Chapter 2 - Configuration
Multi-Tech Systems, Inc. Avaya Communication Manager Guide 29
9c. Gatekeeper Survivability dialing example #3: Incoming Central Office call to station 6011. In this
case, the Autocall feature has been enabled in the Voice/Fax screen of the MultiVOIP for the FXO
trunk channels. The Autocall Phone Number field has been set to 6011.
A call from the Central Office line rings in to the MultiVOIP’s FXO trunk.
The MultiVOIP goes off hook on its FXO tip/ring loop-start interface.
The MultiVOIP automatically place a call to 6011 which has been enabled for autocall in the
Voice/Fax screen for the FXO channel.
The MultiVOIP gatekeeper searches the Outbound Phone book for a match to 6011. There is no
match.
The MultiVOIP gatekeeper searches the Phones fields of the Predefined Endpoints and finds a
match for 6011.
The MultiVOIP gatekeeper routes the call to the FXS station port registered with the phone number
6011. When 6011 answers, the call is completed.
Note: If Autocall was not enabled for the FXO port, the incoming caller would have been presented
with survivable dial tone from the MultiVOIP gateway. At this point they could manually dial a
phone number to complete the call.
9d. Gatekeeper survivability dialing example number 4: Incoming central office DID call to IP phone
2110. The central office DID line seizes the MultiVOIP DID trunk and dials 2110.
The MultiVOIP gatekeeper searches the Outbound phone book for a match to 2110. There is no
match.
The MultiVOIP gatekeeper searches the Phones fields of the predefined Endpoints and finds a
match for 2110.
The MultiVOIP gatekeeper routes the call to the IP phone registered with the phone number 2110. When IP
phone 2110 answers, the call is completed.