Yealink SIP-T31G Administrator's Guide

Administrator’s Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
371
T31P/T31G/T31/T21(P) E2: Integer from 1 to 2;
T30P/T30/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:1234567890@abc.com > ).
SIP URI - for example, sip:1234567890123@abc.com. 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:1234567890123@emergency.com > ).
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
3-DNS-NAPTR
Default
0
Parameter
dialplan.emergency.X.value
[2]
<y0000000000xx>.cfg

Yealink SIP-T31G Specifications

General

Mounting kit	Yes
Number of handles included	1 pc(s)
Display diagonal	2.3 \
Display resolution	132 x 64 pixels
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Voice codecs	G.722, G.729, AGC, G.729A, AJB, PLC, G.711Mu, VAD, G.711a, G.723.1, G.726, iLBC, CNG, OPUS
AC adapter input voltage	100 - 240 V
AC adapter output current	0.6 A
AC adapter output voltage	5 V
Power consumption (typical)	3 W
Lines quantity	2 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	2
Sustainability certificates	RoHS, REACH
Networking standards	IEEE 802.3af, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1x
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Gray
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	189 mm
Width	188 mm
Height	162 mm
Package depth	210 mm
Package width	213 mm
Package height	103 mm