mber of forwards for which the original destination of the call or the Caller ID will continue to appear on the display of the ringing telephone. Number of buttons on each telephone instrument proposed which can be used for extension appearances. Number of speed dial numbers per telephone and system wide. Number of participant capacity on a conference call. Number of ports for each type of circuit board proposed. Number of spare slots in the cabinet as proposed. Number of ports for telephones and outside lines in the pro- posed system at its maximum capacity. Number of seconds for the set-up of an outgoing call. System Specifications Please base your pricing on the following requirements: One digital PBX. Two T-1/PRI circuit board for each 24 DID (direct inward dial) and both-way trunks. The Telecom Handbook $ 69 PURCHASING A PBX One T-1/PRI circuit board for access to a long distance carrier. Growth capacity in cabinet for a third T-1/PRI 20 Combination trunks (growth capacity in cabinet to 60) Two attendant consoles with DSS/Busy lamp field. 250 Multi-line digital display telephones with a minimum of ten buttons which can be programmed for line appearances and system feature access (Note: Line Appearance refers to a button on which a PBX extension is located) 50 Multi-line digital display telephones with a minimum of twenty buttons which can be programmed for line appear- ances and system feature access 8 Digital single line telephones Growth capacity in cabinet to add 40 multi-line telephones One system administration terminal and printer A call back modem to prevent unauthorized access into the remote maintenance port One Voice Mail system integrated with the proposed PBX. - 8 ports (Growth capacity in cabinet to 16 ports) One Voice Mail system administration terminal and printer (Please state if the same terminal and printer can be used for PBX system administration) For the above-described system, provide a total price and the components, showing how the price was computed. Once we have agreed upon the exte