Yealink T40G Administrator's Guide

Phone Provisioning
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You can deploy and maintain a mass of Yealink IP phones automatically through configuration files
stored in a provisioning server.
Note
For protecting against unauthorized access, you can encrypt configuration files. For more information on
encrypting configuration files, refer to Encrypting and Decrypting Files.
Topics
Common CFG File
MAC CFG File
Configuration File Customization
Configuration File Attributes
Common CFG File
Common CFG file, named <y0000000000xx>.cfg, contains parameters that affect the basic operation of
the IP phone, such as language and volume. It will be effective for all IP phones in the same model. The
common CFG file has a fixed name for each phone model.
The following table lists the name of the common CFG file for each IP phone model:
Phone Model
Common CFG file
T54S
y000000000070.cfg
T52S
y000000000074.cfg
T48G
y000000000035.cfg
T48S
y000000000065.cfg
T46G
y000000000028.cfg
T46S
y000000000066.cfg
T42G
y000000000029.cfg
T42S
y000000000067.cfg
T41P
y000000000036.cfg
T41S
y000000000068.cfg
T40P
y000000000054.cfg
T40G
y000000000076.cfg
T29G
y000000000046.cfg
T27P
y000000000045.cfg
T27G
y000000000069.cfg

Yealink T40G Specifications

General

SIP Accounts	3
Wall Mountable	Yes
Opus Codec	No
Display	2.3 inch 132x64-pixel graphical LCD
Network	Dual-port Gigabit Ethernet
PoE	Yes
Headset Support	Yes, RJ9 port
Power Adapter	Optional
Voice Codecs	G.722, G.711(A/μ), G.729AB, G.726
Local Phonebook	1000 entries