CHAPTER FIVE - OPTIONS: CHANNELS 1 and 2
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SG-System I Operating Manual
5
Option 1B2: Format Disable
Default (00)
You can use this option to avoid unwelcome VoIP issues by forcing your unit to receive only those DTMF formats you have stipulated.
In this way your receiver will not confuse unwated DTMF formats for those you require.
This option is bit-oriented, and so more than one value may be selected. Each value will disable the decoding of the accompanying DTMF
formats.
The values of this option are bit selectable, meaning that more than one setting may be enabled. Each digit in the eight-digit display corre-
sponds to a particular setting. You can use the Up and Down arrow buttons to enable a bit by setting it to 1, or disabled by setting it to 0.
After setting one digit, the cursor will advance to the next digit to the right. For example,
Table 33: DTMF Format Disable
Bit Description
0 15 digits DTMF format
1 13 digits DTMF format
28 digits DTMF format
3 22 digits DTMF format
4 11 digits DTMF format
5 12 digits DTMF format
6 23 digits DTMF format
7 14 digits DTMF format
Table 34: DTMF Format Disable Programming
DTMF Display
14-digit DTMF XOOOOOOO
23-digit DTMF OXOOOOOO
12-digit DTMF OOXOOOOO
11-digit DTMF OOOXOOOO
22-digit DTMF OOOOXOOO
8-digit DTMF OOOOOXOO
13-digit DTMF OOOOOOXO
15-digit DTMF OOOOOOOX
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