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Grandstream Networks, Inc. GXV300x User Manual Page 14 of 54
Firmware 1.2.3.7 Updated: 12/2010
• Both phones can be connected through a router using public or private IP addresses (with neces-
sary port forwarding or DMZ)
To make a direct IP call, please follow these steps:
1. Press MENU button to bring up MAIN MENU.
2. Select “Direct IP Call” using the arrow-keys.
3. Press OK to select.
4. Input the 12-digits target IP address. (Please see example below).
5. Press OK key to initiate call.
For example: If the target IP address is 192.168.1.60 and the port is 5062 (e.g. 192.168.1.60:5062), input
the following: 192*168*1*60#5062 - “
*
” key represent “
.
” and “
#
” key represent “:”. Press
OK
to dial out.
Quick IP Call Mode
Dial an IP address under the same LAN/VPN by keying in the last octet in the IP address. This partially
simulates a PBX function using the CMSA/CD without a SIP server. Static IP usage recommended.
In the “Advanced Settings” page, set the "Use Quick IP-call mode” to “YES”. When #xxx# is dialed,
where x is 0-9 and xxx <=255, a direct IP call to aaa.bbb.ccc.XXX is completed. “aaa.bbb.ccc” is from the
local IP address regardless of subnet mask.
#xx or #x are also valid. The leading 0 is not required (but OK).
For example:
• 192.168.0.2 calling 192.168.0.3 -- dial #3 follow by SEND or #
• 192.168.0.2 calling 192.168.0.23 -- dial #23 follow by SEND or #
• 192.168.0.2 calling 192.168.0.123 -- dial #123 follow by SEND or #
• 192.168.0.2: dial #3 and #03 and #003 results in the same call -- call 192.168.0.3
NOTE: If you have a SIP Server configured (not recommended for IP calling), a Direct IP-IP still works. If
you are using STUN, the Direct IP-IP call will also use STUN. Configure the “Use Random Port” to “NO”
when completing Direct IP calls.