UNIVERGE SV8100 Issue 5.0CO Message Waiting Indication 2 - 295CO Message Waiting IndicationDescriptionThis feature provides a Message Waiting indication when Voice Mail from the Central Office is used. TheCO provides this feature using Visual Message Waiting Indication (VMWI) standards. Visual MessageWaiting Indication alerts a user that a message is present in their voice mail box. When VMWI isprovided, the UNIVERGE SV8100 provides a flashing LED on a line key assigned with the trunkappearance.The VMWI standard supported by the UNIVERGE SV8100 includes: Type 1 Caller ID, FSK without power ringing using the MDMF protocol Type 1 Caller ID, FSK without power ringing using the SDMF protocolConditions When a new message is stored in the CO Voice Mail system, the LED flashes green (0.5sec ON, 0.5 sec OFF) on the Direct Trunk Appearance line key at stations assigned for thisfeature. When the Direct Trunk Appearance line key is used by other ports during green blink(flutter), the line key becomes in use and LED is turned on red. When the station is using a DTL-8LD telephone, <> flashes on the LCD of a Direct Trunkappearance line key to indicate a new message is stored in the CO voice mail system. A local Voice Mail system and this feature can be supported in the same system. When power outage or some other reason causes the Central Office – Message WaitingIndication (CO-MWI) to be out of synchronization with the system, an Attendant Positioncan clear the CO-MWI per CO line. The CO-MWI Callback Speed Dial number uses System Speed Dial Area. This feature is supported at multiline terminals and DSS Consoles assigned with a directline key appearance of the CO/PBX line key supporting this feature and with proper Classof Service assignment. When additional digits (e.g., for password) are included in the CO Message WaitingIndication System Speed Dial buffer, they must be separated by pauses to allowconnection to the CO Voice Mail system. A Single Line Telephone or Wireless DECT (SIP) Handset cannot indicate the CO-MWI. The Message Display Board does not support the CO-MWI.