Yealink SIP-T31G Administrator's Guide

Administrator’s Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
496
3-PRID-PAI-FROM
4-PAI-RPID-FROM
5-RPID-FROM
6-PREFERENCE, the phone uses the custom priority order for the sources of caller identity (con-
figured by the parameter “sip.cid_source.preference”).
Default
0
Web UI
Account > Advanced > Caller ID Source
Parameter
account.X.cid_source_privacy
[1]
<MAC>.cfg
Description
It enables or disables the phone to process the Privacy header field in the SIP message.
Note: The priority order: PPI > Privacy > PRID/PAI/From.
Permitted
Values
0-Disabled, the phone does not process the Privacy header.
1-Enabled, the phone screen presents anonymity instead if there is a Privacy: id in the INVITE
request.
Default
1
Parameter
account.X.cid_source_ppi
[1]
<MAC>.cfg
Description
It enables or disables the phone to process the P-Preferred-Identity (PPI) header in the request mes-
sage for caller identity presentation.
Permitted
Values
0-Disabled, the phone does not process the PPI header.
1-Enabled, the phone presents the caller identity from the PPI header.
Default
0
Parameter
sip.cid_source.preference <y0000000000xx>.cfg
Description
It configures the priority order for the sources of caller identity information.
Note: Yealink phones can derive caller identity from the following SIP headers: From, P-Asserted-Iden-
tity (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, the caller sends the SIP request message which contains the from-change tag in the Sup-
ported header. The caller then receives an UPDATE message from the server and displays the iden-
tity in the “From” header.
3-PAI-RPID-Contact
4-The phone displays the identity using the custom priority order configured by “sip.cid_source.-
preference”.
Default
0

Yealink SIP-T31G Specifications

General

Mounting kit	Yes
Number of handles included	1 pc(s)
Display diagonal	2.3 \
Display resolution	132 x 64 pixels
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Voice codecs	G.722, G.729, AGC, G.729A, AJB, PLC, G.711Mu, VAD, G.711a, G.723.1, G.726, iLBC, CNG, OPUS
AC adapter input voltage	100 - 240 V
AC adapter output current	0.6 A
AC adapter output voltage	5 V
Power consumption (typical)	3 W
Lines quantity	2 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	2
Sustainability certificates	RoHS, REACH
Networking standards	IEEE 802.3af, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1x
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Gray
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	189 mm
Width	188 mm
Height	162 mm
Package depth	210 mm
Package width	213 mm
Package height	103 mm