ZyXEL Omni TA 128 User Guide - Page 60

DTR Drop-Dialing Operation

Page 60 highlights

Command Messages CRSn Dial command with number from memory, 0

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48
Command Messages
CRS
n
Dial command with number from memory,
0<=n<=39; n is the memory location.
PRN
n
;<number>
Saves <number> to address n (0<=n<=39).
CIC
Receive incoming calls.
DIC
Reject incoming calls.
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 TA128 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.
O
Note:
Phone numbers must include a prefix for specific call types, e.g. I
for ISDN.