Telecommunications – Radiotelephone system – Special service
Reexamination Certificate
2007-07-31
2007-07-31
Cumming, William D. (Department: 2617)
Telecommunications
Radiotelephone system
Special service
Reexamination Certificate
active
10529403
ABSTRACT:
A method for providing absence information in a telecommunication system comprising several subscribers, wherein the absence information is produced and captured by a first subscriber terminal. The presence information is transmitted to a switching node and stored therein. The switching node transmits the absence information to a second subscriber terminal such that the absence information is continuously available. Known absence text and station guarding services are used to produce and store absence information.
REFERENCES:
patent: 2002/0078150 (2002-06-01), Thompson et al.
patent: 1 217 849 (2002-06-01), None
Cumming William D.
Siemens Aktiengesellschaft
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