Call screening in wireless systems

Details Call screening in wireless systems Call screening in wireless systems

1999-05-05

2001-03-06

Maung, Nay (Department: 2681)

Telecommunications

Radiotelephone system

Message storage or retrieval

C455S566000, C379S088130, C379S211010

Reexamination Certificate

active

06198916

ABSTRACT:

TECHNICAL FIELD
This invention relates to arrangements for permitting wireless customers to screen incoming calls. (Screening means deciding whether or not to accept a call.)
PROBLEM
Incoming calling line identification can be provided to wireless (both mobile, and fixed) customers, as well as to fixed line customers. While the identity of the caller, (if, in fact, it is passed on through the identification process), may be adequate information for making the decision as to whether or not to accept the call, in some cases, especially if the called party is very busy, only important calls from a particular caller should be accepted. In most cases, especially in the case of mobile wireless customers, no answering machine is available to allow the called party to listen for a few seconds, and then pick up the call. A problem of the prior art is that for calls terminating on wireless telephones, insufficient information is available to allow the called party to decide whether or not to accept the call.
SOLUTION
The above problem is solved, and an advance is made over the teachings of the prior art in accordance with this invention, wherein the opening portion of an incoming call is transmitted to a speech-to-text converter (STC), whose output text is then sent to the terminating wireless station for display on a display unit for that station, the called party can then decide whether or not to accept the call; the called party signals to the mobile switch serving the incoming call, and the mobile switching center then connects the call to the terminating wireless customer. Advantageously, such an arrangement allows the called customer to decide whether or not to accept the call, based not only on whether the calling line identification information is received, but also on the opening portion of the message that is being recorded for the calling telephone customer.
In accordance with one feature of the invention, if the called customer does not choose to answer the call, the call will continue to be connected to a voice mail system accessible from the mobile switching center (MSC) serving the terminating portion of the call.


REFERENCES:
patent: 5327486 (1994-07-01), Wolff et al.
patent: 5694455 (1997-12-01), Goodman
patent: 5930700 (1999-07-01), Pepper et al.
patent: 5995590 (1999-11-01), Brunet et al.
patent: 6018671 (2000-01-01), Bremer
patent: 6094574 (2000-07-01), Vance et al.

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