Multi-Tech Systems MTA128ST-USB - Manual (Page 59)

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Chapter 4 - AT Commands, S-Registers and Result Codes
MTA128ST-USB
Channel Bundling Flag Dialing
The command AT&Jn is used to indicate whether outgoing calls should be made on two
B-channels by default. The command AT&J1&W0<cr>, configures the TA to place a call,
dialing on two B-channels by default. If no second number is given in the dial string, that
single number is dialed twice. This compensates for the interworking issues with
Windows 95. On the other hand, if the user explicitly indicates two numbers in the dial
string, then two numbers are dialed (e.g., ATD7853500&7853502<cr>). The command
AT&J0&W0<cr>, disables automatic call bundling. Note other valid characters joining two
telephone numbers include a plus sign (+), and an exclamation mark (!).
Note: In Windows 98/95, if the Use Country Code and Area Code box is checked in the Properties
window for dial-up connection, the bundling modifier (i.e., &, + or !) is removed from the dialing
string when the user attempts to make a connection. The solution is to not check the Use Country
Code and Area Code box or to simply add the bundling dial modifier to the phone number at the
time of connection.
Canceling a Call
To cancel a call before the TA makes a connection, press any key.
Storing a Telephone Number
To store a telephone number, type &Zn=x in terminal mode, where n is the number of the
memory register in which the number is to be stored, and x is the dial command string
that you want to store. For example, type AT&Z9=612-785-3500 <cr> to store the
number 612-785-3500 in memory register 9.
Dialing a Stored Telephone Number
To dial a stored telephone number, type DSn in terminal mode, where n is the location of
the number you wish to dial. For example, type ATDS3 <cr> dials a telephone stored in
memory register 3 location.
Displaying a Stored Number
To display a stored telephone number, type &Zn? in terminal mode, where n is the
memory register in which the number is stored. For example, type AT&Z5? <cr> to
display the telephone number in memory register 5. To list all ten telephone numbers
stored in memory, type ATL <cr>.