Grandstream UCM6510 User Manual - Manual (Page 168)

Firmware Version 1.0.2.5 UCM6510 IP PBX User Manual Page 167 of 313
for the Qualify SIP message. If no response is received within the timeout,
the device is considered offline. The default setting is 1000ms.
Qualify Frequency
When "Enable Qualify" option is set to "Yes", configure the interval (in
seconds) of the SIP OPTIONS message sent to the device to check if the
device is still online. The default setting is 60 seconds.
Maximum Number of Call Lines
The maximum number of concurrent calls using the trunk. The default
settings 0, which means no limite.
Fax Mode
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.
SRTP Enable SRTP for the VoIP trunk. The default setting is "No".
CC Settings
Enable CC
If enabled, the system will automatically alert the user when a called party
is available, given that a previous call to that party failed for some reason.
CC Max Agents
Configure the maximum number of CCSS agents which may be allocated
for this channel. In other words, this number serves as the maximum
number of CC requests this channel is allowed to make. The minimum
value is 1.
CC Max Monitors
Configure the maximum number of monitor structures which may be
created for this device. In other words, this number tells how many callers
may request CC services for a specific device at one time. The minimum
value is 1.
Table 58: SIP Peer Trunk Configuration Parameters
Basic Settings
Provider Name
Configure a unique label to identify this trunk when listed in outbound
rules, inbound rules and etc.
Host Name
Configure the IP address or URL for the VoIP provider’s server of the
trunk.
Transport
Configure the SIP transport protocol to be used in this trunk. The default
setting is "All - UDP Primary".
• UDP Only
• TCP Only