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Chapter 12 - Status Registers & Result Codes
12-4
Command bit dec hex Function and description Ref.
5 0 0 CTS Follows RTS in synchronous mode.
Response delay set in S26
&R0
32 20 Ignore RTS (CTS always ON) in
synchronous mode. (Default)
&D2
6-7 0 0 Assume DTR always On &D0
64 40 108.1, DTR OFF-ON transition causes dial of
the default number
&D1
128 80 108.2 Data Terminal Ready, DTR OFF
causes the modem to hang up and return to
command state
&D2
192 C0 108.2, DTR OFF causes the modem to hang
up and reset the modem to profile #0 after
DTR dropped
&D3
S23= bit dec hex Bit mapped register +105
0 0 0 Command echo disabled E0
1 1 Command echo enabled E1
1 0 0 Tone dial. (Default) T
2 2 Tone dial. P
2 0 0 Pulse dial make/break ratio = 39% / 61% &P0
4 4 Pulse dial make/break ratio = 33% / 67%
(Default)
&P1
3-5 0 0 ATX0 (See result code table)
8 8 ATX1 dec hex AT
16 10 ATX2 40 28 X5
24 18 ATX3 48 30 X6
32 20 ATX4 56 38 X7
6 0 0 Display result code in numeric format (see
S35.7)
V0
64 40 Display result code in verbose format V1
7 0 0 Modem returns result code Q0
128 80 Modem does not return result code (see also
S40.1)
Q1
S24= bit dec hex Bit mapped register
3-1 0-14 0-E Ring Volume control, increment of 2 in decimal
value
N0-7
7-5 32-224 20-E0 Speaker volume control, increments of 32 in
decimal value
L0-7
4-6 16-119 10-70 Speaker volume control, increments of 16 in
decimal value
L0-7
2 0 0 Ignore S21.1-2 when Phone 1 key pad dial
4 4 Do not ignore S21-2 when Phone 1 key pad
dial
3 0 0 Ignore S21.1-2 when Phone 2 key pad dial
8 8 Do not ignore S21-2 when Phone 2 key pad
dial
5-4 Speaker volume control, in increments of 16 in
decimal value
L0-3