Analog Trunks; Analog Trunk Configuration; Table 50: Analog Trunk Configuration Parameters - Grandstream Networks UCM6100 Series User Manual

Go to Web GUIExtension/TrunkAnalog Trunks to add and edit analog trunks.
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Click on "Create New Analog Trunk" to add a new analog trunk.
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Click on to edit the analog trunk.
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Click on to delete the analog trunk.

Analog Trunk Configuration

The analog trunk options are listed in the table below.
Channels
Trunk Name
SLA Mode
Barge Allowed
Hold Access
Advanced Options
Enable Polarity Reversal
Polarity on Answer Delay

ANALOG TRUNKS

Table 50: Analog Trunk Configuration Parameters

Select the channel for the analog trunk.
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UCM6102: 2 channels
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UCM6104: 4 channels
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UCM6108: 8 channels
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UCM6116: 16 channels
Specify a unique label to identify the trunk when listed in outbound rules,
incoming rules and etc.
Enable this option to satisfy two primary use cases, which include
emulating a simple key system and creating shared extensions on a PBX.
Enable SLA Mode will disable polarity reversal.
The barge option specifies whether or not other stations are allowed to join
a call in progress on this trunk. If enabled, the other stations can press the
line button to join the call. The default setting is Yes.
The hold option specifies hold permissions for this trunk. If set to "Open",
any station can place this trunk on hold and any other station is allowed to
retrieve the call. If set to "Private", only the station that places the call on
hold can retrieve the call. The default setting is Yes.
If enabled, a polarity reversal will be marked as received when an outgoing
call is answered by the remote party. For some countries, a polarity
reversal is used for signaling the disconnection of a phone line and the call
will be considered as "hang up" on a polarity reversal. Default is "No".
When FXO port answers the call, FXS may send a Polarity Reversal. If
this interval is shorter than the value of "Polarity on Answer Delay", the
Polarity Reversal will be ignored. Otherwise, the FXO will Onhook to
disconnect the call. The default setting is 600ms.
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