Yealink EXP50 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 EXP50 Specifications

General

Product color	Black, Grey
Number of buttons	23 buttons
Compatible products	SIP-T58V/SIP-T58A/SIP-T56A/SIP-T54S/SIP-T52S

Weight and Dimensions

Dimensions (WxDxH)	196.5 x 124 x 137.5 mm