UCM6100 Series User Manual
Version 1.0.18.13
• 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 is used.
Enable Heartbeat
Detection
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 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, the local UCM6100 will automatically provide and update the local
LDAP contacts to the remote UCM6100 SIP peer trunk. In order to ensure
successful synchronization, the remote UCM6100 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 UCM6100 peers
to ensure successful synchronization.
Configure the TCP port used LDAP sync feature between two peer UCM6100.
Specify an outbound rule for LDAP sync feature. The UCM6100 will automatically
modify the remote contacts by adding prefix parsed from this rule.
Specify the prefix for LDAP sync feature. The UCM6100 will automatically modify
the remote contacts by adding this prefix.
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.