Maxim Integrated 73M2901CE AT Command - Manual (Page 26)

73M2901CE AT Command User Guide UG_2901CE_027
26 Rev. 2.0
Bit 3 0 = Numeric result codes.
1 = Verbal result codes (see the V[n] command) (Default).
Bit 4 0 = No Match.
1 = First Cadence of Dual Cadence Matched.
Bit 5
0 = Touch tone dialing (see T or P command).
1 = Pulse dialing (Default).
Bit 6
General Handshake Complete Bit:
0 = Not Connected.
1 = Connected.
Bit 7 0 = Answer.
1 = Originate (Default).
4.4.16 S15 – Calling Tone Off Time
(Default = 17)
The value of this register sets the duration of the calling tone off time in units of 100ms.
4.4.17 S16 – Calling Tone On Time
(Default = 60)
The value of this register sets the duration of the calling tone on time in units of 10ms.
4.4.18 S17 – Minimum Ring Frequency Register
(Default = 10)
The minimum ring frequency to be acceptable in Hz. Range is from 0 to 253.
Note: The values need to be doubled if a full wave detector is used.
4.4.19 S18 – Maximum Ring Frequency Register
(Default = 75)
The maximum ring frequency to be acceptable in Hz. Range is from 1 to 254.
Note: The values need to be doubled if a full wave detector is used.
4.4.20 S19 – Dial Tone and Busy Precise Tones Bit Mask
(Default = C3h)
Defines which precise tones constitute a dial tone and which constitute a busy tone. High nibble defines
dial tone and low nibble defines busy.
bit 0 S63 bit 0 is selected tone of precise dial tone (Default).
bit 1 S63 bit 1 is selected tone of precise dial tone (Default).
bit 2 S63 bit 2 is selected tone of precise dial tone.
bit 3 S63 bit 3 is selected tone of precise dial tone .
bit 4 S63 bit 0 is selected tone of precise busy.