Grandstream Networks GXP2140 User Manual page 28

 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.
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.

During an active call, user can see call info on LCD:
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.
FIRMWARE VERSION 1.0.0.17 GXP2140/GXP2160 USER MANUAL
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