JING JIE UniPBX-2000, Administrative Manual

Page: 88 / 219

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Parameter
Name
Description
Permanent Contact
1 When the contact policy is permanent contact, this is the
defined contact URI and the target interface. The SIP URI is
used for the contact address. For example:
sip:1001@112.25.26.3:5060 or sip:
1030@113.111.222.333:9099.
Permanent Contact
2 When the contact policy is permanent contact, this is the
defined contact URI and the target interface. The SIP URI is
used for the contact address. For example:
sip:1001@112.25.26.3:5060 or sip:
1030@113.111.222.333:9099.
Public TA Public IP address and port for the DMZ server when
Permanent Contact/NAT is selected. The format is IP:Port,
for example, 112.35.23.11:9000.
NAT Traversal The type of NAT traversal. If it is set to "Automatic
Traversal", the system will automatically detect whether
need to use NAT resource or not. If it is set to "Always ON",
NAT resource will always be used. This mode could be
used if you would like to do the call logging or interception.
When it is set to "Always OFF", the system will never use
the NAT resource and it might lead the silence issue.
If you have voice logging license activated, you will see the
"Voice Logging" item here. Select it, every call to or from
this extension will be recorded.
Record on Call will be use when CPE can support
recording on demand feature.
Default Register TTL The default register time (SIP UDP only) to live (expiries) in
seconds for a user coming from public network. The
default value is to use the global setting in SYSTEM-> SIP
Service -> Default Register TTL. If you assign another
value, the system will use it instead.
NAT Register TTL The default register time (SIP UDP only) to live (expiries) in
seconds for a user coming from private network (behind
NAT). The default value is to use the global settings in
SYSTEM-> SIP Service -> Default Register TTL. If you
assign another value, the system will use it instead.
SIP Request
Response Timer The time to wait in seconds for a response when send out a
SIP request. The default value is to use the global settings
in SYSTEM->SIP Timer->SIP Request Response Timer.