Yealink SIP-T48G Administrator's Guide

Configuring Security Features
723
Navigate to:
http://<phoneIPAddress>/servlet?p=
trusted-cert&q=load
Configure server certificates feature.
Upload the server certificates.
Navigate to:
http://<phoneIPAddress>/servlet?p=
server-cert&q=load
Details of Configuration Parameters:
Parameters
Permitted Values
Default
account.X.sip_server.Y.transport_type
(X ranges from 1 to 16, Y ranges from 1 to 2)
0, 1, 2 or 3
0
Description:
Configures the type of transport protocol for account X.
0-UDP
1-TCP
2-TLS
3-DNS-NAPTR
X ranges from 1 to 16 (for SIP-T48G/T46G/T29G)
X ranges from 1 to 12 (for SIP-T42G)
X ranges from 1 to 6 (for SIP-T41P/T27P)
X ranges from 1 to 3 (for SIP-T40P/T23P/T23G)
X ranges from 1 to 2 (for SIP-T21(P) E2)
X is equal to 1 (for SIP-T19(P) E2/CP860)
Web User Interface:
Account->Register->SIP Server Y->Transport
Phone User Interface:
None
security.trust_certificates
0 or 1
1
Description:
Enables or disables the IP phone to only trust the server certificates in the Trusted
Certificates list.
0-Disabled
1-Enabled

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