Yealink T40G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series IP Phones
502
Variable Value
Phone Action
AlwaysFwdOff/BusyFwdOff/NoAnswF
wdOff
Deactivate the always/busy/no answer forward
feature for the IP phone.
Note: For Yealink IP phones, it works only if
“ features.fwd.allow ” is set to 1 (Enabled) and
call forward mode is Phone, the
always/busy/no answer forward feature will
apply to all the accounts on the phone.
Example:
http://10.10.20.10/servlet?key=NoAnswFwdOff
CALLEND/CallEnd
End a call.
ASW/CANCEL/HOLD/UNHOLD:xxx
Answer/end/hold/unhold a call (xxx refers to
the call-id of the active call).
Example:
http://10.10.20.10/servlet?key=ASW:33093
Note: To get the call-id of the active call,
configure the action URL:
http(s)://<phoneIPAddress>/help.xml?CallId=$
call_id . For more information, refer to Action
URL.
Action URI Configuration
The following table lists the parameters you can use to configure action URL.
Parameter
features.action_uri.enable
<y0000000000xx>.cfg
Description
It enables or disables the IP phone to receive the action URI requests.
Permitted
Values
0-Disabled
1-Enabled
Default
1
Parameter
features.show_action_uri_option
<y0000000000xx>.cfg
Description
It enables or disables the phone to pop up the Allow Remote Control prompt.
Note: It works only if “features.action_uri.enable” is set to 1 (Enabled).
Permitted
Values
0-Disabled, the phone will not pop up the Allow Remote Control prompt when
receiving an HTTP or HTTPS GET request, or receiving a SIP NOTIFY message with the
“Event: ACTION-URI” header. The phone will directly perform the specified action.

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