Yealink SIP-T48G Administrator's Guide

Appendix
837
4xx Response
Supported
Notes
485 Ambiguous
No
486 Busy Here
Yes
487 Request Terminated
Yes
488 Not Acceptable Here
Yes
491 Request Pending
No
493 Undecipherable
No
5xx Response—Server Failure Responses
5xx Response
Supported
Notes
500 Internal Server Error
Yes
501 Not Implemented
Yes
502 Bad Gateway
No
503 Service Unavailable
No
504 Gateway Timeout
No
505 Version Not Supported
No
6xx Response—Global Responses
6xx Response
Supported
Notes
600 Busy Everywhere
Yes
603 Decline
Yes
604 Does Not Exist Anywhere
No
606 Not Acceptable
No
SDP Headers
Supported
v—Protocol version
Yes
o—Owner/creator and session
identifier
Yes
a—Media attribute
Yes

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