Yealink SIP-T48U Administrator's Guide

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
64
The default DSCP value for RTP packets is 46 (Expedited Forwarding).
Permitted
Values
Integer from 0 to 63
Default
46
Web UI
T57W/T54W/T53W/T53/T48U/T46U/T43U/T42U:
Network > Advanced > QoS > Voice QoS (0~63)
Other Phones:
Network > Advanced > Voice QoS > Voice QoS (0~63)
Parameter
static.network.qos.signaltos
[1]
<y0000000000xx>.cfg
Description
It configures the DSCP (Differentiated Services Code Point) for SIP packets.
The default DSCP value for SIP packets is 26 (Assured Forwarding).
Permitted
Values
Integer from 0 to 63
Default
26
Web UI
T57W/T54W/T53W/T53/T48U/T46U/T43U/T42U:
Network > Advanced > QoS > SIP QoS (0~63)
Other Phones:
Network > Advanced > Voice QoS > SIP QoS (0~63)
[1]
If you change this parameter, the phone will reboot to make the change take effect.
802.1x Authentication
Yealink phones support the following protocols for 802.1x authentication:
l EAP-MD5
l EAP-TLS (requires Device and CA certificates, requires no password)
l EAP-PEAP/MSCHAPv2 (requires CA certificates)
l EAP-TTLS/EAP-MSCHAPv2 (requires CA certificates)
l EAP-PEAP/GTC (requires CA certificates)
l EAP-TTLS/EAP-GTC (requires CA certificates)
l EAP-FAST (supports EAP In-Band provisioning, requires CA certificates if the provisioning method is Authentic-
ated Provisioning)
For more information on 802.1x authentication, refer to Yealink 802.1X Authentication.
Topic
802.1x Authentication Configuration
802.1x Authentication Configuration
The following table lists the parameters you can use to configure 802.1x authentication.
Parameter
static.network.802_1x.mode
[1]
<y0000000000xx>.cfg
Description
It configures the 802.1x authentication method.
Permitted
Values
0-EAP-None, no authentication
1-EAP-MD5

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