Section 700 - Operation Chapter 3. System FeaturesICX-35-700 ICX (International), issued March/1998 27Call Progress TonesDescriptionThe System supplies a full array of call progress tones. These tones provide audible indications of thestatus of calls and include dial tone, busy tone, ringback tone, error tone, confirmation tone, andsplash tone. The complete specification for these tones may be found in Section 300 - Installation.In addition to call progress tones, Direct Station Select (DSS) Light Emitting Diodes (LEDs) and thedisplay provide additional indication of the status of calls.Hardware Requirements• N/AConsiderations• N/ACaller IDDescription(Note: Analog Caller ID is not available in the UK model).A properly equipped ICX supports Caller ID, a service offered by the network telephone serviceprovider. The trunk sends calling number information to the ICX after the first ring. Users who havedisplay telephones can see Caller ID information as incoming calls ring at their extension and canhave access to previous calls via the Caller ID Call Log feature. The Caller ID number is recorded inCall Logging.Hardware Requirements• Loop-start trunk card (VB-44510)• Caller ID circuit card (VB-44513)Considerations• 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.
