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Grandstream Networks, Inc. HT503 User Manual Page 10 of 38
Firmware 1.0.4.2 Last Updated: 06/2011
“Restoring Factory Settings”)
“Invalid Entry”
Automatically returns to main menu
NOTE
:
• “*” shifts down to the next menu option
• “#” returns to the main menu
• “9” functions as the ENTER key in many cases to confirm an option
• All entered digit sequences have known lengths - 2 digits for menu option. For IP address, the "*"
key represent the dot "." (Like 192.168.0.26 should be key in like 192*168*0*26). Once all of the
digits are collected, the input will be processed.
• Key entry can not be deleted but the phone may prompt error once it is detected
Placing a Phone Call
Phone or Extension Numbers
There are currently two methods to make an extension number call:
a) Dial the numbers directly and wait for 4 (default) seconds.
b) Dial the numbers directly, and press # (assuming that “use # as dial key” is selected in the web
configuration).
E
XAMPLES:
• 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 this information. If your phone is
assigned a PSTN-like number such as 6265556789, you will most likely follow the rule 1 + (the
number) – 16266667890. Press # or wait for 4 seconds.
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.
Elements necessary to completing a Direct IP Call:
• Both HT503 and other VoIP Device, have public IP addresses, or
• Both HT503 and other VoIP Device are on the same LAN using private IP addresses, or
• Both HT503 and other VoIP Device can be connected through a router using public or private IP
addresses (with necessary port forwarding or DMZ).
HT503 supports two ways to make Direct IP Calling:
Using IVR
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 the IP address using format ex. 192*168*0*160 after the dial tone.
Using Star Code