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HandyTone-486 User Manual Grandstream Networks, Inc.
9
5.2 Make Phone Calls
5.2.1 Calling phone or extension numbers
There are currently two methods to make an extension number call:
a) Dial the numbers number directly and wait for 4 (default) seconds.
b) Dial the numbers directly, and press # (assuming that “use #” as dial key is selected
in web configuration).
Other functions available during the call are call-waiting/flash, call-transfer, and call-
forwarding.
5.2.2 Direct IP calls
Direct IP calling allows two phones, that is, a HandyTone with an analog phone and another
VoIP Device, to talk to each other in an ad hoc fashion without a SIP proxy. VoIP calls can be
made between two phones if:
• both HandyTone ATA and other VoIP Device(i.e., another HandyTone ATA or other
HandyTone ATA) have public IP addresses, or
• both HandyTone ATA and other VoIP Device(i.e., another HandyTone ATA or other
HandyTone ATA) are on the same LAN using private or public IP addresses, or
• Both HandyTone ATA and other VoIP Device(i.e., another HandyTone ATA or other
HandyTone ATA) can be connected through a router using public or private IP
addresses.
To make a direct IP call, first pick up the analog phone or turn on the speakerphone on the
analog phone, then follow Section 4.1 with voice prompt 47, followed by the 12-digit target IP
address. Destination ports can also be specified using *4 (encoding for “:”) followed by the
encoded port number. Following is a table of the encoding scheme for the most commonly
used characters:
F
00 0
01 1
02 2
03 3
04 4
05 5
06 6
07 7
08 8
09 9
*0 . (dot character)
*4 : (column character)