CA2076285C - Calling line identification - Google Patents
Calling line identificationInfo
- Publication number
- CA2076285C CA2076285C CA002076285A CA2076285A CA2076285C CA 2076285 C CA2076285 C CA 2076285C CA 002076285 A CA002076285 A CA 002076285A CA 2076285 A CA2076285 A CA 2076285A CA 2076285 C CA2076285 C CA 2076285C
- Authority
- CA
- Canada
- Prior art keywords
- iclid
- calling
- call
- customer
- telephone
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- H04M3/487—Arrangements for providing information services, e.g. recorded voice services or time announcements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/57—Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set
-
- 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
- H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
- H04M3/53—Centralised arrangements for recording incoming messages, i.e. mailbox systems
- H04M3/533—Voice mail systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/57—Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set
- H04M1/571—Blocking transmission of caller identification to called party
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2242/00—Special services or facilities
- H04M2242/22—Automatic class or number identification arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/38—Graded-service arrangements, i.e. some subscribers prevented from establishing certain connections
- H04M3/382—Graded-service arrangements, i.e. some subscribers prevented from establishing certain connections using authorisation codes or passwords
-
- 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
- H04M3/42042—Notifying the called party of information on the calling party
-
- 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
- H04M3/42229—Personal communication services, i.e. services related to one subscriber independent of his terminal and/or location
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/72—Finding out and indicating number of calling subscriber
Abstract
This invention relates to a method and apparatus for specifying alternate numbers for use as Incoming Calling Line Identification (ICLID) numbers. On a calling card call, the caller may specify whether the calling card number or thetelephone number of the caller telephone station is to be used as the ICLID number.
Alternatively or in addition, the caller may provide an identification number comprising a personal identification number and a telephone number and indicate that that telephone number be used as the ICLID number. Advantageously, callers may identify themselves, for the purposes of ICLID, with their home or business telephone number even when they are calling from a different telephone station.
Alternatively or in addition, the caller may provide an identification number comprising a personal identification number and a telephone number and indicate that that telephone number be used as the ICLID number. Advantageously, callers may identify themselves, for the purposes of ICLID, with their home or business telephone number even when they are calling from a different telephone station.
Description
CALLING LINE IDENTIFICATION
Technical Field This invention relates to caller identification on telecommunications calls.
5 Problems Incoming calling line identification (ICLID) is becoming an increasingly popular service. With ICLID the called customer receives the identification of the caller. This identification can be used by the called customer to make a conscious decision as to whether or not to answer the call or to properly prepare mentally to 10 answer the call. In addition, ICLID, in conjunction with such services as local area signaling services (LASS) can be used for selectively completing the call for people or computer systems that wish to accept calls only from certain callers, rejecting calls for people who wish to reject calls from certain callers, to provide special alerting signals in case the call is from one of a select group of callers, or to 15 forward calls from selected callers.
A problem arises when the caller is not at his/her home telephone. For example, if the caller is at an airport and is making a calling card call, the ICLID
number that is received and used at the switching system serving the called customer is the number of the pay telephone station at the airport and not the 20 number that is listed for the called customer's LASS services or the number that would be recognized by the called customer. Accordingly, a problem of the prior art is that ICLID service, by identifying the telephone station from which a call originates, does not present, to the called customer and the switching system serving that called customer, the information needed to properly serve a call when the caller 25 is calling from a telephone station other than his/her home or business telephone station.
Solution This problem is solved and an advance is made over the prior art in accordance with applicant's invention wherein, in a departure from the prior art, a 30 calling customer is provided the option of having the number of his calling station or some other number used as the incoming call line identification number (ICLID) number.
~f ~ ., - la- 2076285 In accordance with one aspect of the invention there is provided in a telephone network, a method of indicating a number for use as an incoming calling line identification (ICLID) number, comprising the steps of: in an originating telephone switching system, interpreting dialing signals from a calling customer to 5 specify a choice of an ICLID number, other than the calling telephone number, for a call; and in a common channel signaling message from the originating system to aterminating switching system serving a called customer of said call, transmitting data including the specified ICLID number and indication data for selecting the specified number for use as by said terminating system as ICLID data for said call.
In accordance with yet another aspect of the invention there is provided in a telecommunications switching system, apparatus for processing a telephone call comprising: means for transmitting common channel signaling messages toward a switching system for serving a called customer of said call; and processor means, operative under the control of a program and responsive to a selection provided by 15 dialing signals from a calling customer, for storing indication data for indicating which of a plurality of possible numbers is to be used as an Incoming Calling Line Identification (ICLID) number in said switching system for serving said called customer; said processor means, further operative under the control of said program, for inserting said indication data in a common channel signaling message to a 20 terminating switching system for controlling ICLID signaling to a telephone station of said called customer.
In accordance with one specific embodiment of the invention, if the customer is placing a calling card call the caller is given the option to indicate whether the calling card number or the telephone station number is to be used as the 25 ICLID number. Advantageously, the customer may indicate the calling card number ,..
Technical Field This invention relates to caller identification on telecommunications calls.
5 Problems Incoming calling line identification (ICLID) is becoming an increasingly popular service. With ICLID the called customer receives the identification of the caller. This identification can be used by the called customer to make a conscious decision as to whether or not to answer the call or to properly prepare mentally to 10 answer the call. In addition, ICLID, in conjunction with such services as local area signaling services (LASS) can be used for selectively completing the call for people or computer systems that wish to accept calls only from certain callers, rejecting calls for people who wish to reject calls from certain callers, to provide special alerting signals in case the call is from one of a select group of callers, or to 15 forward calls from selected callers.
A problem arises when the caller is not at his/her home telephone. For example, if the caller is at an airport and is making a calling card call, the ICLID
number that is received and used at the switching system serving the called customer is the number of the pay telephone station at the airport and not the 20 number that is listed for the called customer's LASS services or the number that would be recognized by the called customer. Accordingly, a problem of the prior art is that ICLID service, by identifying the telephone station from which a call originates, does not present, to the called customer and the switching system serving that called customer, the information needed to properly serve a call when the caller 25 is calling from a telephone station other than his/her home or business telephone station.
Solution This problem is solved and an advance is made over the prior art in accordance with applicant's invention wherein, in a departure from the prior art, a 30 calling customer is provided the option of having the number of his calling station or some other number used as the incoming call line identification number (ICLID) number.
~f ~ ., - la- 2076285 In accordance with one aspect of the invention there is provided in a telephone network, a method of indicating a number for use as an incoming calling line identification (ICLID) number, comprising the steps of: in an originating telephone switching system, interpreting dialing signals from a calling customer to 5 specify a choice of an ICLID number, other than the calling telephone number, for a call; and in a common channel signaling message from the originating system to aterminating switching system serving a called customer of said call, transmitting data including the specified ICLID number and indication data for selecting the specified number for use as by said terminating system as ICLID data for said call.
In accordance with yet another aspect of the invention there is provided in a telecommunications switching system, apparatus for processing a telephone call comprising: means for transmitting common channel signaling messages toward a switching system for serving a called customer of said call; and processor means, operative under the control of a program and responsive to a selection provided by 15 dialing signals from a calling customer, for storing indication data for indicating which of a plurality of possible numbers is to be used as an Incoming Calling Line Identification (ICLID) number in said switching system for serving said called customer; said processor means, further operative under the control of said program, for inserting said indication data in a common channel signaling message to a 20 terminating switching system for controlling ICLID signaling to a telephone station of said called customer.
In accordance with one specific embodiment of the invention, if the customer is placing a calling card call the caller is given the option to indicate whether the calling card number or the telephone station number is to be used as the 25 ICLID number. Advantageously, the customer may indicate the calling card number ,..
which may comprise the calling customer's home or business telephone number.
In accordance with one feature of the invention, the caller keys an identification llulllb~l, such as an identification number, for use as an ICLID number.
Advantageously, this identification number may be recognized by the called 5 customer station or the switching system serving that customer.
Brief De~ .lion of the Dl awil-~, FIGS. 1-3 are flow diagrams illustrating the specification and use of alternate ICLID numbers; and FIG. 4 is a block diagram of apparatus for using alternate ICLID
10 numbers.
Detailed Description FIG. 1 is a flow diagram of a method of carrying out applicant's invention. A customer dials a zero plus call (action block 101). A zero plus call is a call whose first digit is zero and whose subsequent digits are the digits of the15 di~lc~ number of the called customer. Responsive to receiving this dialed number, the switching system serving the calling customer applies a tone requesting the caller's calling card number (action block 103). The customer dials or enters the calling card number, p~ aps through the use of a card reader (action block 105).The actions of blocks 101, 103 and 105 are well known in the prior art. In a 20 de~ure from the prior art, the switch then prolllpL~ the customer to select the calling card number or the calling telephone number as the number to be used as the ICLID number by the swilching system serving the called customer (action block 107). Test 109 ~ietermines whether or not the customer selects a number type.
For example, the calling customer may key in " 1 " if the calling card number is to be 25 used and "2" if the calling telephone number is to be used. If the customer does not reply, then the switch will use a default number (action block 113), the defaultnumber being selected by the telephone ~dmini~tration. While, under present practice, this default number would probably be the telephone number of the calling telephone station, as applicant's invention is implemented, it may be found desirable 30 to use instead under the default basis the calling customer's calling card number. If the calling customer does select one of the number types, then the switch uses the selected choice of number (action block 111).
FIG. 2 illustrates the actions performed when a customer inserts a special number, such as a personal identification number, as a substitute for the 35 du~,~lc ly number normally used for ICLID. As illustrated in action box 201, the customer dials a prefix such as ## before dialing an identification number (IN), such as a telephone nu~ plus a personal idens;fic~tiQn number (PIN), and then delimits the identification number with another delimit~r such as **. The switch stores the IN
(action block 203) and the customer dials a regular telephone number (action block 205). The switch then fol ~v~ds the IN as the number selected for ICLID
5 (action block 207). The IN that is keyed by the customer may be a four digit personal PIN followed by a special directory number (SDN) for identifying the caller.
FIG. 3 illustrates what happens in the termin~ting switching office upon receipt of the CCS message that contains the ICLID number. The termin~ting office 10 receives the CCS message (action block 251). The tçrmin~ting office then selects the number in-licate~l in the message as lcyl~isen~ g the ICLID number as the number to be used for the ICLID number (action block 253). The terminating office then uses the selected number as the ICLID number (action block 255). The t-~rmin~ting office uses this ICLID number for any LASS features to which the called 15 customer subscribes and/or, as indicated in the companion patent application, for selecting an applol,liate greeting message for a voice messaging system. In the special case of an identification number comprising a personal identification number and a dih~toly number, the tennin~ting office verifies the accuracy of the personal identification number and then uses the directory nulll~l portion of the i~lentification 20 number as the ICLID number.
FIG. 4 is a block diagram to illustrate the invention. Two telephones, stations 301 and 303, are comleclcd to an ori~in~ting switch 305. The originating switch comprises a plwessol 307 c,~laling under the control of a program 309 to execute a~pr~liate portions of the sequences described in FIGS. 1 and 2.
25 Origin~*ng switch 305 is connected via a cc,lllmon channel signaling link 320(which may traverse one or more signal transfer points, not shown) to a telmin;~ting switch 331. The termin~*ng switch 331 comprises a processor 333 controlled by a program 335 for executing the program specified by the flow chart of FM. 3. The termin~*ng switch is connected to two telephone in~llulll~nls 341 comprising an 30 ICLID display 343 and 345 comprising an ICLID display 347. If telephone sta*on 301 dials 0 plus a di~ number and a calling card number, and indicates plGf~nce for the calling card number, then the ori in~*ng switch 305, using a data transceiver 310, will transmit a collu~lon channel ~i n~ling (CCS) message 323, which comprises an indicator that the calling card nulllber is the ICLID number, over 35 data link 320. The calling card number is then tr~n~mittç~ to the termin~tingtelephone sta*on 341. Similarly, telephone sta.*on 303 dials a number as illustrated in FIG. 2 compri~ing an initial $#~, an IN number, a clelimiter **, and a telmin~ting directory number. In this case, the originadng switch 305 under the control of processor 307 and program 309, transmits a CCS message 327 indicating that the IN
is the ICLID number. If the IN comprises a PIN and an SDN, the SDN is forwarded 5 to the termin~ting stadon 345. The data message is received in data transceiver 336 of termin~fing switch 331. This number would then be fol w~-led to terminating station 345 for display.
If the IN is a caller' s directory number and a personal identification number, the iatter can be checked in the terminating switch to verify that the caller 10 has the right to use the special directory number as an ICLID number for the call.
The term ICLID number as used herein refers to that number which is used by the termin~ting ~,wilching system for display at the customer's telephone (unless the number is private) and for use in connecdon with LASS features.
Clearly, dirr~ t numbers may be used for these two purposes, and the numbers 15 separately identified in the si n~ling mess~ge to the termin~ting switching system.
Currently the CCS messages bel~,en the originating switch and the termin~ting switch contain a plurality of numbers including both the calling telephone number and calling card number. In order to implement this invendon, only a one-byte space in the CCS mess~e needs to be allocated to accommodate the20 acquired indicadon data idel~tifyiilg which number is to be used for caller identificadon. In the pl~fell~d embcylim~nt~ if the caller keys an idenfificatit)n number, that llull~bel should be tr~ncmitte~ in a presently unused field of the Initial Address Message (IAM) tr~n~mitte~ to the termin~ting switch.
It is to be understood that the above descripdon is only of one plerel-~,d 25 embodiment of the invendon. Nulllelous other arrangellle~ may be devised by one skilled in the art without depardng from the scope of the invendon. The invention is thus limited only as defined in the accollll~anying claims.
In accordance with one feature of the invention, the caller keys an identification llulllb~l, such as an identification number, for use as an ICLID number.
Advantageously, this identification number may be recognized by the called 5 customer station or the switching system serving that customer.
Brief De~ .lion of the Dl awil-~, FIGS. 1-3 are flow diagrams illustrating the specification and use of alternate ICLID numbers; and FIG. 4 is a block diagram of apparatus for using alternate ICLID
10 numbers.
Detailed Description FIG. 1 is a flow diagram of a method of carrying out applicant's invention. A customer dials a zero plus call (action block 101). A zero plus call is a call whose first digit is zero and whose subsequent digits are the digits of the15 di~lc~ number of the called customer. Responsive to receiving this dialed number, the switching system serving the calling customer applies a tone requesting the caller's calling card number (action block 103). The customer dials or enters the calling card number, p~ aps through the use of a card reader (action block 105).The actions of blocks 101, 103 and 105 are well known in the prior art. In a 20 de~ure from the prior art, the switch then prolllpL~ the customer to select the calling card number or the calling telephone number as the number to be used as the ICLID number by the swilching system serving the called customer (action block 107). Test 109 ~ietermines whether or not the customer selects a number type.
For example, the calling customer may key in " 1 " if the calling card number is to be 25 used and "2" if the calling telephone number is to be used. If the customer does not reply, then the switch will use a default number (action block 113), the defaultnumber being selected by the telephone ~dmini~tration. While, under present practice, this default number would probably be the telephone number of the calling telephone station, as applicant's invention is implemented, it may be found desirable 30 to use instead under the default basis the calling customer's calling card number. If the calling customer does select one of the number types, then the switch uses the selected choice of number (action block 111).
FIG. 2 illustrates the actions performed when a customer inserts a special number, such as a personal identification number, as a substitute for the 35 du~,~lc ly number normally used for ICLID. As illustrated in action box 201, the customer dials a prefix such as ## before dialing an identification number (IN), such as a telephone nu~ plus a personal idens;fic~tiQn number (PIN), and then delimits the identification number with another delimit~r such as **. The switch stores the IN
(action block 203) and the customer dials a regular telephone number (action block 205). The switch then fol ~v~ds the IN as the number selected for ICLID
5 (action block 207). The IN that is keyed by the customer may be a four digit personal PIN followed by a special directory number (SDN) for identifying the caller.
FIG. 3 illustrates what happens in the termin~ting switching office upon receipt of the CCS message that contains the ICLID number. The termin~ting office 10 receives the CCS message (action block 251). The tçrmin~ting office then selects the number in-licate~l in the message as lcyl~isen~ g the ICLID number as the number to be used for the ICLID number (action block 253). The terminating office then uses the selected number as the ICLID number (action block 255). The t-~rmin~ting office uses this ICLID number for any LASS features to which the called 15 customer subscribes and/or, as indicated in the companion patent application, for selecting an applol,liate greeting message for a voice messaging system. In the special case of an identification number comprising a personal identification number and a dih~toly number, the tennin~ting office verifies the accuracy of the personal identification number and then uses the directory nulll~l portion of the i~lentification 20 number as the ICLID number.
FIG. 4 is a block diagram to illustrate the invention. Two telephones, stations 301 and 303, are comleclcd to an ori~in~ting switch 305. The originating switch comprises a plwessol 307 c,~laling under the control of a program 309 to execute a~pr~liate portions of the sequences described in FIGS. 1 and 2.
25 Origin~*ng switch 305 is connected via a cc,lllmon channel signaling link 320(which may traverse one or more signal transfer points, not shown) to a telmin;~ting switch 331. The termin~*ng switch 331 comprises a processor 333 controlled by a program 335 for executing the program specified by the flow chart of FM. 3. The termin~*ng switch is connected to two telephone in~llulll~nls 341 comprising an 30 ICLID display 343 and 345 comprising an ICLID display 347. If telephone sta*on 301 dials 0 plus a di~ number and a calling card number, and indicates plGf~nce for the calling card number, then the ori in~*ng switch 305, using a data transceiver 310, will transmit a collu~lon channel ~i n~ling (CCS) message 323, which comprises an indicator that the calling card nulllber is the ICLID number, over 35 data link 320. The calling card number is then tr~n~mittç~ to the termin~tingtelephone sta*on 341. Similarly, telephone sta.*on 303 dials a number as illustrated in FIG. 2 compri~ing an initial $#~, an IN number, a clelimiter **, and a telmin~ting directory number. In this case, the originadng switch 305 under the control of processor 307 and program 309, transmits a CCS message 327 indicating that the IN
is the ICLID number. If the IN comprises a PIN and an SDN, the SDN is forwarded 5 to the termin~ting stadon 345. The data message is received in data transceiver 336 of termin~fing switch 331. This number would then be fol w~-led to terminating station 345 for display.
If the IN is a caller' s directory number and a personal identification number, the iatter can be checked in the terminating switch to verify that the caller 10 has the right to use the special directory number as an ICLID number for the call.
The term ICLID number as used herein refers to that number which is used by the termin~ting ~,wilching system for display at the customer's telephone (unless the number is private) and for use in connecdon with LASS features.
Clearly, dirr~ t numbers may be used for these two purposes, and the numbers 15 separately identified in the si n~ling mess~ge to the termin~ting switching system.
Currently the CCS messages bel~,en the originating switch and the termin~ting switch contain a plurality of numbers including both the calling telephone number and calling card number. In order to implement this invendon, only a one-byte space in the CCS mess~e needs to be allocated to accommodate the20 acquired indicadon data idel~tifyiilg which number is to be used for caller identificadon. In the pl~fell~d embcylim~nt~ if the caller keys an idenfificatit)n number, that llull~bel should be tr~ncmitte~ in a presently unused field of the Initial Address Message (IAM) tr~n~mitte~ to the termin~ting switch.
It is to be understood that the above descripdon is only of one plerel-~,d 25 embodiment of the invendon. Nulllelous other arrangellle~ may be devised by one skilled in the art without depardng from the scope of the invendon. The invention is thus limited only as defined in the accollll~anying claims.
Claims (9)
1. In a telephone network, a method of indicating a number for use as an incoming calling line identification (ICLID) number, comprising the steps of:in an originating telephone switching system, interpreting dialing signals from a calling customer to specify a choice of an ICLID number, other than the calling telephone number, for a call; and in a common channel signaling message from the originating system to a terminating switching system serving a called customer of said call, transmitting data including the specified ICLID number and indication data for selecting the specified number for use as by said terminating system as ICLID data for said call.
2. The method of claim 1 wherein said ICLID number for said call comprises a calling card number.
3. The method of claim 1 wherein said ICLID number for said call comprises an identification number dialed from said calling customer.
4. The method of claim 3 wherein said identification number is supplied by said customer as part of the dialing for establishing said call.
5. The method of claim 4 wherein said dialing comprises dialing an identification sequence to identify an identification number.
6. The method of claim 5 wherein said identification number comprises a special directory number and a personal identification number.
7. The method of claim 1 further comprising the step of:
based on said indication data, selecting said specified number as an ICLID number for serving a called customer of said call.
based on said indication data, selecting said specified number as an ICLID number for serving a called customer of said call.
8. In a telecommunications switching system, apparatus for processing a telephone call comprising:
means for transmitting common channel signaling messages toward a switching system for serving a called customer of said call; and processor means, operative under the control of a program and responsive to a selection provided by dialing signals from a calling customer, for storing indication data for indicating which of a plurality of possible numbers is to be used as an Incoming Calling Line Identification (ICLID) number in said switching system for serving said called customer;
said processor means, further operative under the control of said program, for inserting said indication data in a common channel signaling message to a terminating switching system for controlling ICLID signaling to a telephonestation of said called customer.
means for transmitting common channel signaling messages toward a switching system for serving a called customer of said call; and processor means, operative under the control of a program and responsive to a selection provided by dialing signals from a calling customer, for storing indication data for indicating which of a plurality of possible numbers is to be used as an Incoming Calling Line Identification (ICLID) number in said switching system for serving said called customer;
said processor means, further operative under the control of said program, for inserting said indication data in a common channel signaling message to a terminating switching system for controlling ICLID signaling to a telephonestation of said called customer.
9. The method of claim 1 further comprising the step of:
prompting said calling customer to provide said dialing signals for specifying a choice of an ICLID number other than the calling telephone number.
prompting said calling customer to provide said dialing signals for specifying a choice of an ICLID number other than the calling telephone number.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US782,703 | 1991-10-25 | ||
| US07/782,703 US5283824A (en) | 1991-10-25 | 1991-10-25 | Calling line identification |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2076285A1 CA2076285A1 (en) | 1993-04-26 |
| CA2076285C true CA2076285C (en) | 1997-03-25 |
Family
ID=25126920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002076285A Expired - Fee Related CA2076285C (en) | 1991-10-25 | 1992-08-18 | Calling line identification |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5283824A (en) |
| EP (1) | EP0539101B1 (en) |
| JP (1) | JPH05236118A (en) |
| AT (1) | ATE180134T1 (en) |
| CA (1) | CA2076285C (en) |
| DE (1) | DE69229159T2 (en) |
| ES (1) | ES2133307T3 (en) |
Families Citing this family (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3454822B2 (en) * | 1992-08-26 | 2003-10-06 | ベルサウス インテレクチャル プロパティ コーポレイション | Personal number communication system |
| JPH0787196A (en) * | 1993-09-14 | 1995-03-31 | Fujitsu Ltd | Electronic exchange with calling number delivery service function |
| US6278862B1 (en) | 1994-01-05 | 2001-08-21 | Daniel A. Henderson | Method and apparatus for enhancing the efficient communication of information in an alphanumeric paging network |
| US7142846B1 (en) | 1994-01-05 | 2006-11-28 | Henderson Daniel A | Method and apparatus for improved paging receiver and system |
| US6427064B1 (en) | 1994-01-05 | 2002-07-30 | Daniel A. Henderson | Method and apparatus for maintaining a database in a portable communication device |
| US7426264B1 (en) * | 1994-01-05 | 2008-09-16 | Henderson Daniel A | Method and apparatus for improved personal communication devices and systems |
| US5537470A (en) * | 1994-04-06 | 1996-07-16 | At&T Corp. | Method and apparatus for handling in-bound telemarketing calls |
| US5550905A (en) * | 1994-10-26 | 1996-08-27 | Lucent Technologies Inc. | Method and apparatus for delivering calls and caller identification information to multi-line users |
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-
1991
- 1991-10-25 US US07/782,703 patent/US5283824A/en not_active Expired - Lifetime
-
1992
- 1992-08-18 CA CA002076285A patent/CA2076285C/en not_active Expired - Fee Related
- 1992-10-16 AT AT92309440T patent/ATE180134T1/en not_active IP Right Cessation
- 1992-10-16 ES ES92309440T patent/ES2133307T3/en not_active Expired - Lifetime
- 1992-10-16 DE DE69229159T patent/DE69229159T2/en not_active Expired - Fee Related
- 1992-10-16 EP EP92309440A patent/EP0539101B1/en not_active Expired - Lifetime
- 1992-10-23 JP JP4284807A patent/JPH05236118A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP0539101A2 (en) | 1993-04-28 |
| DE69229159D1 (en) | 1999-06-17 |
| US5283824A (en) | 1994-02-01 |
| EP0539101B1 (en) | 1999-05-12 |
| EP0539101A3 (en) | 1994-03-23 |
| ATE180134T1 (en) | 1999-05-15 |
| DE69229159T2 (en) | 1999-12-09 |
| CA2076285A1 (en) | 1993-04-26 |
| ES2133307T3 (en) | 1999-09-16 |
| JPH05236118A (en) | 1993-09-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |