UCM630X Series User Manual
Version 1.0.11.10
Turn on this option when the PBX is using public IP and communicating with
devices behind NAT. If there is a one-way audio issue, usually it is related to NAT
configuration or SIP/RTP port configuration on the firewall.
If selected, the trunk will be disabled.
Note: If a current SIP trunk is disabled, UCM will send UNREGISTER message
(REGISTER message with expires=0) to the SIP provider.
If the trunk has an assigned PSTN telephone number, this field should be set to
"User=Phone". Then a "User=Phone" parameter will be attached to the Request-
Line and TO header in the SIP request to indicate the E.164 number. If set to
"Enable", "Tel:" will be used instead of "SIP:" in the SIP request. The default setting
is disabled.
Configure the Caller ID. This is the number that the trunk will try to use when
making outbound calls. For some providers, it might not be possible to set the
CallerID with this option and this option will be ignored.
Important Note: When making outgoing calls, the following priority order rule will
be used to determine which CallerID will be set before sending out the call:
• CID from inbound call (Keep Original CID Enabled) → Trunk
Username/CallerID (Keep Trunk CID Enabled) → DOD → Extension CallerID
Number → Trunk Username/CallerID (Keep Trunk CID Disabled) → Global
Outbound CID.
Configure the name of the caller to be displayed when the extension has no
CallerID Name configured.
Configure the SIP transport protocol to be used in this trunk. The default setting is
"UDP".
• UDP
• TCP
• TLS
If enabled, the RemoteConnect related parameters will be set synchronously.
Please make the trunk host is allocated by GDMS or it supports TLS.
Allows external numbers the option to get directed to the extension that last called
them.
For Example, User 2002 has dialed external number 061234575 but they were not
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