ZyXEL Communications U-336S 25bis Command Set, Syntax Command with Description Parameters

of the non-FSK modes the modem is supplied with. Before synchronous transfers are started, some initial settings should be made.

V.25bis Command Set

To enable V.25bis commands use the AT*I1 command.

For synchronous applications, the modem is permanently set in normal situations for use with one application. Save the desired settings in the power-on profile, and the modem will be initialized to synchronous mode (&M3) with V.25bis command enabled (*I1) when powered on.

A special command RST is provided to get the modem back to asynchronous AT command mode from V.25bis mode. You can enter this RST command in either synchronous or asynchronous V.25bis mode.

Syntax	Command with	Description
	Parameters*
CRN	CRN	Call request with number provided.
	<dialstring>**
CRS	CRS n	Call request with number from
		memory, 0 # n # 49;
		n is the memory location.
PRN	PRN n;	Saves <number> to address n
	<number>	(0 # n #49).
RLN	RLN***	Requests list of all stored numbers.
DIC	DIC	Ignores incoming call.
CIC	CIC	Accepts incoming call.
CFI	CFI XX	Call failure indication:
		ET	Engaged Tone.
		NS	Number is not stored.
		RT	RING Tone.

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