User's Manual

Grandstream Networks, Inc. GXV3140 USER MANUAL Page 62 of 83
FIRMWARE VERSION 1.0.1.18 Updated : 09/2009
z CALCULATOR
The GXV3140 also includes a Calculator application. To operate the calculator, press the
corresponding number on the keypad. The arithmetic operations (e.g. add, subtract, multiply,
divide) are defined by the corresponding arrow buttons.
z DIRECT IP CALL
Another key feature supported on the GXV3140 is Direct IP Calling. In the IP address field, enter
the IP address of the other party and press the F3 key which corresponds to the “SEND” option on
the LCD as shown in the next figure: