Page 1230 of 1814 MCDN End to End Transparency553-2901-301 Standard 9.00 January 2002For NACD feature operation, see Network ACD: Description and Operation(553-3671-120).Direct Message Center call1 User A dials their MC DN or presses their MWK key.2 The MC rings. For ACD sets, the MCK lamp state shows the MC user’smessage indication state: lit if there is no message; slow flash if amessage is waiting; fast flash if there is bad data; dark if message waitingindication class of service is denied.3 The MC operator answers the call. For DN sets, the MCK lamp statereflects MC user’s message indication state.4 User B is connected to MC and is given their message by the MCoperator.5 The MC operator presses MCK key (if MCK lamp is flashing) to turn offmessage waiting indication at station B. The MCK lamp changes to dark.6 User A disconnects from the MC.Indirect Message Center call1 User A calls User B.2 User B has calls redirected to the MC (Call Forward all Calls or NoAnswer).3 Call is presented to the MC; MC rings; MC operator answers the call.4 If QSIG Diversion is configured, the MIK lamp has the lamp state thatreflects the MC user’s message indication state: lit if there is no message;flash if a message is waiting; fast flash if there is bad data; dark ifmessage waiting indication class of service is denied.User A is connectedto MC and leaves a message.5 If QSIG diversion is not configured, the MC operator activates theMessage Waiting indication in the following sequence:— MC operator puts the call On Hold, presses the MIK key and MIKlamp lights.— MC operator dials User B’s DN. The MIK lamp changes to the lampstate that reflects the MC user’s message indication state.
