X25AM Programming Manual

X3PAD Interface

X25AM Programming Manual—527201-001

4-10

CALL Command

The CALL command initiates a call.

address

is a series of 1 to 8 digits representing the called network address. If a value has

previously been set with the SET command, the address can be omitted.

Table 4-8 summarizes potential CALL error messages.

CALL ESTABLISHED.

If the CALL command has been successfully executed, X3PAD writes a message

to the OUT file and enters the data transfer state.

ERROR: CALL ALREADY IN PROGRESS : call-status

If another call is already in progress, X3PAD writes a message to the OUT file and

continues processing terminal commands.

ERROR: ADDRESS IS UNDEFINED.

If address is undefined, X3PAD writes a message to the OUT file and continues

processing terminal commands.

CALL CLEARED. clear-indication

If the call is cleared, X3PAD writes a message to the OUT file and continues

processing terminal commands.

CALL IN PROGRESS. call-status

If a call is in progress, its status is written to the OUT file.

THERE IS NO CALL IN PROGRESS. clear-indication

If no call is in progress, the clear-indication of the most recent call is written to the

OUT file.

For more information on clear-indication, see Establishing a Call on page 4-7.

CALL [ address ]

Table 4-8. CALL Command Messages Issued by X3PAD

CALL ESTABLISHED.

ERROR: CALL ALREADY IN PROGRESS: call-status

ERROR: ADDRESS IS UNDEFINED.

CALL CLEARED.

clear-indication