Yealink SIP-T48G Administrator's Guide

Table of Contents
xix
Appendix A: Glossary ................................................................................................................. 791
Appendix B: Time Zones ............................................................................................................. 793
Appendix C: Trusted Certificates ............................................................................................... 794
Appendix D: Configuring DSS Key ............................................................................................. 796
Appendix E: Auto Provisioning Flowchart (Keep user personalized configuration settings)821
Appendix F: Configurations Defined Never be Saved to <MAC>-local.cfg file .................. 822
Appendix G: SIP (Session Initiation Protocol) ........................................................................... 829
RFC and Internet Draft Support .......................................................................................... 830
SIP Request ............................................................................................................................ 833
SIP Header ............................................................................................................................ 833
SIP Responses ....................................................................................................................... 835
SIP Session Description Protocol (SDP) Usage .................................................................. 837
Appendix H: SIP Call Flows ........................................................................................................ 838
Successful Call Setup and Disconnect ............................................................................... 838
Unsuccessful Call Setup—Called User is Busy .................................................................. 841
Unsuccessful Call Setup—Called User Does Not Answer ................................................ 843
Successful Call Setup and Call Hold .................................................................................. 845
Successful Call Setup and Call Waiting ............................................................................. 848
Call Transfer without Consultation ...................................................................................... 853
Call Transfer with Consultation ............................................................................................ 856
Always Call Forward ............................................................................................................ 861
Busy Call Forward ................................................................................................................ 864
No Answer Call Forward ..................................................................................................... 867
Call Conference .................................................................................................................... 870
Index ......................................................................................875

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