Table 33: Sip Extension Configuration Parameters - Features - Grandstream Networks UCM6510 User Manual

Enable T.38 UDPTL
SRTP
Fax Mode
Strategy
Codec Preference
Call Transfer
Call Forward Unconditional
CFU Time Condition
Firmware Version 1.0.10.39
The default setting is 60 seconds.
Enable or disable T.38 UDPTL support.
Enable SRTP for the call. The default setting is disabled.
Select 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.
This option controls how the extension can be used on devices within
different types of network.
Allow All
Device in any network can register this extension.
Local Subnet Only
Only the user in specific subnet can register this extension. Up to
three subnet addresses can be specified.
A Specific IP Address
Only the device on the specific IP address can register this extension.
The default setting is "Allow All".
Select audio and video codec for the extension. The available codecs are:
PCMU, PCMA, GSM, AAL2-G.726-32, G,726, G.722, G.729, G.723, ILBC,
ADPCM, H.264, H.263 and H.263p.
Table 33: SIP Extension Configuration Parameters – Features
Configure the Call Forward Unconditional target number. If not
configured, the Call Forward Unconditional feature is deactivated. The
default setting is deactivated.
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
UCM6510 IP PBX User Manual Page 122 of 339