ZyXEL ACCESSING INTERNET & INTRANET omni series Manual de usuario descargar pdf (Pagina 66)

54 V.110 and Synchronous Mode Communications

Command Messages

RST Changes to asynchronous AT command

mode.

Indicator Messages

CNX Call connect.

INC Incoming call.

VAL Valid command.

INV Invalid command.

CFLxx Call Failure.

NT Answer tone is not detected.

AB Abort call.

ET Engaged tone.

NS Number is not stored.

RT Ring tone.

DTR Drop-Dialing Operation

The omni will automatically dial the phone number stored in the

NVRAM when it detects an off-to-on transition of the DTR line.

Before you enable the DTR drop action, a phone number must be

stored and saved to memory along with an indication of which

number to dial on DTR drop. First use AT&Zn=s (n=0-39, s=phone

number) to store the phone number into NVRAM. Then, use AT*Dn

(n=0-39) to choose which of the in-memory phone numbers should

be dialed. Finally issue an AT&D1 to enable DTR drop dialing

operation.

Note: Phone numbers must include a prefix for specific call types, e.g. I

for ISDN.

An example of DTR drop dialing is given below. The destination

phone number is 5551234.

1. Issue the command

AT&Z0=I5551234

to save phone number to NVRAM.

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ZyXEL ACCESSING INTERNET & INTRANET omni series Manual de usuario Pagina 66