
| Command | 
 | Function | 
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 | 
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| +MS=a,b,c,e,f | 
 | Select modulation where: a=0, 1, 2, 3, 9, 10, 11, 12, 56, 64, 69;  | 
| 
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 | d=300- 56000;  | 
| 
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 | Parameter ″a″ specifies the modulation protocol desired where: 0=V.21, 1=V.22, | 
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 | 2=V.22bis, 3=V.23, 9=V.32, 10=V.32bis, 11=V.34, 12=V.90,K56Flex,V.34......,56=K 56Flex, | 
| 
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 | V.90,V.34......, 64=Bell 103, and 69=Bell 212. Parameter ″b″ specifies automode | 
| 
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 | operations where: 0=automode disabled, 1= automode enabled with V.8/V.32 Annex | 
| 
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 | A. Parameter ″c″ specifies the minimum connection data rate (300- 56000). Parameter | 
| 
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 | ″d″ specifies the maximum connection rate  | 
| 
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 | codec type (0= Law, and  | 
| 
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 | detection (0=detection disabled 1=detection enabled) | 
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MNP/V.42/V.42bis/V.44 commands
| Command | 
 | Function | 
| 
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 | 
 | 
| %C_ | %C0 | Disable MNP Class 5 and V.42bis data compression | 
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| 
 | %C1 | Enable MNP Class 5 data compression only | 
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| 
 | %C2 | Enable V.42bis data compression only | 
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| 
 | %C3 | Enable MNP Class 5 and V.42bis data compression | 
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| &Q_ | &Q0 | Direct data link only (same as \N1) | 
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| 
 | &Q5 | V.42 data link with fallback options | 
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| 
 | &Q6 | Normal data link only (same as \N0) | 
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 | 
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| +DS44=0, 0 | 
 | Disable V.44 | 
| 
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 | 
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| +DS44=3, 0 | 
 | Enable V.44 | 
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| +DS44? | 
 | Current values | 
| 
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| +DS44=? | 
 | List of support values | 
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Fax Class 1 commands
| +FAE=n | Data/Fax Auto Answer | 
| 
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| +FCLASS=n | Service Class | 
| 
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| +FRH=n | Receive data with HDLC framing | 
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| +FRM=n | Receive data | 
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| +FRS=n | Receive silence | 
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| +FTH=n | Transmit data with HDLC framing | 
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| +FTM=n | Transmit data | 
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| +FTS=n | Stop transmission and wait | 
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Fax Class 2 commands
| +FCLASS=n | Services class. | 
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| +FAA=n | Adaptive answer. | 
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| +FAXERR | Fax error value. | 
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| +FBOR | Phase C data bit order. | 
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