CHAPTER24 Trunk Groups
Mediant 1000 Gateway & E-SBC | User's Manual
Table 24-1: Trunk Group Table Parameter Descriptions
Parameter Description
'Module'
module
[TrunkGroup_Module]
Defines the telephony interface module for which you want to
define the Trunk Group.
'From Trunk'
first-trunk-id
[TrunkGroup_
FirstTrunkId]
Defines the starting physical Trunk number in the Trunk Group.
The number of listed Trunks depends on the device's hardware
configuration.
Note: The parameter is applicable only to digital interfaces.
'To Trunk'
last-trunk-id
[TrunkGroup_
LastTrunkId]
Defines the ending physical Trunk number in the Trunk Group. The
number of listed Trunks depends on the device's hardware
configuration.
Note: The parameter is applicable only to digital interfaces.
'Channels'
first-b-channel
[TrunkGroup_
FirstBChannel]
last-b-channel
[TrunkGroup_
LastBChannel]
â– Analog: Defines the ports (channels) on the module.
â– Digital: Defines the Trunk's B-channels .
To enable channels, enter the channel numbers.
You can enter a range of channels by using the syntax n-m, where
n represents the lower channel number and m the higher channel
number. For example, "1-4" specifies channels 1 through 4. For
digital interfaces, to represent all the Trunk's B-channels, enter a
single asterisk (*).
Note: For digital interface, the number of defined channels must
not exceed the maximum number of the Trunk’s B-channels.
'Phone Number'
first-phone-number
[TrunkGroup_
FirstPhoneNumber]
Defines the telephone number(s) of the channels.
The valid value can be up to 50 characters.
For a range of channels, enter only the first telephone number.
Subsequent channels are assigned the next consecutive
telephone number. For example, if you enter 400 for channels 1 to
4, then channel 1 is assigned phone number 400, channel 2 is
assigned phone number 401, and so on.
These numbers are also used for channel allocation for IP-to-Tel
calls if the Trunk Group’s ‘Channel Select Mode’ parameter is set
to By Dest Phone Number.
Note:
â– If this field includes alphabetical characters and the phone
number is defined for a range of channels (e.g., 1-4), then the
phone number must end with a number (e.g., 'user1').
â– This field is optional. The logical numbers defined in this field
are used when an incoming Tel call doesn't contain the calling
number or called number (the latter being determined by the
ReplaceEmptyDstWithPortNumber parameter). These
numbers are used to replace them.
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