Yealink T40G Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series IP Phones
214
Description
It configures the type of the SIP server.
Permitted
Values
0-Default
2-BroadSoft (It works only if “bw.enable" is set to 1(Enabled))
8-Genesys
10-Genesys Advanced
12-Star2Star
Default
0
Web UI
Account->Advanced->SIP Server Type
Parameter
account.X.gruu.enable
[1]
<MAC>.cfg
Description
It enables or disables the Globally Routable User Agent URI (GRUU) feature.
GRUU provides a unique user-agent identifier to a specific user agent (UA) instance. It
is required in which the REFER request must be routed to the correct UA instance, for
example, a call transfer.
Permitted
Values
0-Disabled
1-Enabled, the IP phone will add +sip.instance attribute with the public GRUU to the
Contact header of the REGISTER message.
For example:
Contact:
<sip:1012@10.2.20.160:5060>;+sip.instance="<urn:uuid:5acd54e8-f197-57e2-aa42-5f
4a5d04367c>"
Default
0
Parameter
sip.reg_surge_prevention
[2]
<y0000000000xx>.cfg
Description
It configures the waiting time (in seconds) for account register after startup.
Permitted
Values
Integer from 0 to 60
Default
0
Web UI
Network->Advanced->Registration Random->Registration Random (0~60s)
Parameter
account.X.subscribe_register
[1]
<MAC>.cfg
Description
It enables or disables the IP phone to subscribes the registration state change
notifications.
Permitted
Values
0-Disabled
1-Enabled
Default
0
Web UI
Account->Advanced->Subscribe Register

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