Digital Line to POTS Interface
14
CMX605 Preliminary Information
(Hz) Field 1 (Hex)
Off
$00
120
$10
150
$20
154
$30
250
$40
300
$50
350
$60
400
$C0
425
$04
440
$06
450
$07
480
$09
500
$0A
600
$0B
620
$0C
Table 15: Single Frequency Call Progress Tones
Additive Mixing (Hz)
Off
350+440
440+480
480+620
400+425
400+450
425+450
425+480
120+620
150+450
Field 1 (Hex)
$00
$66
$F6
$FC
$C4
$C7
$D4
$F4
$1C
$27
Multiplicative Mixing (Hz) Field 1 (Hex)
400*16.2
$B2
400*20
$A3
400*25
$94
400*33
$85
400*40
$76
400*50
$67
450*25
$E4
600*120
$FD
Table 16: Dual Frequency Call Progress Tones
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