Yealink SIP-T2xP Auto Provisioning Manual page 214

Yealink IP Phones Auto provisioning Guide
Parameter
phone_setting.ring_type =
phone_setting.contrast =
(only applicable to SIP-T28P , SIP-T21P , SIP-19P , CP860
IP phones, EXP39 connected to SIP-T28P and
SIP-T26P IP phones, and EXP40 connected to
SIP-T48G/T46G IP phones)
204
Permitted Values
Ring1.wav,
Ring2.wav,
It configures the ring tone for the phone.
Ring3.wav,
Example:
Ring4.wav,
phone_setting.ring_type = Ring1.wav
Ring5.wav
The default value is Ring1.wav.
Ring6.wav,
Note: Ring tones 6-8 are only applicable to
Ring7.wav,
SIP-T48G and SIP-T46G IP phones.
Ring8.wav
It configures the contrast of the LCD screen.
For SIP-T21P/T19P/CP860 IP phones, it
configures the LCD's contrast of the phone
only.
For SIP-T26P IP phones, it configures the
LCD's contrast of the connected EXP39 only.
Integer from 1 to 10
For SIP-T28P IP phones, it configures the
LCD's contrast of the IP phone and the
connected EXP39.
For SIP-T48G/T46G IP phones, it configures
the LCD's contrast of the connected EXP40
only.
The default value is 6.
Descriptions
Settings->Preference->Ring Type
Settings->Preference->Contrast
Web Setting Path