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BudgeTone-100 User Manual Grandstream Networks, Inc.
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• both phones can be connected through a router using public or private IP
addresses.
To make a direct IP calling, first pick up the phone or turn on the speakerphone, then
press “Menu” button followed by the 12-digit target IP address. If there is a user part,
press “Menu” button and then the encoded user part, followed by *3 (encoding for “@”)
and then followed by the 12-digit target IP address. Destination ports can also be
specified using *4 (encoding for “:”) followed by the encoded port number.
The follow is a table of the encoding scheme for the most commonly used characters:
00 0
01 1
02 2
03 3
04 4
05 5
06 6
07 7
08 8
09 9
*0 . (dot character)
*1 _ (underscore character)
*2 - (hyphen character)
*3 @
*4 : (column character)
21 a
22 b
23 c
31 d
32 e
33 f
41 g
42 h
43 i
51 j
52 k
53 l