Yealink SIP-T21 E2 Administrator's Guide

Configuring Basic Features
327
Parameters
Permitted Values
Default
routing calls.
Note: If the account is registered successfully or failed (the account information has been
configured), the emergency calls will be dialed using the following priority: SIP
server>emergency server; if the account is not registered, the emergency server will be
used.
Web User Interface:
None
Phone User Interface:
None
dialplan.emergency.server.X.port
(X ranges from 1 to 3)
Integer from 1 to 65535
5060
Description:
Configures the port of emergency server X to be used for routing calls.
Web User Interface:
None
Phone User Interface:
None
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
followin
g
content

Yealink SIP-T21 E2 Specifications

General

Brand	Yealink
Model	SIP-T21 E2
Category	IP Phone
Language	English