8

Contents

 

 

 

 

 

Chapter 3: Using the Internal Modem .......................

44

 

Connection procedures ..........................................

44

 

Analog or digital?.............................................

45

 

Connecting the internal modem .......................

45

 

Disconnecting the internal modem ..................

46

 

Basic operation ......................................................

47

 

Connecting to a telephone line .........................

47

 

Direct access line .............................................

47

 

Extension line...................................................

48

 

Receiving a call ................................................

49

 

Terminating a call.............................................

49

 

Setting the data flow control ............................

49

 

Facsimiles ........................................................

50

Chapter 4: AT Commands .........................................

51

AT command formats ............................................

51

+++ Escape sequence ......................................

52

A/ Repeat last command ..................................

52

A Answer command.........................................

52

Bn Communication standard setting ................

52

Dn Dial .............................................................

53

En Echo command ...........................................

54

Hn Hook control...............................................

55

In Request ID information................................

55

Ln Monitor speaker volume .............................

60

Mn Monitor speaker mode...............................

60

Nn Modulation handshake ...............................

61

On Return online to data mode ........................

61

P Select pulse dialing.......................................

62

Qn Result code control ....................................

62

T Select tone dialing.........................................

62

Vn DCE response format..................................

62

Wn Result Code Option....................................

63