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Pbx Hybrid Networks Essay Research Paper PBX

Pbx Hybrid Networks Essay, Research Paper


PBX and Key/Hybrid Systems


PBX and Key systems are the wave of communication for business everywhere. The key difference between PBX and Key/Hybrid systems are the amount of stations each can handle. Key systems are designed for clients with very small line size requirements and very basic needs. It usually handles between 16 to 48 stations. PBX systems on the other hand handle a lot more stations as well as more features and sophistication. PBX are designed for larger corporations and cost much more than a simple key system communication need. Another key advantage of PBX system is it allows for room for corporation growth over the years than that of a Key System or Hybrid system.


An example of a PBX system and some of its features is the Fujitsu BCS Series 3:1


Model


Series 3


Product Type


Digital PBX


FCC Registration Numbers


(Key) BJ885Z-60084-KF-E;


(Hybrid) BJ8USA-60083-MF-E


(PBX) BJ8USA-75355-PF-E


Date Announced


July 1993


Number of Systems Installed


Approximately 2,375 +


Line Capacity


480


Port Capacity


588


Trunk Capacity


4 to 240 (dependent on # of lines configured)


Simultaneous Calls Possible


294


Traffic Capacity (BHCAs)


10,000


Switching Matrix


TDM


Main System CPU


Fujitsu proprietary 8-bit or 16-bit CPU H5H5


Component Redundancy


Not available


Amt. of Main System Memory


1.5MB


ISDN Support


PRI only (BRI not available)


T-Carrier Support


Direct T1 interface


Wireless Support


SpectraLink WTS


Voice Messaging Support


Fujitsu TranSend/TranSend Lite unified messaging platform; Fujitsu’s IVS voice messaging platform; or various third-party voice

mail solutions. H6H6


ACD Support


Fujitsu Series 3 ACD; ACD Report Manager H7H7


Call Accounting Support


Integrates with Fujitsu’s Call Manager H8H8


PC Attendant Console


Optional


The features of the Fujitsu BCS Series 3 is what most would look at a well functioning PBX. The price rang of the phones of each line are between 300 and 500 dollars per line with a basic package of 6500 for the TransSend unified messaging platform.


An example of a functioning Key/Hybrid System is the Lucent Merlin Legend.


A couple features of this key system are:2


Digital key/hybrid/PBX/behind-Centrex system H2H2


Date Announced


August 1991


Date Installed


October 1991


FCC Registration Numbers


Key–AS593M-72914-KF-E; multifunction hybrid–AS593M-72682-MF-E H3H3


Target Market


Small- to medium-sized businesses


General Specifications


Digital Station Capacity


200


Line Capacity


80


Simultaneous Calls Possible


108


Switching Matrix


Time division


Type of Processor


Centralized 68000 microprocessor


Type/Amount of Main Memory (bytes)


896K RAM


Port Capacity


280


As you can tell the system is can not handle as much as the PBX system but for small business the Merlin Legend is a perfect fit. The price of the key/hybrid system the basic Merlin Legend Release 7.0 module retails for US$1,494. As you can tell that is a steep difference in price between the two.


In conclusion when comparing the key system and PBX you compromise the features and price. With the PBX of the Fujitsu you spend so much more money but you get a lot of different features as well as the ablility to grow and become a bigger corporation with larger features. The Key system just leaves you with the bare requirements for your small business

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