User guide

Appendix
161
Parameter
Permitted
Values
Descriptions
Web Setting Path
voice.headset.spk_vol
Integer from 1
to 15
It configures the receiving volume of the
headset during a call.
The default value is 8.
voice.headset.tone_vol
Integer from 1
to 15
It configures the dial tone or ringback tone
volume of the headset.
The default value is 8.
voice.handfree_send
Integer from 1
to 53
It configures the sending volume of the
speaker.
The default value is 35.
It takes effect after a reboot.
voice.handset_send
Integer from 1
to 53
It configures the sending volume of the
handset.
The default value is 25.
It takes effect after a reboot.
voice.headset_send
Integer from 1
to 53
It configures the sending volume of the
headset.
The default value is 30.
It takes effect after a reboot.
security.trust_certificates
0 or 1
It enables or disables the IP phone to only
trust the server certificates in the Trusted
Security->Trusted Certificates->Only
Accept Trusted Certificates