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| Control signal transmission in digital radio telephony |
| We claim: 1. A method of transmission of system broadcast control signals in time slots within ... |
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| Paging transceivers and methods for selectively retrieving messages |
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| Mobile terminal for transmission diversity CDMA communication system |
| What is claimed is: 1. A mobile terminal which transmits a control command to a base station which ... |
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| Telephone having an audio response function |
| OF THE PREFERRED EMBODIMENTS Referring to FIG. 1, a telephone having an automatic audio response ... |
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| Communication device and method of operation |
| OF EMBODIMENTS Embodiments of the present invention are described below, by way of example only. T... |
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| Portable electronic device |
| OF THE INVENTION At first, the first embodiment will be explained with reference to FIG. 1. In the ... |
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| Portable communication apparatus having a hierarchical menu system and a dynamic menu |
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System and method of forwarding data calls in a radio telecommunications network
| Details |
Inventors: Joong, Donald; Sicher, Alan; Houde, Michel;
Assignee: Telefonaktiebolaget L M Ericsson (publ) (Stockholm, SE)
Primary Examiner: Bost; Dwayne D.
Assistant Examiner: Persino; Raymond B.
Attorney, Agent or Firm: Smith & Danamraj, P.C.
In a radio telecommunications network, a system and method of providing service differentiation for call forwarding based upon the type of call. The system provides network support that allows the forwarding of calls of different types to appropriate devices for each type of call, as identified by the call's service code. The system determines whether a call to a mobile station is a data call, and if it is a data call, provides the network support for forwarding the call to a different number than voice calls. A Service Type parameter is added to ANSI-41 signaling messages to inform various nodes in the network of the type of call. The network includes a home location register/service control point (HLR/SCP) with a database of call forwarding (transfer) numbers for its served mobile stations. The database records at least one transfer number for each type of service. Service logic in the HLR/SCP associates the type of call with the appropriate transfer number. In this manner, incoming data calls such as G3Fax calls are forwarded to an alternate fax machine, a fax mailbox, or some other device capable of storing the data rather than a voice mailbox. The system and method are applicable to forwarding any type of data service, and are not limited to ADS and G3 Fax calls. |
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DETAILED DESCRIPTION The present invention is a system and method of providing service differentiation for call forwarding based upon the type of call.
The present invention provides network support that allows the forwarding of calls of different types to appropriate devices for each type of call, as identified by the call's service code.
For example, the present invention determines whether the call is a data call, and if it is a data call, the present invention provides the network support for forwarding the call to a different number than voice calls.
For example, an incoming call identified as a G3Fax call is transferred to an alternate fax machine or a fax mailbox, or some other device capable of storing the data rather than a voice mailbox.
The present invention is applicable to forwarding any type of service other than voice, and is not limited to ADS and G3 Fax calls.
Thus, in one aspect, the present invention is a system in a radio telecommunications network for forwarding a voice call to a first transfer number and forwarding a data call to a second transfer number.
The system includes means for determining whether an incoming call from a calling party for a mobile station is a data call, and means for determining whether the mobile station is available to take the call.
The system also includes means for forwarding the incoming call to the first transfer number upon determining that the incoming call is not a data call, and the mobile station is not available to take the call.
The system also includes means for forwarding the incoming call to the second transfer number upon determining that the incoming call is a data call, and the mobile station is not available or is currently not capable of taking the call, or the network cannot service the call.
In another aspect, the present invention is a method in a radio telecommunications network of forwarding a voice call to a first transfer number and forwarding a data call to a second transfer number.
The method begins by determining whether an incoming call from a calling party for a mobile station is a data call, determining whether the mobile station is available to take the call, and forwarding the incoming call to the first transfer number upon determining that the incoming call is not a data call, and the mobile station is not available to take the call
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