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Grandstream Networks, Inc. GXP1100/1105 User Manual Page 9 of 34
Firmware version: 1.0.1.110 Last Updated: 01/2012
During the call, users can press the FLASH key to hold the current call and make/answer another call. If they
are 2 calls established, users can switch the two lines by pressing the FLASH key.
Completing Calls
The GXP1100/1105 allows you to make phone calls by picking up the handset. There are four ways to
complete calls.
1. D
IAL: To make a phone call.
Take handset off hook
The line will have a dial tone
Enter the phone number
Press “#” or SEND key to send
2. R
EDIAL: To redial the last dialed phone number.
Take handset off-hook
Press the SEND key
3. V
IA SPEED DIAL: On the GXP1100/1105, the Multiple Purpose Key (programmable hard key) has to
be configured as Speed Dial and with the correct name and user ID under Web GUI->Basic Settings
configuration.
Take handset off hook
Press the configured Speed Dial key
4. V
IA CALL RETURN: To dial the last answered call. On the GXP1100/1105, the Multiple Purpose Key
(programmable hard key) has to be configured as Call Return under Web GUI->Basic Settings
configuration. No user name and user ID has to be set on the Multiple Purpose Key for Call Return.
Take handset off hook
Press the configured Call Return key
NOTE:
1. Dial tone occurs after the handset is off-hook. After dialing the number, the phone waits 4 seconds (by
default; No key Entry Timeout) before sending and initiating the call. Press “SEND” or “#” key to override the
4 second delay.
2. If there are digits pressed, the SEND key will work as SEND instead of REDIAL.
3. 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->Accounts.
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 a 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 these steps:
Take handset off
After hearing the dial tone, press “***” to enter the IVR menu