Yealink SIP-T19 E2 T4 Series, Administrator'S Manual

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Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series IP Phones
294
Parameters Permitted Values Default
dialplan.emergency.server.X.transport_type
(X ranges from 1 to 3)
0, 1, 2 or 3 0
Description:
Configures the transport method the IP phone uses to communicate with the emergency
server X.
0
-UDP
1
-TCP
2
-TLS
3
-DNS-NAPTR
Web User Interface:
None
Phone User Interface:
None
dialplan.emergency.X.value
(X ranges from 1 to 255)
number or SIP URI
Refer to the
following
content
Description:
Configures the emergency number to use on your IP phone so a caller can contact
emergency services in the local area when required.
Default
:
When X = 1, the default value is 911;
When X = 2-255, the default value is Blank.
Web User Interface:
None
Phone User Interface:
None
dialplan.emergency.X.server_priority
(X ranges from 1 to 255)
a combination of
digits 1, 2 and 3
1, 2, 3
Description:
Configures the priority for the emergency servers to be used.
The digits are separated by commas. The servers to be used in the order listed (left to right).
The IP phone tries to send the INVITE request to the emergency server with higher priority. If
the emergency server with higher priority does not respond correctly to the INVITE, then the
phone tries to make the call using the emergency server with lower priority, and so forth.