3Com ISDN Modem manual Auto Answer, Compression, Baud Rate

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