ADTRAN ISU 512 - Manual (Page 49)

Chapter 5: Configuration
61202.086L1-1 ISU 512 User Manual 33
Auto Answer
The ISU 512 can be configured to automatically answer or not answer. Use the
following menu path:
3=CONFIG
1=Netw. options
1=Dial Line
5=Auto answer
1=Disabled
2=Enabled (default)
3=Dump all calls
Disabled
When Disabled is selected, the ISU 512 does not answer incoming calls. The
ringing call can be dumped using the Hang Up Line command. Disable Auto
Answer if V.25 bis is in control of answering incoming calls with the CIC/DIC
commands; other settings override V.25 control of the answer function.
Enabled
When Enabled is selected, the ISU 512 accepts incoming calls.
Dump all calls
When Dump all calls is selected, the ISU 512 does not accept any incoming
calls, keeping the line clear for outgoing calls.