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Yealink T40G Administrator's Guide

Yealink T40G
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Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series IP Phones
212
Permitted
Values
Integer from 0 to 1800
Default
30
Web UI
Account->Advanced->SIP Registration Retry Timer (0~1800s)
Parameter
account.X.reg_failed_retry_min_time
[1]
<MAC>.cfg
Description
It configures the base time to wait (in seconds) for the IP phone to retry to re-register
account X when registration fails.
Note: It is used in conjunction with the parameter
"account.X.reg_failed_retry_max_time" to determine how long to wait. The algorithm is
defined in RFC 5626. We recommend you to set this value to an integer between 10 to
120, if needed. If the values of this parameter and the parameter
"account.X.reg_failed_retry_max_time" are set to 0, the interval configured by
"account.X.reg_fail_retry_interval" will be used.
Permitted
Values
Integer greater than or equal to 0
Default
0
Parameter
account.X.reg_failed_retry_max_time
[1]
<MAC>.cfg
Description
It configures the maximum time to wait (in seconds) for the IP phone to retry to
re-register account X when registration fails.
Note: It is used in conjunction with the parameter
"account.X.reg_failed_retry_min_time" to determine how long to wait. The algorithm is
defined in RFC 5626. We recommend you to set this value to an integer between 60 to
1800, if needed. If the values of this parameter and the parameter
"account.X.reg_failed_retry_min_time" are set to 0, the interval configured by
"account.X.reg_fail_retry_interval" will be used.
Permitted
Values
Integer greater than or equal to 0
Default
60
[1]
X is the account ID. For T54S/T48S/T48G/T46S/T46G/T29G, X=1-16; for T52S/T42G/T42S, X=1-12; for
T41P/T41S/T27P/T27G, X=1-6; for T40P/T40G/T23P/T23G, X=1-3; for T21(P) E2, X=1-2; for T19(P) E2, X=1.
Registration Settings Configuration
The following table lists the parameters you can use to change the registration settings.
Parameter
account.X.enable_user_equal_phone
[1]
<MAC>.cfg
Description
It enables or disables the IP phone to add “user=phone” to the SIP header of the
INVITE message.

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Yealink T40G Specifications

General IconGeneral
SIP Accounts3
Wall MountableYes
Opus CodecNo
Display2.3 inch 132x64-pixel graphical LCD
NetworkDual-port Gigabit Ethernet
PoEYes
Headset SupportYes, RJ9 port
Power AdapterOptional
Voice CodecsG.722, G.711(A/μ), G.729AB, G.726
Local Phonebook1000 entries

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