Specifications NexPath CBTI
At the heart of the Nexpath computer telephony system is a low cost,
IBM-PC compatible, proprietary printed circuit card that implements the
telephony functions and connects to the standard PC/ISA  Bus.
Each system is composed of one or more of these circuit cards that provide
the full functionality for the combined features of auto-attendant, voice-mail,
conferencing, and call switching functions. This revolutionary, low-cost
technology is made possible by special custom integrated circuits on each
card to implement the telephone system features.
The NexPath telephone system is fully digital, using 64 kbits/second
digitization on all signal paths. This, in conjunction with high quality
components, allows modem and fax signals to pass transparently. Any line
in the system can be used with a fax or modem attached without special
adaptors!
Fully digital conferencing is provided with up to four parties in the conference,
any combination of inside or outside lines.
Caller-ID is passed through to all inside lines, so that standard commercial
caller-id ready telephones can be used. Both Caller Name and Caller Number are
detected and decoded. In addition, the system software
can decode caller-id and provide the information to other APIs.
Each card has the following specifications:
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3 loop start outside (telco or trunk) lines; |
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5 inside lines; |
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64 kilobit per second digitization (full telephony bandwidth); |
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Uses conventional analog telephones; |
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Distinctive ringing; |
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Caller-ID pass through and decoding; |
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Power fail by-pass on all telco lines; |
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On-card ringing voltage generation- no external power supplies needed; |
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Each card supports up to two conferences of four parties each (fully
digital); |
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Up to seventeen cards per system (136 ports total). |
The above features translate to significant benefits to the small
business owner. By supporting conventional analog telephones, expensive
proprietary sets are avoided and the user can buy the phone he or she needs.
The use of standard PC interfaces and components means taking advantage
of volume economies and low cost to the consumer. Advanced telephony features
all on a single, simple interface card means reliability and ease of configuration
and maintenance. And finally, if all else fails, power fail bypass relays
on all outside lines, along with the use of standard loop-start lines,
means basic phone service is always available in the event of a system
failure or power outage.
Connections are made to each card using conventional RJ-11 style
jacks. This makes the installation simple and within the capabilities of
the small business owner.
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