ZyXEL Communications Omni TA128 - Manual (Page 58)

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the DCE will report “RING” and will also make an audible ring
notification.
Making V.110 Calls
Before the ATDIxxx command is given to place the call, you need
to make sure that the TA128 is in asynchronous mode (AT&M0).
Then use the following commands to configure V.110:
AT Command Description
ATB10 User rate follows DTE speed (see note below).
ATB13 User rate = 2400bps.
ATB14 User rate = 4800bps.
ATB15 User rate = 9600bps.
ATB16 User rate = 14400bps.
ATB17 User rate = 19200bps.
ATB18 User rate = 38400bps.
ATB19 User rate = 57600bps (Japanese version only).
The highest Async V.110 user rate depends on bit 4 of S119 as
follows:
S119.4=0 19200 bps.
S119.4=1 38400 bps for areas other than Japan (default).
S119.4=1 57600 bps for Japanese version.
If the DTE speed is higher than what has been set, the user rate on
above table will be used.
Synchronous Connections
Use the following commands to choose the data rate for
synchronous operation :
ATB11 64000bps