AT&T 3.0 Telephone User Manual


 
Customer Support Information
— Perform such activities in off-peak hours, such as early morning
or late evening.
Direct Inward Dialing (DID).
This equipment returns answer
supervision signals to the Public Switched Telephone Network
when:
— Answered by the called station
— Answered by the attendant
— Routed to a recorded announcement that can be administered
by the customer premises equipment user
— Routed to a dial prompt
This equipment returns answer supervision on all DID calls forwarded
back to the Public Switched Telephone Network. Permissible
exceptions are when:
A
A
A
call is unanswered
busy tone is received
reorder tone is received
Allowing this equipment to be operated in such a manner as not to
provide proper answer supervision signaling is in violation of Part 68
rules.
DOC Notification and Repair
Information
NOTICE:
The Canadian Department of Communications (DOC) label
identifies certified equipment. This certification means that the equipment
meets certain telecommunications network protective, operational, and
safety requirements. The DOC does not guarantee the equipment will
operate to the user’s satisfaction.
A-6 Maintenance and Troubleshooting