Yealink T40G Administrator's Guide

Phone Customization
181
10-Call Park
11-DTMF
12-Voice Mail
13-Speed Dial
14-Intercom
25-Record
27-XML Browser
34-Hot Desking
35-URL Record
50-Phone Lock
56-Retrieve Park
61-Directory
66-Paging List
73-Custom Key (only available when
“features.enhanced_dss_keys.enable=1”)
77-Mobile Account (only available to
T52S/T54S IP phones when the
Bluetooth-Enabled mobile phone is
connected)
Note: The permitted values are configurable by “expkey.type_range.custom”.
Default
Y = 1-40 or 1-60, default: 0 – NA
Y=1 or 21, default: 37 – Switch, only for T29G/T27P/T27G
Y=2-20, 22-40, default: 0 – NA, only for T29G/T27P/T27G
Web UI
Dsskey->Ext Key->Type
Parameter
expansion_module.X.key.Y.line
[1]
<y0000000000xx>.cfg
Description
It configures the desired line to apply the ext key feature.
Note: It is only applicable to T54S/T52S/T48S/T48G/T46S/T46G/T29G/T27P/T27G IP
phones.
Permitted
Values
T48G/T48S/T54S/T46G/T46S/T29G: 1-16;
T52S/T42S/T42G: 1-12;
T41S/T41P/T27P/T27G: 1-6;
T40P/T40G/T23P/T23G: 1-3;
T21(P) E2: 1-2.
Default
1
Web UI
Dsskey->Ext Key->Line
Parameter
expansion_module.X.key.Y.value
[1]
<y0000000000xx>.cfg
Description
It configures the value for some ext key features.
Note: You do not need to configure this parameter when “linekey.X.type” is set to 4, 5,
7, 8, 18, 20, 22, 25, 34, 37, 38, 39, 41, 42, 45, 50, 61 or 66. It is only applicable to
T54S/T52S/T48S/T48G/T46S/T46G/T29G/T27P/T27G IP phones.
Permitted
Values
String within 99 characters
Default
Blank
Web UI
Dsskey->Ext Key->Value

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