10

Contents

 

 

 

 

 

 

 

S2 AT escape character (user-defined) ............

83

 

S3 Command line termination character

 

 

(user-defined) ............................................

83

 

S4 Response formatting character

 

 

(user-defined) ............................................

83

 

S5 Command line editing character

 

 

(user defined) ............................................

84

 

S6 Wait before dialing......................................

84

 

S7 Connection completion time-out.................

85

 

S8 Comma pause time.....................................

85

 

S11 DTMF dialing speed ..................................

85

 

S12 Escape guard time ....................................

86

 

S37 Dial line rate..............................................

86

 

AT command set result codes................................

87

Chapter 6: Test Function ...........................................

92

 

Test description......................................................

92

 

Testing procedure ..................................................

93

Chapter 7: MNP and V.42..........................................

95

 

Error-correction overview ......................................

95

 

MNP error correction .......................................

95

 

V.42 error correction........................................

96

 

Operation modes ...................................................

96

 

Normal mode ...................................................

96

 

Reliable mode ..................................................

96

 

Commands (\Nn) .............................................

97

 

Flow control ...........................................................

97

 

Serial port flow control ....................................

98

 

XON/XOFF flow control (software) ...................

98

 

CTS/RTS two-way flow control (hardware) ......

99

 

Commands (\Qn, &Kn) ....................................

99

 

Modem port flow control ...............................

100

 

Data compression ................................................

100