Yealink SIP-T48U Administrator's Guide

Call Features
418
Parameter
multicast.receive_priority.priority <y0000000000xx>.cfg
Description
It configures the priority of the voice call (a normal phone call rather than a multicast paging call) in
progress.
1 is the highest priority, 31 is the lowest priority.
Permitted
Values
0-Disabled, all incoming multicast paging calls will be automatically ignored when a voice call is in
progress.
1-1
2-2
3-3
...
31-31
If it is set to other values, the phone will receive the incoming multicast paging call with a higher or
equal priority and ignore the one with a lower priority when a voice call is in progress.
Default
31
Web UI
Directory > Multicast IP > Paging Barge
Parameter
multicast.receive.ignore_dnd.priority <y0000000000xx>.cfg
Description
It configures the lowest priority of the multicast paging call that can be received when DND is activ-
ated in phone mode.
1 is the highest priority, 31 is the lowest priority.
Permitted
Values
0-Disabled, all incoming multicast paging calls will be automatically ignored when DND is activated in
phone mode.
1-1
2-2
3-3
...
31-31
If it is not set to 0 (Disabled), the phone will receive the incoming multicast paging call with a higher or
same priority than this value and ignore that with a lower priority than this value when DND is activ-
ated in phone mode.
Default
0
Supported
Devices
All phones except T19(P) E2
Web UI
Directory > Multicast IP > Ignore DND
Parameter
multicast.listen_address.X.volume
[1]
<y0000000000xx>.cfg
Description
It configures the volume of the speaker when receiving the multicast paging calls.
If it is set to 0, the current volume of the speaker takes effect. The volume of the speaker can be adjus-
ted by pressing the Volume key in advance when the phone is during a call. You can also adjust the
volume of the speaker during the paging call.
If it is set to 1 to 15, the configured volume takes effect and the current volume of the speaker will be
ignored. You are not allowed to adjust the volume of the speaker during the paging call.
Permitted
Integer from 0 to 15

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