System and method for subscriber line service control

Details System and method for subscriber line service control System and method for subscriber line service control

1998-08-24

2000-03-07

Smith, Creighton

Telephonic communications

Special services

Service trigger

379201, 379114, H04M 342

Patent

active

060350296

ABSTRACT:
A signal band width limiter is provided in a telecommunication path that includes a leased unbundled subscriber line. The limiter may be a low pass frequency filter having a band pass range set to the frequencies corresponding to subscribed services. If only POTS service is offered, the filter has a passband range for passing only telephone service signals in a POTS analog frequency range. For ISDN service, the filter has a passband range for passing only telephone service signals within a frequency range prescribed for ISDN. For higher speed data services, such as HDSL and ADSL, filters with appropriate pass bands, up to complete pass through, are provided in the subscriber communication path. As the subscribed service is changed, replacement by the appropriate passband filter readily can be made.

REFERENCES:
patent: 5200993 (1993-04-01), Wheeler et al.
patent: 5247347 (1993-09-01), Litteral et al.
patent: 5528281 (1996-06-01), Grady et al.
patent: 5774530 (1998-06-01), Montgomery et al.
patent: 5790174 (1998-08-01), Richard, III et al.
patent: 5809120 (1998-09-01), Montgomery et al.

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