set on for Call Return.
Directly press the Call Return key to dial out.
Via Paging/Intercom.
Take handset off hook, or
o Press Speaker button,
o Press Headset button with headset plugged in,
o Press an available LINE key to activate speaker,
You shall hear dial tone after one of the previous manipulation.
Press MENU button to switch the call screen from "DIAL" to "PAGE",
Enter the number,
Press SEND key or # to dial out.
Notes:
After entering the number, the phone waits for the No Key Entry Timeout (Default timeout is 4 seconds,
configurable via Web GUI) before dialing out. Press SEND or # key to override the No Key Entry
Timeout.
If digits have been entered after handset is off hook, the SEND key will works as SEND instead of
REDIAL.
By default, # can be used as SEND to dial the number out. Users could disable it by setting "User # as
Dial Key" to "No" from Web GUI->Account X->Call Settings.
If the SIP Server/PBX supports Paging/Intercom and has feature codes set up already, users do not
necessarily need toggle to paging mode in the call screen. Simply dial the feature code with extension
as a normal call.
When dial out via paging, user can see the “call-info” header contains “answer-after=0” and “the
“alert-info” header contains “info=alert-autoanswer; delay=0” in the outgoing INVITE.
During an active call, user can see call info on LCD such as: the call lasting time, contact information if the
number already be saved in phonebook. When dialing DTMF, user can press round OK button to switch to
call info page.
Making Calls Using IP Addresses
Direct IP Call allows two phones to talk to each other in an ad-hoc fashion without a SIP proxy. VoIP calls
can be made between two phones if:
Both phones have public IP addresses, or
Both phones are on the same LAN/VPN using private or public IP addresses, or
Both phones can be connected through a router using public or private IP addresses (with necessary
port forwarding or DMZ).
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