Yealink T21PE2 - Page 282

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Note: It works only if “dialplan.emergency.enable” is set to 1 (Enabled) and “dialplan.emergency.asserted_
id_source” is not set to HELD.
Permitted
Values
0-UDP
1-TCP
2-TLS
3-DNS-NAPTR
Default 0
Parameter
dialplan.emergency.X.value
[2]
<y0000000000xx>.cfg
Description
It configures the emergency number to use on your IP phone so a caller can contact emergency services
in the local area when required.
Note: It works only if “dialplan.emergency.enable” is set to 1 (Enabled) and “dialplan.emergency.asserted_
id_source” is not set to HELD.
Permitted
Values
Number or SIP URI
Default
When X = 1, the default value is 911;
When X = 2-255, the default value is Blank.
Parameter
dialplan.emergency.X.server_priority
[2]
<y0000000000xx>.cfg
Description
It configures the priority of which the emergency servers to be used first.
Multiple values are separated by commas. The servers to be used in the order listed (left to right).
The IP phone tries to make emergency calls using the emergency server with higher priority, and then
with lower priority. The IP phone tries to send the INVITE request to each emergency server three times.
Note: If the account information has been configured (no matter whether the account registration suc-
ceeds or fails), the emergency calls will be dialed using the following priority: SIP server>emergency
server; if not, the emergency server will be used. It works only if “dialplan.emergency.enable” is set to 1
(Enabled). and “dialplan.emergency.asserted_id_source” is not set to HELD.
Permitted
Values
a combination of digits 1, 2 and 3
Default 1, 2, 3
Parameter dialplan.emergency.held.server_url <y0000000000xx>.cfg
Description
It configures the Location Information Server URL for the IP phone to send HELD location request.
Note: It works only if “dialplan.emergency.enable” is set to 1 (Enabled) and “dialplan.emergency.asserted_
id_source” is set to HELD.
Permitted
Values
String
Default Blank
Parameter dialplan.emergency.held.request_type <y0000000000xx>.cfg
Description
It configures the type of the location request message.
Note: It works only if “dialplan.emergency.enable” is set to 1 (Enabled) and “dialplan.emergency.asserted_
id_source” is set to HELD.
Permitted
SIMPLE or REDSKY