DND Soft key Enable/Disable the DND feature.
P
lay Hang-up Tone Ttone with hang up in busy.
Transfer Code Code with transfer.
Conference Exit Result Conference originator hang up the phone, hang up two ways of it.
Return Code When
Refuse
Select the code feedback to the server when you reject the call.
Return Code When DND Select the code feedback to the server when you open DND function.
Flash Hook Time(<800ms) The time with the flash hook.
Called No Answer Time When it has coming call and enable this feature, the caller will be
request time out in the stipulated time.
Pound Send Method When you to use the code, such as: #28#123 or %23123, you need to set
this feature.
RFC 2833 Play Load Default is 101, RTP Payload for DTMF Digits, Telephony Tones and
Telephony Signals
P-Asserted-Identity Enable/Disable the P-Asserted-Identity feature.
SIP Session Timer T1 The SIP Session Timer setting.
SIP Session Timer T2 The SIP Session Timer setting.
SIP Session Timer T4 The SIP Session Timer setting.
Local SIP Port The port range setting with SIP, default is 5060.
RTP Port Range The port range with RTP
Affiliated Port Enable/Disable the affiliated port feature.
Headset Mode Select headset mode with normal or seat.
Ring Type On Seat Mode Select ring type mode with headset or speaker.
6.1.3
VoIP Call Forward