EXM-31 Hardware ReferencePage 364 4-C0 Disables calling tone.-C1 Enables calling tone.Result Codes:OK n=0,1.Error Otherwise.-Jn Set V.42 Detect PhaseThis command determines whether the originating modem sends a sequence to theanswering modem to determine the type of error correction it has enabled.-J0 Disables the V.42 detect phase.-J1 Enables the V.42 detect phase.Result Codes:OK n=0,1.Error Otherwise.-Kn MNP Extended ServicesThis command determines whether a LAPM connection will be converted to an MNPconnection. This will occur only if AT-K1 is set on both sides.-K0 Disables MNP extend services.-K1 Enables MNP extend services.Result Codes:OK n=0,1Error Otherwise-Qn Fallback Modulation Speeds (MNP 10)This command controls whether the modem can fall back from a V.32 or V.32bisMNP reliable connection to 2400 bits/s or 1200 bits/s.-Q0 Disables fallback to both V.22bis (2400) and V.22 (1200)-Q1 Enables fallback to V.22bis (2400)-Q2 Enables fallback to V.22bis (2400 and V.22 (1200)Result Codes:
