Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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Values
T53W/T53/T43U/T42U/T42S/T42G: Integer from 1 to 12;
T41P/T41S/T27G: Integer from 1 to 6;
T40P/T40G/T23P/T23G: Integer from 1 to 3;
T21(P) E2: Integer from 1 to 2;
T19(P) E2/CP920: 1.
Default
1
Parameter dialplan.emergency.custom_asserted_id
<y0000000000xx>.cfg
Description
It configures the custom outbound identity when placing an emergency call.
Note: It works only if “dialplan.emergency.enable” is set to 1 (Enabled) and “dial-
plan.emergency.asserted_id_source” is not set to HELD.
Permitted
Values
A number with 10 to 25 digits - for example, 1234567890. The SIP URI constructed from the number
and SIP server (for example, abc.com) is included in the P-Asserted-Identity (PAI) header (for
example, <sip:[email protected] > ).
SIP URI - for example, sip:[email protected]. The full URI is included in the P-Asserted-Iden-
tity (PAI) header and the address will be replaced by the emergency server (for example,
<sip:[email protected] > ).
TEL URI - for example, tel:+16045558000. The full URI is included in the P-Asserted-Identity (PAI)
header (for example, <tel:+16045558000 > ).
Default
Blank
Parameter dialplan.emergency.server.X.address
[1]
<y0000000000xx>.cfg
Description
It configures the IP address or domain name of the emergency server X to be used for routing calls.
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
IP address or domain name
Default
Blank
Parameter dialplan.emergency.server.X.port
[1]
<y0000000000xx>.cfg
Description
It configures the port of emergency server X to be used for routing calls.
Note: It works only if “dialplan.emergency.enable” is set to 1 (Enabled) and “dial-
plan.emergency.asserted_id_source” is not set to HELD.
Permitted
Values
Integer from 0 to 65535
Default
5060
Parameter dialplan.emergency.server.X.transport_type
[1]
<y0000000000xx>.cfg
Description
It configures the transport protocol the phones use to communicate with the emergency server X.
Note: It works only if “dialplan.emergency.enable” is set to 1 (Enabled) and “dial-
plan.emergency.asserted_id_source” is not set to HELD.
Permitted
Values
0-UDP
1-TCP
2-TLS
