WO1995006995B1 - Radiotelephone communications system with direct access to interoffice telephone trunk circuits and interface therefor - Google Patents
Radiotelephone communications system with direct access to interoffice telephone trunk circuits and interface thereforInfo
- Publication number
- WO1995006995B1 WO1995006995B1 PCT/US1994/009686 US9409686W WO9506995B1 WO 1995006995 B1 WO1995006995 B1 WO 1995006995B1 US 9409686 W US9409686 W US 9409686W WO 9506995 B1 WO9506995 B1 WO 9506995B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- telephone
- radiotelephone
- signaling
- supervision
- trunk circuit
- Prior art date
Links
- 230000011664 signaling Effects 0.000 claims abstract 37
- 230000002596 correlated Effects 0.000 claims 2
- 230000001808 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 230000001413 cellular Effects 0.000 claims 1
Abstract
An interface circuit (400) for use with a radiotelephone communications system (500) in which the interface circuit (400) is adapted to interface a trunk circuit (305) serving a telephone switching system (200) with a radiotelephone (201A) of the system using the trunk circuit supervision and signaling so that the switching system (200) and trunk circuit (305) have direct access to the radiotelephone system (500).
Claims
1. An interface circuit for interfacing a radiotelephone used in a radiotelephone communications system with a telephone trunk circuit used with a telephone switching system, the telephone trunk circuit being of a type which would normally be used as an interoffice telecommunications facility, the telephone trunk circuit utilizing supervision for effecting call origination and termination and signaling for effecting transfer of call routing information, the interface circuit comprising: first means adapted to interact with said supervision for interfacing said supervision with said radiotelephone for effecting a call origination and/or termination; and second means adapted to interact with said signaling for interfacing said signaling with said radiotelephone for effecting transfer of call routing information.
2. An interface circuit in accordance with claim 1 wherein: said supervision for effecting call origination and/or termination comprises one or more of: E&M signaling; loop reverse battery signaling; duplex signaling; single frequency signaling; digital multiplexed signaling; labeled messages; or CCS, SS7 or ISDN messages; and said signaling for effecting transfer of call routing information comprises one or more of: multi-
35 frequency Rl; multi-frequency R2; DTMF; dial pulse; labeled messages; or CCS, SS7 or ISDN messages.
3. An interface circuit in accordance with claim 2 wherein: said supervision includes: a state change of supervision to indicate start of routing information transfer; a state change of supervision for answer supervision.
4. An interface circuit in accordance with claim 2 wherein: said telephone trunk circuit comprises one or more of: a two-wire telephone trunk circuit; a four-wire telephone trunk circuit; a labeled message based telephone trunk circuit; or a CCS, SS7 or ISDN telephone trunk circuit.
5. An interface circuit in accordance with claim 1 wherein: said telephone switching system comprises one or more of: a PBX, a private or public central office, a public or private access tandem switch or a radiotelephone switching office.
6. A telephone system comprising: a radiotelephone communications system including: one or more radiotelephones; one or more base stations for radio communicating with one or more of said radiotelephones; a radiotelephone switching office for
3 6 selectively connecting calls between radiotelephones via said base stations; a further system including: one or more first telephone stations; a telephone switching system for coupling calls to and from said one or more first telephone stations; a telephone trunk circuit used with said telephone switching system, said telephone trunk circuit being of a type which would normally be used as an interoffice telecommunications facility, said telephone trunk circuit utilizing supervision for effecting call origination and/or termination and signaling for effecting transfer of call routing information; and an interface circuit for interfacing a first of said radiotelephones with said telephone trunk circuit so that calls can be routed between said radiotelephone communications system and said first telephone stations of said further system through said telephone switching system comprising: first means adapted to interact with said supervision for interfacing said supervision with said first radiotelephone for effecting a call origination and/or termination; and second means adapted to interact with said signaling for interfacing said signaling with said first radiotelephone for effecting transfer of call routing information.
7. A telephone system in accordance with claim 6 wherein: said supervision for call origination and/or termination comprises one or more of: E&M signaling; loop reverse battery signaling; duplex signaling; single frequency signaling; digital multiplexed signaling; labeled messages; or CCS, SS7 or ISDN messages; and said signaling for effecting transfer of call routing information comprises one or more of: multi- frequency Rl; multi-frequency R2; DTMF; dial pulse; labeled messages; or CCS, SS7 or ISDN messages.
8. A telephone system in accordance with claim 7 wherein: said supervision includes: a state change of supervision to indicate start of routing information transfer; and a state change of supervision for answer supervision.
9. A telephone system in accordance with claim 7 wherein: said telephone trunk circuit comprises one or more of: a two-wire telephone trunk circuit; a four-wire telephone trunk circuit; a labeled message based telephone trunk circuit; or a CCS, SS7 or ISDN telephone trunk circuit 10. A telephone system in accordance with claim 6 wherein: said telephone switching system comprises one or more of: a PBX, a private or public central office, a private or public access tandem switch or a radiotelephone switching office.
3 8 11. A telephone system in accordance with claim 6 wherein: said further system further includes: a public switched telephone network; one or more second telephone stations connected to said public switched telephone network; said public switched telephone network being coupled to said radiotelephone switching office so that calls can be coupled between a second telephone station and a radiotelephone and/or first telephone station served by the radiotelephone communications system. 12. A telephone system in accordance with claim 11 wherein: said radiotelephone communications system further comprises: routing correlator (RC) means having a correlation table for correlating the routing numbers of said first subscriber telephone stations with the routing number of said first radiotelephone interfaced by said interface circuit; and said radiotelephone switching office and said RC cooperating such that calls from said second telephone stations routed to said cellular radiotelephone switching office are routed by said radiotelephone switching office to said RC to determine from said correlation table whether the routed call is to a routing number of a first telephone station correlated to said interfaced first radiotelephone and if so routing said call to said interfaced radiotelephone and transmitting said routing
39 number to said interfaced first radiotelephone and said interface. 13. A method for interfacing a radiotelephone used in a radiotelephone communications system with a telephone trunk circuit used with a telephone switching system, the telephone trunk circuit being of a type which would normally be used as an interoffice telecommunications facility, the telephone trunk circuit utilizing supervision for effecting call origination and termination and signaling for effecting transfer of call routing information, the method comprising: interacting with said supervision for interfacing said supervision with said radiotelephone for effecting a call origination and/or termination; and interacting with said signaling for interfacing said signaling with said radiotelephone for effecting transfer of call routing information. 14. A method in accordance with claim 13 wherein: said supervision for effecting call origination and/or termination comprises one or more of: E&M signaling; loop reverse battery signaling; duplex signaling; single frequency signaling; digital multiplexed signaling; labeled messages; or CCS, SS7 or ISDN messages; and said signaling for effecting transfer of call routing information comprises one or more of: multi- frequency Rl; multi-frequency R2; DTMF; dial pulse; labeled messages; or CCS, SS7 or ISDN messages. 15. A method in accordance with claim 14 wherein:
4 0 said supervision includes: a state change of supervision to indicate start of routing information transfer; a state change of supervision for answer supervision. 16. A method in accordance with claim 13 wherein: said telephone switching system comprises one or more of: a PBX, a public or private central office, a public or private access tandem switch or a radiotelephone switching office. 17. A method of operating a telephone system comprising: providing a radiotelephone communications system including: one or more radiotelephones; one or more base stations for radio communicating with one or more of said radiotelephones; a radiotelephone switching office for selectively connecting calls between radiotelephones via said base stations; providing a further system including: one or more first telephone stations; a telephone switching system for coupling calls to and from said one or more first telephone stations; a telephone trunk circuit used with said telephone switching system, said telephone trunk circuit being of a type which would normally be used as an interoffice telecommunications facility, said telephone trunk circuit utilizing supervision for effecting call origination and/or termination and signaling for effecting transfer of call routing information;
4 1 and interfacing a first of said radiotelephones with said trunk circuit so that calls can be routed between said radiotelephone communications system and said first telephone stations of said further system through said telephone switching system comprising: interacting with said supervision for interfacing said supervision with said first radiotelephone for effecting a call origination and/or termination; and interacting with said signaling for interfacing said signaling with said first radiotelephone for effecting transfer of call routing information. 18. A method in accordance with claim 17 wherein: said supervision for call origination and/or termination comprises one or more of: E&M signaling; loop reverse battery signaling; duplex signaling; single frequency signaling; digital multiplexed signaling; labeled messages; or CCS, SS7 or ISDN messages; and said signaling for effecting transfer of call routing information comprises one or more of: multi- frequency Rl; multi-frequency R2; DTMF; dial pulse; labeled messages; or CCS, SS7 or ISDN messages. 19. A method in accordance with claim 18 wherein: said supervision includes: a state change of supervision to indicate start of routing information transfer; and a state change of supervision for answer supervision. 20. A method in accordance with claim 18 wherein:
4 2 said telephone trunk circuit comprises one or more of: a two-wire telephone trunk circuit; a four-wire telephone trunk circuit; a labeled message based telephone trunk circuit; or a CCS, SS7 or ISDN telephone trunk circuit. 21. A method in accordance with claim 17 wherein: said telephone switching system comprises one or more of a: PBX, a private or public central office, a private or public access tandem switch or a radiotelephone switching office. 22. A method in accordance with claim 17 wherein: said further system further includes: a public switched telephone network; one or more second telephone stations connected to said public switched telephone network; said public switched telephone network being coupled to said radiotelephone switching office so that calls can be coupled between a second telephone station and a radiotelephone and/or first telephone station served by the radiotelephone communications system. 23. A method in accordance with claim 22 wherein: said radiotelephone communications system further comprises: routing correlator (RC) means having a correlation table for correlating the routing number of said first subscriber telephone stations with the routing number of said first radiotelephone interfaced by said interface circuit; and said radiotelephone switching office and said RC cooperating such that calls from said second telephone
43 stations routed to said radiotelephone switching office are routed by said radiotelephone switching office to said RC to determine from said correlation table whether the routed call is to a routing number of a first telephone station correlated to said interfaced first radiotelephone and if so routing said call to said interfaced first radiotelephone and said interface.
4 4
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU76756/94A AU681908B2 (en) | 1993-08-31 | 1994-08-25 | Radiotelephone communications system with direct access to interoffice telephone trunk circuits and interface therefor |
| DE4496552T DE4496552T1 (en) | 1993-08-31 | 1994-08-25 | Radio telephone communication system with direct access to telephone trunk circuits between offices and interface therefor |
| DK048795A DK48795A (en) | 1993-08-31 | 1995-04-25 | Radio communication system with direct access to the central connection circuit and interface to the same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11464893A | 1993-08-31 | 1993-08-31 | |
| US08/114,648 | 1993-08-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO1995006995A1 WO1995006995A1 (en) | 1995-03-09 |
| WO1995006995B1 true WO1995006995B1 (en) | 1995-03-30 |
Family
ID=22356562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US1994/009686 WO1995006995A1 (en) | 1993-08-31 | 1994-08-25 | Radiotelephone communications system with direct access to interoffice telephone trunk circuits and interface therefor |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US5544227A (en) |
| CN (1) | CN1114124A (en) |
| AU (1) | AU681908B2 (en) |
| CA (1) | CA2144859A1 (en) |
| CO (1) | CO4180414A1 (en) |
| DE (1) | DE4496552T1 (en) |
| DK (1) | DK48795A (en) |
| NZ (1) | NZ273468A (en) |
| UY (1) | UY23711A1 (en) |
| WO (1) | WO1995006995A1 (en) |
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-
1993
- 1993-12-09 CO CO93421895A patent/CO4180414A1/en unknown
-
1994
- 1994-01-10 UY UY23711A patent/UY23711A1/en not_active IP Right Cessation
- 1994-08-25 AU AU76756/94A patent/AU681908B2/en not_active Ceased
- 1994-08-25 DE DE4496552T patent/DE4496552T1/en not_active Withdrawn
- 1994-08-25 WO PCT/US1994/009686 patent/WO1995006995A1/en active Application Filing
- 1994-08-25 CN CN94190645A patent/CN1114124A/en active Pending
- 1994-08-25 NZ NZ273468A patent/NZ273468A/en unknown
- 1994-08-25 CA CA002144859A patent/CA2144859A1/en not_active Abandoned
-
1995
- 1995-04-25 DK DK048795A patent/DK48795A/en not_active Application Discontinuation
- 1995-06-07 US US08/474,522 patent/US5544227A/en not_active Expired - Lifetime
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