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Yealink SIP-T31G Administrator's Guide

Yealink SIP-T31G
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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

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Yealink SIP-T31G Specifications

General IconGeneral
Mounting kitYes
Number of handles included1 pc(s)
Display diagonal2.3 \
Display resolution132 x 64 pixels
Operating temperature (T-T)-10 - 50 °C
Operating relative humidity (H-H)10 - 95 %
Voice codecsG.722, G.729, AGC, G.729A, AJB, PLC, G.711Mu, VAD, G.711a, G.723.1, G.726, iLBC, CNG, OPUS
AC adapter input voltage100 - 240 V
AC adapter output current0.6 A
AC adapter output voltage5 V
Power consumption (typical)3 W
Lines quantity2 lines
Phonebook capacity1000 entries
Number of VoIP accounts2
Sustainability certificatesRoHS, REACH
Networking standardsIEEE 802.3af, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1x
Ethernet LAN data rates10, 100, 1000 Mbit/s
Ethernet LAN interface typeGigabit Ethernet
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorGray
Harmonized System (HS) code85171800
Weight and Dimensions IconWeight and Dimensions
Depth189 mm
Width188 mm
Height162 mm
Package depth210 mm
Package width213 mm
Package height103 mm

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