Yealink SIP-T48G Administrator's Guide

Troubleshooting
783
Source
Device
Source IP
Source Port
Destination
Device
Destination IP
Destination Port
(Listening port)
Protocol
Description of destination port
IP
phones
IP
address
of IP
phones
2~65535
IP phone or voice
gateway
IP address of IP
phone or voice
gateway
Determined by
destination
device.
UDP
RTP protocol port, it is used to
send or receive audio stream.
1024~65535
SIP Server
IP address of SIP
server
Determined by
destination
device.
UDP/TCP
SIP protocol port, it is used for
signaling interaction with SIP
server.
1024~65535
TR-069 Server
IP address of
TR-069 server
Determined by
destination
device.
TCP
TR-069 protocol port, it is used
to communicate with
TR-069server.
1024~65535
File server
IP address of file
server
Determined by
destination
device.
TCP
HTTP protocol port, it is used
to download file.
1024~65535
Remote phone
book server
IP address of
remote phone
book server
Determined by
destination
device.
TCP
HTTP protocol port, it is used
to access the remote phone
book.
1024~65535
AA
IP address of AA
Determined by
destination
device.
TCP
HTTP protocol port, it is used
for AA communication.

Yealink SIP-T48G Specifications

General

Expansion module support	Yes
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Volume control	-
Display diagonal	7 \
Display resolution	800 x 480 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	6
AC adapter input voltage	100 - 240 V
Number of handles included	1 pc(s)

Weight and Dimensions

Width	266 mm
Height	185 mm