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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
40
Parameter
sip.listen_port
<y0000000000xx>.cfg
Description
It configures the local SIP port.
Permitted
Values
Integer from 1024 to 65535
Default
5060
Web UI
Settings->SIP->Local SIP Port
Parameter
sip.tls_listen_port
<y0000000000xx>.cfg
Description
It configures the local TLS listen port.
If it is set to 0, the IP phone will not listen the TLS service.
Permitted
Values
Integer from 1024 to 65535
Default
5061
Web UI
Settings->SIP->TLS SIP Port
Internet Port and PC Port
Yealink IP phones support two Ethernet ports: Internet port and PC port. You can enable or disable the PC
port on the IP phones.
Topics
Supported Transmission Methods
Internet Port and PC Port Configuration
Supported Transmission Methods
Three optional methods of transmission configuration for IP phone Internet port and PC port:
Auto-negotiate
Half-duplex (transmit in 10Mbps or 100Mbps)
Full-duplex (transmit in 10Mbps, 100Mbps or 1000Mbps (1000Mbps is only applicable to
T54S/T52S/T48S/T48G/T46S/T46G/T42G/T42S/T40G/T29G/T27G/T23G IP phones))
Auto-negotiate is configured for both Internet and PC ports on the IP phone by default.
Internet Port and PC Port Configuration
The following table lists the parameters you can use to configure Internet port and PC port.

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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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