Analog Trunks; Analog Trunks Configuration; Table 31: Analog Trunk Configuration Parameters - Grandstream Networks UCM6510 IP PBX User Manual

To set up analog trunk on the UCM6510:

Go to web GUI->PBX->Basic/Call Routes->Analog Trunks to add and edit analog trunks.

Go to web GUI->PBX->Ports Config->Analog Hardware to configure analog hardware settings.

ANALOG TRUNKS CONFIGURATION

Go to web GUI->PBX->Basic/Call Routes->Analog Trunks to add and edit analog trunks.

Click on "Create New Analog Trunk" to add a new analog trunk.

Click on to edit the analog trunk.

Click on to delete the analog trunk.
The analog trunk options are listed in the table below.
Channels
Trunk Name
SLA Mode
Barge Allowed
Hold Access
Advanced Options
Enable Polarity Reversal
Firmware Version 1.0.1.12

ANALOG TRUNKS

Table 31: Analog Trunk Configuration Parameters

Select the channel for the analog trunk.
Specify a unique label to identify the trunk when listed in outbound routes,
inbound routes 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
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