28 DBS 576 (USA), issued March 1999 576-25-700Chapter 3. System Features Section 700 - OperationHardware Requirements• N/ARelated Programming• N/AConsiderations• N/ACaller IDDescriptionA properly equipped DBS 576 supports Caller ID, a service offered by the network telephone serviceprovider. The CO sends calling number information to the DBS 576 after the first ring. Users whohave display telephones can see Caller ID information as incoming calls ring at their extension andcan have access to previous calls via the Caller ID Call Log feature. The Caller ID number is recordedin SMDR.Hardware Requirements• Loop-start trunk card (VB-44510)• Caller ID circuit card (VB-44513)Related Programming• FF2-0: Caller ID• FF2-0: Caller ID Ring Control• FF3-0: Call Duration DisplayConsiderations• ISDN (PRI - T Point) can get calling party information.• Caller ID service must be ordered from the local telephone operating company or theinterexchange carrier.• Caller ID data is usually sent between the first and the second rings of the incoming trunk call.The trunk may be programmed to immediately ring at the station or wait until after the Caller IDdigits are received before ringing at the station. If the trunk is programmed to ring immediately,the Caller ID digits will not display until after they are received and processed.• Caller ID numbers may be denied from being sent for some callers (private). Some long distancecarriers may not provide Caller ID data (out of area).• Caller ID only support the single format (number only). Multiple format (number and name) isnot supported.