Grandstream UCM6510 User Manual - Manual (Page 125)

Firmware Version 1.0.2.5 UCM6510 IP PBX User Manual Page 124 of 313
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 hangup on a polarity reversal. The
default setting is "Yes".
Echo Cancellation
Specify "ON", "OFF" or a value (the power of 2) from 32 to 1024 as the
number of taps of cancellation.
Note:
When configuring the number of taps, the number 256 is not translated
into 256ms of echo cancellation. Instead, 256 taps means 256/8 = 32 ms.
The default setting is "ON", which is 128 taps.
3-Way Calling
Configure to enable/disable 3-way calling feature on the user. The default
setting is enabled.
Send CallerID After Configure the number of rings before sending CID. Default setting is 1.
Fax Mode
For FXS extension, there are three options available in Fax Mode. The
default setting is “None”.
• None: Disable Fax.
• Fax Detect: Fax signal from the user/trunk during the call can be
detected and the received Fax will be sent to the Email address
configured for this extension. If no Email address can be found for the
user, the Fax will be sent to the default Email address configured in
Fax setting page under web UI->PBX->Internal Options->Fax/T.38.
• Fax Gateway: If selected, the UCM6510 can support conversation
and processing of Fax data from T.30 to T.38 or T.38 to T.30. This
feature is only available for FXS or FXO port.
Table 41: FXS Extension Configuration Parameters - Features
Call Transfer
Call Forward Unconditional
Configure the Call Forward Unconditional target number. If not
configured, the Call Forward Unconditional feature is deactivated. The
default setting is deactivated.
CFU Time Condition
Select time condition for Call Forward Unconditional. CFU takes effect
only during the selected time condition. The available time condition are
“Office Time”, “Out of Office Time”, “Holiday”, “Out of Holiday”, “Out of
Office Time or Holiday” and “Specific”.
Note:
• “Specific” has higher priority to “Office Times” if there is a conflict in
terms of time period.
• Specific time can be configured on the bottom of the extension
configuration dialog. Scroll down the add Time Condition for specific