Nortel Meridian Meridian 1 Implementation Manual

Also see for 1000 Con?guration guide: Brochure Reference User manual Overview User guide

Contents

Page 24 of 208553-3001-358 Standard 1.00 October 2003MICB operationThe MICB provides flexibility in configuring conferences. Configureconferences as follows:• pre-scheduled conferences with a fixed number of ports andstart/stop times• pre-scheduled conferences with a variable numbers of ports, whereports are added when required (if available) and subtracted by thesystem automatically as conferees leave the conference• permanent bridges with fixed numbers of ports that can be usedwithout pre-scheduling the conferenceThe minimum duration of a conference is 15 minutes and the maximumduration of a time-limited conference is 12 hours. The conferencestarting time and duration can be scheduled in increments of 15minutes.The MICB card continuously monitors the audio signal level receivedfrom each conferee and selects the two loudest signals fortransmission. The two loudest signals are summed and inserted intothe PCM sample prior to their transmission to other conferees. Thisimplementation of the two loudest signals improves the interruptingcapability of a conference connection and allows normal two-wayconversation that all conferees can hear.In addition to the conferee timeslots, the MICB provides a timeslotbetween the MPU and the DSP. This timeslot transmits messageprompts, entry and exit tones, or both that the system broadcasts to allconferees when requested by the MPU.The MICB uses ACD features to route external incoming trunk and localline conferees to their appropriate conferences. The ACD featuresprovide queuing, chairperson features, and event reporting for eachconference.The ACD features used by the MICB card provide the following:• easy software configuration• incoming calls, announcement on arrival, call management, andreporting queues• operational statistics reports• enhanced call routing