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Chapter 2 – Configuration
18 Multi-Tech Systems, Inc. Avaya Communication Manager Guide
6b. Configure Call Signaling Port. Unlike station (FXS) ports, which require a unique value for each
channel, trunk DID ports require that the same Call Signaling Port value be used on all DID trunk
ports that are registered to the same Communication Manager PBX. Configure this to a unique
value that is not being used by another station (FXS) or trunk (FXO) port on this MultiVOIP unit.
This port value must fall within the range of port values supported by Communication Manager
and should match the “Far-end Listen Port” value configured in the Communication Manager
“Signaling Group” (“Display Signaling Group”) form (dialog box). All DID trunk ports on this
MultiVOIP will use the same Signaling Group for communication with the CM Server.
Note that several other fields in the Communication Manager “Signaling Group” form (dialog box)
must be set to accommodate operation with the MultiVOIP:
Group Type = h.323
Remote Office? = n
RRQ Required? = y
Direct IP-IP Audio Connection? = y
IP Audio Hairpinning? = n
Calls Share IP Sig Connection =y
6c. Configure Gateway Name. This should match the value configured for this MultiVOIP unit in the
Communication Manager “IP Node Names” and “Signaling Group” forms.
6d. Configure Primary Gatekeeper IP Address. This must be configured to match the IP address of the
CLAN or PROCR card in the “IP Node Names” form of the primary Communication Manager
Gatekeeper unit. Do not change the RAS Port and leave the Gatekeeper name field blank.
6e. Configure IP addresses for Alternate Gatekeeper1 and Alternate Gatekeeper 2 (optional). These
must be configured to match the IP address of the respective CLAN or PROCR card in the PBX unit
serving as the Alternate Gatekeeper. This field appears in IP Node Names form of the
Communication Manager software for that PBX. If you are using the MultiVOIP Gatekeeper as an
alternate gatekeeper, enter the IP address of the MultiVOIP. The alternate MultiVOIP gatekeeper
must appear after any Communication Manager alternate gatekeepers.