AU2002228646A1 - Method of and apparatus for detecting tty type calls in cellular systems - Google Patents

Method of and apparatus for detecting tty type calls in cellular systems

Info

Publication number
AU2002228646A1
AU2002228646A1 AU2002228646A AU2864602A AU2002228646A1 AU 2002228646 A1 AU2002228646 A1 AU 2002228646A1 AU 2002228646 A AU2002228646 A AU 2002228646A AU 2864602 A AU2864602 A AU 2864602A AU 2002228646 A1 AU2002228646 A1 AU 2002228646A1
Authority
AU
Australia
Prior art keywords
detecting
cellular systems
type calls
tty type
tty
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU2002228646A
Inventor
Ayman Mostafa
Lundqvist Patrik
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ericsson Inc
Original Assignee
Ericsson Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Inc filed Critical Ericsson Inc
Publication of AU2002228646A1 publication Critical patent/AU2002228646A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/42025—Calling or Called party identification service
    • H04M3/42034—Calling party identification service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/42391—Systems providing special services or facilities to subscribers where the subscribers are hearing-impaired persons, e.g. telephone devices for the deaf
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/18—Service support devices; Network management devices
    • H04W88/181—Transcoding devices; Rate adaptation devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2207/00—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
    • H04M2207/18—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place wireless networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
AU2002228646A 2000-11-07 2001-11-05 Method of and apparatus for detecting tty type calls in cellular systems Abandoned AU2002228646A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US70786100A 2000-11-07 2000-11-07
US09/707,861 2000-11-07
PCT/US2001/044142 WO2002039762A2 (en) 2000-11-07 2001-11-05 Method of and apparatus for detecting tty type calls in cellular systems

Publications (1)

Publication Number Publication Date
AU2002228646A1 true AU2002228646A1 (en) 2002-05-21

Family

ID=24843449

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002228646A Abandoned AU2002228646A1 (en) 2000-11-07 2001-11-05 Method of and apparatus for detecting tty type calls in cellular systems

Country Status (2)

Country Link
AU (1) AU2002228646A1 (en)
WO (1) WO2002039762A2 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5257401A (en) * 1989-04-17 1993-10-26 Telefonaktiebolaget L M Ericsson Method of maintaining an established connection in a mobile radio system comprising both analog and digital radio channels
TW253088B (en) * 1992-10-02 1995-08-01 Ericsson Telefon Ab L M
US5666649A (en) * 1994-09-01 1997-09-09 Ericsson Inc. Communications system having variable system performance capability
US6205339B1 (en) * 1998-07-13 2001-03-20 Qualcomm Inc. Method and apparatus for establishing TDD/TTY service over vocoded channels
AU6533799A (en) * 1999-01-11 2000-07-13 Lucent Technologies Inc. Method for transmitting data in wireless speech channels
EP1037486A3 (en) * 1999-03-16 2001-06-27 Siemens Aktiengesellschaft Method and system for selection of a transmission channel in a communication system
US6345251B1 (en) * 1999-06-15 2002-02-05 Telefonaktiebolaget Lm Ericsson (Publ) Low-rate speech coder for non-speech data transmission

Also Published As

Publication number Publication date
WO2002039762A2 (en) 2002-05-16
WO2002039762A3 (en) 2003-02-13

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