Yealink T40G Administrator's Guide

General Features
515
Parameter
sip.cid_source.preference
<y0000000000xx>.cfg
Description
It configures the priority order for the sources of caller identity information. The
headers can be in any order.
Note: Yealink IP phones can derive caller identity from the following SIP headers:
From, P-Asserted-Identity (PAI), P-Preferred-Identity and Remote-Party-ID (RPID). It
works only if “account.X.cid_source” is set to 6 (PREFERENCE).
Permitted
Values
String
Default
P-Preferred-Identity, P-Asserted-Identity, Remote-Party-ID, From
Parameter
account.X.cp_source
[1]
<MAC>.cfg
Description
It configures the identity of the callee according to the response message.
Permitted
Values
0-PAI-RPID
1-Dialed Digits
2-RFC4916, update identity according to the From header in the UPDATE message.
3-PAI-RPID-Contact
Default
0
[1]
X is the account ID. For T54S/T48S/T48G/T46S/T46G/T29G, X=1-16; for T52S/T42G/T42S, X=1-12; for
T41P/T41S/T27P/T27G, X=1-6; for T40P/T40G/T23P/T23G, X=1-3; for T21(P) E2, X=1-2; for T19(P) E2, X=1.
Return Code for Refused Call
You can define the return code and reason of the SIP response message for the refused call. The caller’s
phone LCD screen displays the reason according to the received return code. Available return codes and
reasons are:
 404 (Not Found)
 480 (Temporarily Unavailable)
 486 (Busy Here)
 603 (Decline)
Topic
Return Code for Refused Call Configuration
Return Code for Refused Call Configuration
The following table lists the parameters you can use to configure the return code for refused call.
Parameter
features.normal_refuse_code
<y0000000000xx>.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