WO1991003137A1 - Call completion system - Google Patents
Call completion system Download PDFInfo
- Publication number
- WO1991003137A1 WO1991003137A1 PCT/GB1990/001328 GB9001328W WO9103137A1 WO 1991003137 A1 WO1991003137 A1 WO 1991003137A1 GB 9001328 W GB9001328 W GB 9001328W WO 9103137 A1 WO9103137 A1 WO 9103137A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- message
- exchange
- operable
- user
- call
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/12—Messaging; Mailboxes; Announcements
-
- 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
Definitions
- This application relates to a system for connecting two communications terminals; particularly, but not exclusively, for voice communications? especially by cellular radio voice communication.
- Messaging services are well known; in particular, in a voice messaging service such as Voicebank (TM), a spoken message is digitally recorded in the mailbox number of the subscriber for whom it is intended, who can then retrieve by himself dialling that mailbox.
- voice messaging is not of itself usually an option if a call to a desired user cannot be established.
- a second, different number must be recalled and dialled by the caller, and there is also no guarantee that the called party will play the message.
- a user knows that he will be unavailable, he could divert his calls to his voice mailbox, but he must remember to do so and, of course, he may not be aware that he is unavailable (for example, if he is out of range).
- a communications system for connecting a first user terminal to a desired one of a plurality of second user terminals and operable if the system is unable so to connect the first user terminal to store a message from the first user terminal, characterised in that the system includes means for detecting the availability of the second terminal for communication, and is arranged automatically to transmit a message indication signal to the second user terminal when the second terminal is available in the event that that such a message has been stored.
- the invention is most useful when the second user terminals are cellular telephones.
- a cellular telephone network comprising an exchange and a voice messaging centre connected to the exchange, the exchange being connectable to a plurality of cellular telephones, the exchange being operable in the event of a failure to connect a caller to a desired said telephone, to divert the call to the voice messaging centre, and the voice messaging centre being operable to record the call, characterised in that the voice messaging centre is operable, when such a message has been stored for a said telephone, to transmit a "message waiting" flag for that telephone to the exchange and the exchange is operable, when such a flag is received, to call that telephone when it is available and to send a "message waiting" signal.
- FIG. 1 depicts schematically a system according to the invention
- FIG. 2 is a flow diagram of the operation of a system according to a first aspect of invention
- FIG. 3 is a flow diagram of the operation of a system according to a second aspect of the invention.
- the system comprises at least one exchange (EMX) 101 and at least one (centrally located) Voice Messaging Centre (VMC) 102; whilst these could of course be co-located, it is equally convenient to provide a direct communication link between existing such centres.
- the exchange (EMX) 101 is connectable to a plurality of subscriber cellular telephones 103 (MOB-l, etc).
- Each cellphone 103 on the system would have associated with it a mailbox (VMl) on VMC 102.
- Mailbox numbers will preferably be identical to the "host" cellphone number.
- a caller (SI) (104, Fig 1) attempts to call (1) a cellular telephone (MOB-l), he will, if possible (2), be connected (3) as usual. If connection is not possible, the EMX software will check (4) whether, for that telephone (MOB-l), the automatic messaging option is enabled and, if not, terminate the call (5) as in the prior art. If the option is enabled, the exchange (EMX) routes the call (6) to the Voice Messaging Centre (VMC), together with the identity of the mailbox (VMl) corresponding to the cellphone (MOB-l) for which the message is intended.
- VMC Voice Messaging Centre
- the caller (SI) (104, Fig 1) can then choose (7) either to leave a message or not; this choice might conveniently be offered by a vocal prompt, and a speaker-independent voice recogniser used to recognise a Yes/No response, or the caller may be allowed to register a 'no 1 response by terminating the call (hanging up) within, say, 5 seconds of hearing the prompt. If no message is to be recorded, the call is terminated as before (5). If a message is to be left, it is recorded (8) by the Messaging Centre (VMC) in known fashion, and the call is terminated as before (5).
- VMC Messaging Centre
- the exhange (EMX) transfers a call to the voice messaging centre (VMC), it does not monitor whether a message has been left or retrieved. It is the task of the VMC to monitor the status of each voice mailbox and inform (9) the EMX of any change, by sending a signal to set or cancel a "message waiting" flag at the exchange (EMX). It will be the VMC's responsibility to deal with message housekeeping such as automatic deletion after a " given period (e.g. several days or weeks), and to signal any status change to the EMX. The VMC will not set the flag each time there is a new message, only when the status changes from no unread messages to one unread message.
- the system automatically indicates to the subscriber when such messages are available.
- the indication would be set when the cellphone originates a call if there are unread messages in the mailbox. Message retrieval or message time-out (e.g. message deletion after 24 hours) cancels the message waiting indication.
- the message waiting indication would be sent when the cellphone registers.
- the customer has the option of retrieving messages at this point; the system may allow him to exercise this option by keying, e.g., the SEND key or it may alternatively replay the messages automatically unless he takes some action (e.g. terminates the call).
- the system will attempt to call the mobile and, if the call is answered, send the indication (preferably, a recorded voiced announcement). These calls from the system to the mobile will not be diverted and the action may be limited to one attempt - i.e. not repeated each time the mobile registers.
- the system may try calling the mobile after registration.
- the 'message waiting' flag is set (10) and a mobile registers (11), the status of a 'mobile called?* flag associated with the (or each) message is tested (12). The flag will be set if the mobile has already been notified of the or each message but has not read it so that the 'message waiting' flag is still set.
- the EMX monitors whether the mobile attempts to call out (13) within a predetermined time. If the mobile makes no call attempts, the EMX takes no further action (but leaves the status of the flags unaltered).
- the EMX plays (14) the 'message waiting 1 recorded announcement, and then continues call processing as usual (15).
- stage 12 if there is a message waiting the presence of which has not been indicated to the mobile user, the EMX tests (13a) as above whether the mobile is attempting an outgoing call and, if it is, the EMX procedes as above (14,15) (except that the 'mobile called?* flag is reset after the message).
- the EMX attempts to place a call to the mobile (16). Should the mobile not answer (17) (due, perhaps, to interference) the EMX takes no further steps (and leaves the status of both flags unchanged). It will be appreciated that at this point other actions, such as a second attempt at calling the mobile, could be undertaken.
- the EMX plays the 'message waiting' recorded announcement (14a) and resets the 'mobile called?' flag.
- the EMX tests whether the mobile wishes to hear the message, by waiting a predetermined time (e.g. 5 seconds) and monitoring whether the mobile user has ended the call (18). If he has done so, no further action is taken. If he has not, it is assumed that he wishes to hear the or each message. The EMX therefore connects him to the VMC (19), specifically to his mailbox and instructs the VMC to replay the or each message.
- each user terminal is provided with a way of signalling to the system mode for that terminal is desired (ie to turn on or off the call storing).
- the Voice Messaging Centre preferably provides the usual known features offered by voice mail facilities, such as 'message replay', or 'message delete'.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69025066T DE69025066T2 (en) | 1989-08-25 | 1990-08-28 | SYSTEM FOR BUILDING A CALL |
EP90913511A EP0493427B1 (en) | 1989-08-25 | 1990-08-28 | Call completion system |
FI920785A FI920785A0 (en) | 1989-08-25 | 1992-02-24 | SYSTEM FOER SLUTFOERING AV TELEFONSAMTAL. |
HK97101571A HK1000040A1 (en) | 1989-08-25 | 1997-07-17 | Call completion system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8919323.9 | 1989-08-25 | ||
GB898919323A GB8919323D0 (en) | 1989-08-25 | 1989-08-25 | Call completion system |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1991003137A1 true WO1991003137A1 (en) | 1991-03-07 |
Family
ID=10662095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB1990/001328 WO1991003137A1 (en) | 1989-08-25 | 1990-08-28 | Call completion system |
Country Status (16)
Country | Link |
---|---|
US (1) | US5313515A (en) |
EP (1) | EP0493427B1 (en) |
JP (1) | JPH05502345A (en) |
AT (1) | ATE133528T1 (en) |
AU (1) | AU640410B2 (en) |
CA (1) | CA2064813C (en) |
DE (1) | DE69025066T2 (en) |
DK (1) | DK0493427T3 (en) |
ES (1) | ES2085914T3 (en) |
FI (1) | FI920785A0 (en) |
GB (1) | GB8919323D0 (en) |
HK (1) | HK1000040A1 (en) |
HU (1) | HU213742B (en) |
IE (1) | IE72093B1 (en) |
SG (1) | SG47540A1 (en) |
WO (1) | WO1991003137A1 (en) |
Cited By (14)
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EP0412769A2 (en) * | 1989-08-07 | 1991-02-13 | Nec Corporation | Mobile telephone system having message recording mode of operation during failures |
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WO1992017950A1 (en) * | 1991-03-29 | 1992-10-15 | Telefonaktiebolaget Lm Ericsson | Auxiliary communication service routing |
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US6157828A (en) * | 1997-01-31 | 2000-12-05 | Qualcomm Incorporated | Method and apparatus for providing an alert with information signal between a mobile switching center and a base station |
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-
1989
- 1989-08-25 GB GB898919323A patent/GB8919323D0/en active Pending
-
1990
- 1990-08-24 US US07/571,863 patent/US5313515A/en not_active Expired - Fee Related
- 1990-08-27 IE IE310790A patent/IE72093B1/en not_active IP Right Cessation
- 1990-08-28 AU AU63570/90A patent/AU640410B2/en not_active Ceased
- 1990-08-28 WO PCT/GB1990/001328 patent/WO1991003137A1/en active IP Right Grant
- 1990-08-28 CA CA002064813A patent/CA2064813C/en not_active Expired - Fee Related
- 1990-08-28 DK DK90913511.3T patent/DK0493427T3/en active
- 1990-08-28 AT AT90913511T patent/ATE133528T1/en not_active IP Right Cessation
- 1990-08-28 SG SG1996002711A patent/SG47540A1/en unknown
- 1990-08-28 ES ES90913511T patent/ES2085914T3/en not_active Expired - Lifetime
- 1990-08-28 DE DE69025066T patent/DE69025066T2/en not_active Expired - Fee Related
- 1990-08-28 JP JP2512623A patent/JPH05502345A/en active Pending
- 1990-08-28 HU HU9200595A patent/HU213742B/en not_active IP Right Cessation
- 1990-08-28 EP EP90913511A patent/EP0493427B1/en not_active Expired - Lifetime
-
1992
- 1992-02-24 FI FI920785A patent/FI920785A0/en unknown
-
1997
- 1997-07-17 HK HK97101571A patent/HK1000040A1/en not_active IP Right Cessation
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IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS 7-10 June 1987 vol. 3, SEATTLE (US) pages 1385 - 1390; K.YAMAMOTO et al: "COMMUNICATION PROCESSING TECHNOLOGY FOR THE MOBILE COMMUNICATION NETWORK" see page 1389, paragraph 5 - page 1390, paragraph 6 * |
INTERNATIONAL CONFERENCE ON COMMUNICATIONS 10-14 June 1979 vol. 1, June 79, BOSTON (US) pages 321 - 325; R.J.NACON et al: "NEW CUSTOM CALLING SERVICES" see page 321, left-hand column, line 1 - page 324, left-hand column, line 17 SA 40111 030 * |
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US6157828A (en) * | 1997-01-31 | 2000-12-05 | Qualcomm Incorporated | Method and apparatus for providing an alert with information signal between a mobile switching center and a base station |
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US6771761B1 (en) | 1999-12-29 | 2004-08-03 | Bellsouth Intellectual Property Corporation | System and method for caller-selectable call routing from a single telephone number |
Also Published As
Publication number | Publication date |
---|---|
EP0493427A1 (en) | 1992-07-08 |
GB8919323D0 (en) | 1989-10-11 |
SG47540A1 (en) | 1998-04-17 |
HK1000040A1 (en) | 1997-10-17 |
IE72093B1 (en) | 1997-03-12 |
FI920785A0 (en) | 1992-02-24 |
DK0493427T3 (en) | 1996-04-09 |
ES2085914T3 (en) | 1996-06-16 |
AU640410B2 (en) | 1993-08-26 |
HU213742B (en) | 1997-09-29 |
DE69025066D1 (en) | 1996-03-07 |
HU9200595D0 (en) | 1992-12-28 |
HUT61429A (en) | 1992-12-28 |
IE903107A1 (en) | 1991-02-27 |
CA2064813A1 (en) | 1991-02-26 |
EP0493427B1 (en) | 1996-01-24 |
US5313515A (en) | 1994-05-17 |
DE69025066T2 (en) | 1996-08-08 |
JPH05502345A (en) | 1993-04-22 |
CA2064813C (en) | 1995-06-27 |
ATE133528T1 (en) | 1996-02-15 |
AU6357090A (en) | 1991-04-03 |
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