Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1997-04-29
1999-08-17
Kuntz, Curtis A.
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455560, 455445, 379219, H04M 1100, H04Q 722
Patent
active
059407590
ABSTRACT:
The invention relates to a setting-up of calls of different types between a subscriber and a mobile subscriber of a mobile radio communication network. The subscriber can initiate calls of different types by specifying compatibility information in the call set-up request and a home location register (HLR) in the mobile radio communication network (PLMN) obtains all attributes of the mobile bearer capability needed for any specific type of call in the PLMN, even if the compatibility information is filtered due to the transfer of the call set-up request through the network protocols. Instead of having to remember a plurality of numbers for a plurality of different types of calls, the subscriber may only use one single number and the compatibility information to specify the entire requirements of bearer capabilities necessary to support the call in the PLMN. Instead of using the conventional multiple-numbering scheme, the invention regenerates missing bearer capability attributes by using a contour selection matching process.
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"Principles of Telecommunication Services Supported by a GSM Public Land Mobile Network" (GSM 02.01, ETSI, May 1994.
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Digital Subscriber Signalling System No. 1 (DSS 1) -- ISDN User-Network Interface Layer 3, Specification for Basic Call Control; ITU-T Recommendations Q-931, Mar. 1993.
"ISDN Access Call Control Switching and Signalling Requirements -- Supplement 1", Bellcore Jun. 1990.
"Integrated Services Digital Network (ISDN); User-network Interface Layer 3; Specifications for Basic Call Control" ETSI, Dec. 1990.
"European Digital Cellular Telecommunications System (Phase 2); General on Terminal Adaptation Functions (TAF) for Mobile Stations (MS)" (GSM 07.01), ETSI, Sep. 1995.
"Specifications of Signalling System No. 7" Recommendations Q721-Q766, CCIT, Geneva 1986, pp. 221, 238, 239.
Herrero Juan Sanches
Lopez-Torres Oscar
Kuntz Curtis A.
Telefonaktiebolaget LM Ericsson
Tieu Binh K.
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