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T1 Phonebook Configuration MultiVOIP User Guide
318
Site D calling Site F
A voip call from Pierre PBX to extension 7424 on the key telephone system in Lincoln,
Nebraska.
A. The required entry in the Pierre Outbound Phonebook to facilitate origination of
the call, would be 1402263742. The call would be directed to the Lincoln voip’s IP
address, 200.2.9.5.
(Generally on such a call, the caller would have to dial an initial “9.” But typically
the PBX would not pass the initial “9” to the voip. If the PBX did pass along that “9”
however, its removal would have to be specified in the local Outbound Phonebook.)
B. The corresponding entry in the Lincoln Inbound Phonebook to facilitate
completion of the call would be
1402263742 for calls within the office at Lincoln
1402 for calls to the Lincoln local calling area (PSTN).
Call Event Sequence
1. Caller at Pierre dials 914022637424.
2. Pierre PBX removes “9” and passes 14022637424 to voip.
3. Pierre voip passes remaining string, 14022637424 on to the Lincoln voip
at IP address 200.2.9.5.
4. The dialed string matches an inbound phonebook entry at the Lincoln
voip, namely 1402263742.
5. The Lincoln voip rings one of the three FXS ports connected to the
Lincoln
key phone system.
6. The call will be routed to extension 7424 either by a human receptionist/
operator or to an auto-attendant (which allows the caller to specify the
extension to which they wish to be connected).