
is outpulsed, the terminating exchange an ACM message to the
originating exchange. Speech conditions are setup. When the originating
exchange receives an ACM message the T7 timer stops and the T9 timer
starts. This action sets up speech conditions.
AMC node sends a call established signal to the terminating exchange.
exchange receives a call established signal, the exchange sends an ANM
message to the originating exchange.
ANM message, the exchange stops the T9 and T1 timers. The originating
exchange sends a call established signal to the AMC node.