Making Calls Using Ip Addresses - Grandstream Networks GS-GXP1610 User Manual

Press Speaker button; or
Press Headset button with headset plugged in; or
Press an available LINE key to activate speaker.
2. You shall hear dial tone after off hook.
3. Press MENU button to switch the call screen from "Dialing" to "Paging".
4. Enter the number.
5. Press SEND key or # to dial out.

Via Intercom Hard Button. Dial pre-configured intercom number.
1. Go to phone's Web GUISettingsCall Features, configure the Intercom User ID as the
destination number of intercom call.
2. When phone is in idle, press in Intercom Hard Button to dial pre-configured number.
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.

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.

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).
To make a direct IP call, please follow the steps below:
GXP16XX User Guide
Version 1.0.7.18
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