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8
Contents
5.375 x 8.375 ver 2.4.0
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