User manual

3xx series IP Phone
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Escene Communication
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When used Phone Setting option, you can set several parameters as follow:
Phone Setting
Basic
Called No Answer Time When it has coming call and enable this feature, the caller will be
request time out in the stipulated time.
DTMF The DTMF transmitted mode, include RFC2833,Inband,SIP Info,
Auto
Pound Send Method When you to use the code looks like #28#123 or %23123, you need
to setting this feature.
RFC 2833 Pay Load Default is 101, RTP Payload for DTMF Digits, Telephony Tones and
Telephony Signals
Back Light The backlight of the phone LCD
Key Board Lock Lock with the phone LCD, when you enable the right password, it
will auto disable this feature. if you want to use again, you need to
open it again in the web management. Tips: the password is the
same with the phone LCD. Default is empty. The Menu key can