Yealink SIP-T48G Administrator's Guide

Configuring Security Features
725
Parameters
Permitted Values
Default
Security->Trusted Certificates->Common Name Validation
Phone User Interface:
None
security.dev_cert
0 or 1
0
Description:
Configures the type of the device certificates for the IP phone to send for TLS
authentication.
0-Default Certificates
1-Custom Certificates
Note: If you change this parameter, the IP phone will reboot to make the change
take effect.
Web User Interface:
Security->Server Certificates->Device Certificates
Phone User Interface:
None
trusted_certificates.url
URL within 511
characters
Blank
Description:
Configures the access URL of the custom trusted certificate used to authenticate the
connecting server.
Example:
trusted_certificates.url = http://192.168.1.20/tc.crt
Note: The certificate you want to upload must be in *.pem, *.crt, *.cer or *.der
format.
Web User Interface:
Security->Trusted Certificates->Load trusted certificates file
Phone User Interface:
None
trusted_certificates.delete
http://localhost/all
Blank
Description:
Deletes all uploaded trusted certificates.
Example:

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