MISCELLANEOUS TRUNK ACCESS
CCSA Access
MISCELLANEOUS TRUNK ACCESS
General Description
This feature allows the connection of various types of external facilities. In addition to Loop and Ground Start Trunks, the following can also be interfaced with the system: CCSA Lines Code Calling Equipment, Dictation Equipment, Foreign Exchange (FX) Lines, Radio Paging Equipment, and Wide Area Telephone Service (WATS) lines. Refer to separate features, Direct Inward Dialing (DID), and Tie Line Access for more applica- tions of Miscellaneous Trunk Access.
CCSA Access
General Description
This feature allows connection to or from a CCSA (Common Control Switching Arrangement) network. A CCSA network is a special,
The outgoing connections using CCSA lines are accomplished in the same manner as a normal outgoing call. Incoming calls are received from the CCSA network as a series of digits from the network instead of a ringing signal, and the connection is established in the same manner as a Direct Inward Dial (DID) or Tie Line connec- tion.
For Tie Line applications, the customers can construct a network with their own numbering plan. In a CCSA application, the numbers are issued by the C.O. following the CCSA network numbering plan.
Station Application
All stations.
Operating Procedure
To place an outgoing CCSA call from station
1.Lift handset and receive dial tone.
2.Dial CCSA feature access code and receive second dial tone from CCSA switch.
3.Dial desired telephone number.
4.Converse when called party answers.
To answer an incoming CCSA call
• With Attendant assistance
1.DID lamp flashes and audible indication is received.
2.Attendant presses either the DID or ANSWER key.
3.Attendant extends call to desired station.
• Without Attendant assistance
Lift handset and converse.
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