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Advanced Configuration Parameter Default Values 5-3
the incoming call is dropped. The calling party will still hear
ringing, and must retry their call.
If you have a Multilink PPP call active and you receive an
incoming voice call, one of the two B channels will not be
assigned to the voice call until you answer the voice call. The
LED remains green until the call is answered.
Auto Answer
When Auto Answer is disabled (S0=0, by default), a RING
message is delivered to the RS-232 serial port upon reception
of an incoming data call to the 3C882 ISDN modem. Enter
the command
AT A to answer the incoming data call. A
CONNECT message is then delivered to the RS-232 port upon
successful connection.
If Auto Answer is enabled (S0=(1-255)), the data call is
automatically answered after the number of rings specified
via the S register, and a
CONNECT message, along with the
speed of the connection, is delivered to the RS-232 port.
Compression
Compression is a method of reducing the size of transferred
data without losing any information. The 3C882 ISDN modem
automatically compresses data to improve data transfer times
using the hi/fn LZS version 5 compression method.
Compression is enabled (%C2, by default) and will
automatically be invoked unless you are running
compression on your computer. If you are running
compression on your computer, that compression method
will be used instead of 3C882 compression even if 3C882
compression is enabled. AT%C0 will disable compression.
Baud Rate
By default, the baud rate is set to Autobaud ($B0). Autobaud
automatically detects the maximum data rate of your
computer’s COM port. Rates up to 115.2 Kbps can be
detected automatically. 3Com recommends that you leave