
Grandstream Networks, Inc. GXW-400x User Manual Page 14 of 31
Firmware 1.0.0.17 Last Updated: 12/2006
Five Success Tips when using the Voice Prompt
1. “*” shifts down to the next menu option
2. “#” returns to the main menu
3. “9” functions as the ENTER key in many cases to confirm an option
4. All entered digit sequences have known lengths - 2 digits for menu option and 12 digits for IP
address. For
IP address, add 0 before the digits if the digits are less than 3 (i.e. - 192.168.0.26
should be key in like 192168000026. No decimal is needed).
5. Key entry can not be deleted but the phone may prompt error once it is detected
PLACING PHONE CALLS
C
ALLING PHONE OR EXTENSION NUMBERS
There are currently two methods to make an extension number call:
1. Dial the numbers directly and wait for 4 (default) seconds.
2. Dial the numbers directly, and press # (assuming that “use # as dial key is selected in web
configuration).
Examples:
• To dial another extension on the same proxy, such as 1008, simply pick up the attached phone,
dial 1008 and then press the # or wait for 4 seconds.
• To dial a PSTN number such as 6266667890, you may need a prefix number followed by the
phone number. Please check with your VoIP service provider for correct information. If your
phone is assigned a PSTN-like number such as 6265556789, it is likely that you dial “1” prior to
the number - 16266667890.
DIRECT IP CALLS
Direct IP calling allows two parties, that is, a FXS Port with an analog phone and another VoIP Device, to
talk to each other in an ad hoc fashion without a SIP proxy. A direct IP call can be completed if:
1. Both GXW–400X and other VoIP Device, have public IP addresses, or
2. Both GXW–400X and other VoIP Device are on the same LAN using private IP addresses, or
3. Both GXW–400X and other VoIP Device can be connected through a router using public or
private IP addresses (with necessary port forwarding or DMZ).
To make a direct IP call
1. Pick up the analog phone then access the voice menu prompt by dial “***”
2. Dial “47” to access the direct IP call menu
3. Enter a 12-digit target IP address after the dial tone and voice prompt “Direct IP Calling”
Destination ports can be specified by using “*4” (encoding for “:”) followed by the port number.
NOTE: When completing direct IP call, the “Use Random Port” should set to “NO”. You can
not make
direct IP calls between FXS1 to FXS2 since they are using same IP.
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