Grandstream Networks UCM6102 User Manual page 115

CallerID Name
Codec Preference
Auto Record
DID Mode
DTMF Mode
Enable Qualify
Qualify Timeout
Qualify Frequency
Maximum Number of Call
Lines
Fax Detection
SRTP
Firmware Version 1.0.7.11

If the above two are missing, the "Global Outbound CID" defined in
Web GUI->PBX->Internal Options->General will be used.
Configure the name of the caller to be displayed when the extension has
no CallerID Name configured.
Select audio and video codec for the VoIP trunk. 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, H.263p.
Enable automatic recording for the calls using this trunk. The default
setting is disabled. The recording files can be accessed under web GUI-
>CDR->Recording Files.
Configure where to get the destination ID of an incoming SIP call, from
SIP Request-line or To-header. The default is set to "Request-line".
Configure the default DTMF mode when sending DTMF on this trunk.

Default: The global setting of DTMF mode will be used. The global
setting for DTMF Mode setting is under web UI->PBX->SIP
Settings->ToS.

RFC2833: Send DTMF using RFC2833.

Info: Send DTMF using SIP INFO message.

Inband: Send DTMF using inband audio. This requires 64 bit codec,
i.e., PCMU and PCMA.

Auto: Send DTMF using RFC2833 if offered. Otherwise, inband will
be used.
If enabled, the UCM6100 will regularly send SIP OPTIONS to the device
to check if the device is still online. The default setting is "No".
When "Enable Qualify" option is set to "Yes", configure the timeout (in
ms) for the Qualify SIP message. If no response is received within the
timeout, the device is considered offline. The default setting is 1000ms.
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.
Configure the maximum number of current calls over this trunk at the
same time. The default setting is 0, which means no limit.
Enable to detect Fax signal from the trunk during the call and send the
received Fax to the default Email address in Fax setting page under web
GUI->PBX->Internal Options->Fax/T.38.
Note:
If enabled, Fax Pass-through cannot be used.
Enable SRTP for the VoIP trunk. The default setting is "No".
UCM6100 Series IP PBX User Manual Page 113 of 233