Yealink SIP-T31G Administrator's Guide

Account Settings
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Account Settings
This chapter shows you how to register accounts and configure account settings on Yealink devices.
Topics
Account Registration
Outbound Proxy in Dialog
Server Redundancy
SIP Server Name Resolution
Static DNS Cache
Logon Wizard
Multiple Line Keys per Account
Account Registration
Registering an account makes it easier for the phones to receive an incoming call or dial an outgoing call. Yealink
phone supports registering multiple accounts on a phone (T30P/T30/T19(P) E2 phones only support registering
one SIP account; CP920 phones support one SIP/cloud account or two PSTN accounts); each account requires an
extension or phone number.
Topics
Supported Accounts
SIP Accounts Registration Configuration
PSTN Account Configuration
Registration Settings Configuration
Supported Accounts
The number of registered accounts must meet the following:
Phone Model Accounts
T57W/T54W/T48U/T48S/T48G/T46U/T46S/T46G/T29G <=16
T53W/T53/T43U/T42U/T42S/T42G <=12
T41P/T41S/T27G <=6
T33P/T33G <=4
T40P/T40G/T23P/T23G <=3
T31P/T31G/T31/T21(P) E2 <=2
T30P/T30/T19(P) E2 1
CP920
1 (SIP/Cloud account)
<=2 (PSTN account)
SIP Accounts Registration Configuration
The following table lists the parameters you can use to register SIP accounts.
Parameter
account.X.enable
[1]
<MAC>.cfg
Description
It defines the activation status of the account.
Permitted
Values
0-Disabled
1-Enabled

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