30
synchronized local time with INTERNET time, since NTP
server only response GMT time, so that you need tospecify
theTimeZoneforIPphonetodecidethelocaltime.
4.7.2CallFeature
Sections Description
Mode Mode:Selectthedesiredmode.
DND DND (Do Not Disturb) allows IP phones to ignore any
incomingcalls.
ReturnCodewhenDND:Determinewhatresponsecode
shouldbesentbacktoserverwhenthereisanincoming
callifDNDon.
DND On Code: The Code is used to turn on DND on
server’s side, if c
onfigured, IP phone wi
ll send a SIP
message toserverto turn on DND on serversideifyou
pressDNDwhenDNDisoff.
DND Off Code: The Code is used to turn off DND on
server’s side, if configured, IP phone will send a SIP
message tose
rv
ertoturn offDNDonserverside if you
pressDNDwhenDNDison.
Intercom Intercom allows users to establish a call directly with the
callee.
Active:ToenableordisableIntercomfeature.