Grandstream Networks GXP1610 User Manual page 28

out) for the Line Key. Click on "Update" at the bottom of the Web GUI page;
 Off hook the phone, or directly press the Speed Dial key to dial out.

Call Return. Dial the last answered call.
 Go to phone's Web GUI->Settings->Programmable Keys, configure the Line Key's Key Mode as
Call Return. Select the account to dial from, no Name or User ID has to be set on for Call Return;
 Off hook the phone, or directly press the Call Return key to dial out.

Via Paging/Intercom.
 Take handset off hook; or
Press Speaker button; or
Press Headset button with headset plugged in; or
Press an available LINE key to activate speaker;
 You shall hear dial tone after off hook;
 Press MENU button to switch the call screen from "Dialing" to "Paging";
 Enter the number;
 Press SEND key or # to dial out.

Via Intercom Hard Button. Dial pre-configured intercom number.
 Go to phone's Web GUI->Settings->Call Features, configure the Intercom User ID as the
destination number of intercom call.
 When phone is in idle, press in Intercom Hard Button to dial pre-configured number.
Note:

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;

For Paging/Intercom, if the SIP Server/PBX supports the feature and has Paging/Intercom feature code
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.
GXP1610/GXP1620/GXP1625/GXP1628/GXP1630 User Guide Page 27 of 42