Yealink SIP-T48U Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
491
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-T48U Specifications

General

Handset type	Wired handset
Product type	IP Phone
Product color	Gray
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Expansion module support	Yes
Ethernet LAN (RJ-45) ports	2
Display diagonal	7 \
Display resolution	800 x 480 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	16
Voice codecs	AGC, AJB, AMR-WB, CNG, G.711, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Security algorithms	AES, HTTPS, SRTP, TLS
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN interface type	Gigabit Ethernet
Front camera	-
AC adapter input voltage	100 - 240 V
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 %
Keypad number of keys	29
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Width	226 mm
Height	185 mm