UCM6200 Series User Manual
Version 1.0.20.38
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 GUI→PBX Settings→SIP
Settings→ToS.
• RFC4733: Send DTMF using RFC4733.
• 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 RFC4733 if offered. Otherwise, inband is used.
Enable Heartbeat
Detection
If enabled, the UCM6200 will regularly send SIP OPTIONS to the trunk to check
connection status. The default setting is "No".
When "Enable Heartbeat Detection" 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 limit.
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
GUI→Call Features→Fax/T.38.
Enable SRTP for the VoIP trunk.
The default setting is "No".
If enabled, it will allow SDP passthrough to Grandstream IPVideoTalk therefore it
will allow calls between the UCM and IPVideoTalk. The default setting is disabled.
If enabled, the local UCM6200 will automatically provide and update the local
LDAP contacts to the remote UCM6200 SIP peer trunk. In order to ensure
successful synchronization, the remote UCM6200 peer also needs to enable this
option on the SIP peer trunk.
The default setting is "No".
This is the password used for LDAP contact file encryption and decryption during
the LDAP sync process. The password must be the same on both UCM6200 peers
to ensure successful synchronization.
Configure the TCP port used LDAP sync feature between two peer UCM6200.