Yealink SIP-T48G Administrator's Guide

Troubleshooting
789
Capturing packets after you enable the RFC 2543 Hold feature. SDP media direction
attributes (such as a=sendonly) per RFC 2543 is used in the INVITE message when
placing a call on hold.
Capturing packets after you disable the RFC 2543 Hold feature. SDP media connection
address c=0.0.0.0 per RFC 3264 is used in the INVITE message when placing a call on
hold.
For more information on RFC 2543 hold feature, refer to Call Hold on page 299. For more
information on capturing packets, refer to Capturing Packets on page 764.

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