ATCommands

Your modem is pre-configured to automatically answer any incoming call, provided it is switched on, is in local command state, DTR is high and is not performing a test. If you receive a call on the phone line the modem is connected to, it will answer the call and attempt to connect to the calling modem.

S Register 0 contains the number of rings the modem will wait before answering a call. If a value of 4 is placed in S Register 0, the modem will answer an incoming call immediately after the fourth ring. If a 0 value is placed in S Register 0, the modem will not answer an incoming call.

The communications standard used by the modem in its attempt to connect with a calling modem is determined by the B command.

If the phone does ring, and verbal response codes are selected (ATV1), the modem will issue RING messages until the number of rings stored in S Register 0 is reached. The modem will then go on line, transmit an answer tone, and attempt to connect to the calling modem using the communications standard selected by the B command.

By default the modem is set to B0. B0 is the auto range setting. This should connect to virtually all communications standards and normally you do not have to alter this. As soon as a connection is established, the modem will send a CONNECT message to your computer and enter on-line state in answer mode.

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Telenetics 56 manual ATCommands