44 DBS 576 (USA), issued January 1999 576-20-700Chapter 3. System Features Section 700 - OperationTo make a DISA call to an outside number:Hardware Requirements• N/ARelated Programming• FF1-0-26: DISA Incoming Code• FF1-0-26: DISA Outgoing Codes and TRS Assignments• FF1-0-04: Class of Service (DISA ID Check)• FF2: Ring TypeConsiderations• Busy override cannot be used for a DISA line.• DISA can be used to access extensions as well as outside numbers.• Paging cannot be accessed from a DISA line.• While dialing an extension number, the * key may be entered to cancel dialing and return to dialtone. The # key may be entered to disconnect.Distinctive RingingDescriptionDistinctive Ringing sets CO calls to ring with a distinctive ring based on the trunk. This “ring” alsoidentifies the call as an outside call instead of an inside call.Beginning with CPC version 2.0, calls to a key telephone or DSLT can also be set to distinctiveringing on an extension basis.Hardware Requirements• N/ARelated Programming• FF2-0: (Trunks) Ring Pattern and Frequency• FF3-0: (Extensions) Ring Pattern and Frequency• FF1-0-04: (System) Trunk Class of ServiceAction Result1. From an outside location, enter the DISA trunk number. DISA dial tone2. If an incoming DISA code is assigned enter the DISA code(up to 10 digits). Otherwise, proceed to step 3.3. Enter the Trunk group number (9 or 81-84)4. Dial the phone number.
