User's Manual 518 Document #: LTRT-10632
Mediant 800B Gateway & E-SBC
Table 23-1: 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]
Defines the device's channels/ports (analog module) or Trunk B-
channels (digital module). 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. To represent all the Trunk's B-channels, enter a single asterisk
(*).
Note: 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:
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').
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.
This field is ignored if routing of IP-to-Tel calls is done
according to the Supplementary Services table, where multiple
line extension numbers are configured per port (see
'Configuring Multi-Line Extensions and Supplementary
Services' on page 618
). For this routing method, the 'Channel
Select Mode' must be set to
Select Trunk By Supplementary
Services Table in the Trunk Group Settings table (see
'Configuring Trunk Group Settings' on page
519).
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