Grandstream UCM6510 User Manual - Manual (Page 165)

Firmware Version 1.0.2.5 UCM6510 IP PBX User Manual Page 164 of 313
NAT
Turn on this setting when the PBX is using public IP and communicating
with devices behind NAT. If there is one-way audio issue, usually it is
related to NAT configuration or SIP/RTP port support on the firewall.
Disable This Trunk
If checked, the trunk will be disabled.
Note:
If a current SIP trunk is disabled, UCM6510 will send UNREGISTER
message (REGISTER message with expires=0) to the SIP provider.
TEL URI
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.
Need Registration
Select whether the trunk needs to register on the external server or not
when "Register SIP Trunk" type is selected. The default setting is No.
Username
Enter the username to register to the trunk from the provider when
"Register SIP Trunk" type is selected.
Password
Enter the password to register to the trunk from the provider when
"Register SIP Trunk" is selected.
Auth ID Enter the Authentication ID for "Register SIP Trunk" type.
Auto Record
Enable automatic recording for the calls using this trunk (for SIP trunk
only). The default setting is disabled. The recording files can be accessed
under web GUI->CDR->Recording Files.
Table 57: SIP Register 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
• TLS Only
• All - UDP Primary: UDP is the primary transport protocol when all the
other SIP transport methods are available too.
• All - TCP Primary: TCP is the primary transport protocol when all the