User guide

Appendix
283
Parameter
Permitted
Values
Descriptions
Web Setting Path
1800-1800s
For SIP-T27P/T23P/T23G/T21(P) E2 IP phones:
The default value is 30.
For SIP-T48G/T46G/T42G/T41P/T29G IP phones:
The default value is 0.
phone_setting.ringback_timeout
Integer from 0
to 3600
It configures the duration time (in seconds) in
the ringback state.
If it is set to 180, the phone will cancel the
dialing if the call is not answered within180s.
The default value is 180.
phone_setting.ring_for_tranfailed
Ring1.wav
Ring2.wav
Ring3.wav
Ring4.wav
Ring5.wav
Ring6.wav
Ring7.wav
Ring8.wav
Silent.wav
Splash.wav
It configures the ring tone when the IP phone
fails to transfer a call.
The default value is Ring1.wav.