Technique for use in processing personal telephone calls

Details Technique for use in processing personal telephone calls Technique for use in processing personal telephone calls

1994-11-30

1998-01-06

Matar, Ahmad F.

Telephonic communications

Special services

Call diversion

379207, 379 58, 379213, H04M 354

Patent

active

057063397

ABSTRACT:
In a personal communication service (PCS) environment, where a call to a personal telephone number may be routed to a sequence of telephone numbers until the call is answered or abandoned, and where it is possible that the destination telephones indicated in the sequence may be disconnected telephones such that they are unreachable from any network, a method for avoiding wasteful attempts to route the call by a) determining if any telephone numbers of the sequence correspond to disconnected telephones, and, if so, b) skipping over such telephone numbers, i.e., those of disconnected telephones, so that no attempt is made to complete a PCS call to a disconnected telephone.

REFERENCES:
patent: 5206901 (1993-04-01), Harlow et al.
patent: 5276731 (1994-01-01), Arbel
patent: 5329578 (1994-07-01), Brennan et al.
"The Short Message Service", Reports of the Specialty Conference of the Information Technology Society, Sep. 27-29, 1993. pp. 517-526.

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