US837894A - Telephone system. - Google Patents

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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
  • H04M3/50—Centralised arrangements for answering calls; Centralised arrangements for recording messages for absent or busy subscribers ; Centralised arrangements for recording messages
  • H04M3/51—Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing
  • H04M3/523—Centralised call answering arrangements requiring operator intervention, e.g. call or contact centers for telemarketing with call distribution or queueing

Definitions

• the signal indicating that an operator is free is preferably given by lighting a signal-lamp, and the signal indicating ⁇ hat an operator is busy by extinguishing the l of.
• the subscribers lines traverse the jack-field of the connecting-board and branch off in the latter for its different positions in a well-known manner to multiple jacks. Each subscribers line terminates at the annunciator-board, where it has a signal and in close proximity thereof an answering-j ack.
• Each position of the annunciator-board is provided with a certain number of answerlng- 1plugs, which are connected with the listeningeys at the in uiring-board and with jacks arrangedin mu tiple at the connecting-board.
• the answeringplug is inserted at the annunciatorboard, t e operator at this board selecting such a plug, the trunk-line of which leadsto an operator at the inquiring-board who is indicated to be free.
• the inquirin operator receives a si al when the plug at t e annunciator-boar is raised, which signal causes her to connect her telephone set by means of a suitable key with the annunciator-board and to inquire of or answer the call of the calling subscriber. appearance of the signal at her board the inqulring operator concerned is automatically indicated as busy at all the positions at the annunciator-board from which -she is attainable.
• This signal preferably consists in Simultaneously with the lamps extinguishing while they generally are 1 lighted up.
• the connecting operator inserts the second plug into the jack in question and brings her combined calling and listening key into the calling position, from which it automatically returns into the through-speaking position.
• an additional special contact is closed by the key, which contact closes the circuit of a relay which separates in a well-known manner the order-wires of the inquiring operator from the telephone set of the connecting operator and simultaneously opens another contact of the signal-cit cuit of the connecting operator at the inquirin -board.
• both the connecting operator and also the annunciator operator automatically receive a clearing-out signal, and this signal re mains at the annunciator-board, even when the connecting operator has already put an end to the connection by withdrawing her plugs.
• the clearing-out signal at the annunciator-board does not become extinguished until the answering-plug is put back into its position of rest and until the result ing opening of a plugcontact has been effected.
• he telephone-oilice has three boards A, B, and O, the boundaries of which are indicated by broken lines, A being the annunciatorboard, B the inquirin board, 0 the multiple connecting-board.
• the back contacts of the relay 9 are connected with the line-relay 10 and a battery (1.
• the line-relay controls the an-- nunciator or line-lamp 11 in the usual way.
• the lamp 11 When a subscriber calls, the lamp 11 is lighted up 'atthe annunciat'or-board A.
• Current now ows from one pole of 'B board and there via the armature thereby connects her telephone set 23 the battery 12 via-the plug-contact 17 to the and back contact 19 of a relay 18, the si nal 20, the relay 2-1, and back to the other po eof the battery.
• the relay 21 attracts its armature and by 0 ening the contact 22 interrupts the circuit 0 the lamps 15 16, which are now extinguished, and thus indicate at the Aboard that the B operator is busy.
• the B operator noticing the signal she presses t 1e listening-key 13 indicated by said signal, an?1 wit the wires 6 and 7 of the plug 1 or with the calling subscriber.
• the subscriber has communicated the desired number to the B operator, the latter releases the listening-key 13, which automatically returns into its position of rest and presses the order-key 14, by means of which she connects her set 23 with the telephone set of a C operator at the conmeeting-board who is free at the time.
• This C operator is recognizable by the B operators by means of the signals 26.
• the latter are lighted up when the corresponding C operator is free, and are extinguished, as I will later explain, when the corresponding C operator is busy.
• the B operator now informs the C operator of the number of the trunkline 6. 7 employed and of the number of the subscriberto be called.
• a contact 24 is closed, the closure of which results in the working of a relay 27.
• This relay opens its back contact 28, and consequently the circuit of the signals 25 and 26, by means of which the C operator in uestion is immediately indicated asbusy at a 1 positions on the B board.
• the C operavtor has understood the numbers communicated to her, she inserts the connecting-plug 3 in the nearest jack 4 of the trunk-lines 6 7 of the answering-plug 1, which lines are connected in multiple to the jacks 4 5, and tests with the tip of the second connecting-plu 2 the jack of the desired subscribers l1neor example, 29-in the well-known manner, so as to ascertain whether he is busy or not.
• the contact 52 in the jack 4 is closed.
• the 'relay'18 attracts its armature and extinguishes the lamp 20 by opening the contact 19.
• the extinction of the lamp 20 indicates to the B operator that theC operator has employed the correct trunk-line.
• the armature of the relay 21 returns against its back contact 22, and consequently the circuit of the lamps 15 16 is again closed, whereby the B operator is again indicated as free at the annunciator-board A.
• the combined calling and listenin key is turned to the right, whereby the g operators set 42 is connected by way of the contacts 53 54 with the tip and sleeve strands of the cord connecting the plugs 2 3. If already a plug l or 2 is inserted in one of the jacks 8 or 29 of the line a bc', the wire c is sleeve of the pole of the battery 12;
• a operator withdraws her plug 1 from the jack 8.
• the O operator inserts the plug 2 in the jack 29, and thereby connects the trunk-lines 6 7 with the line all bl, scribers may key 35 so that the conversation of the two subtake place. Now she turns the to the left and connects the lines a I) over the contacts 55 56 for a certain time with a source of alternating current 57,
• a relay 37 When for turned to the right, a relay 37 is the contact 36 and from the back contacts 39 40 41.
• the receiver 42 is 44 and other wires 59 60, which may wires 43 testing purposes the key 35 is excited over attracts its armature 38 Hereby disconnected from the be connected to other keys 14, so that the C operator cannot be disturbed during his work by a false call of one of the B operators; second, the armature 38 0 before the key 14 is thus the signals 25 ing the test and called is called.
• a call-distributing system comprising telephone-lines, each having a terminal jack and a signaling instrument in an annunciator-board, and a terminal socket in each of several sections in a multiple connect ing-board, a trunk-line extending from the annunciator-board to one section of an inuiring-board and to a plurality of sections of the multiple connecting-board, signalingcircuits extending between all the boards and an order-circuit extending between the inquiring-board and the multiple connectingboard; whereby several connecting operators have access to the same trunklines to equitably distribute the inquiries to the inquiring operators and from the latter the connections to be made to the connecting operators, substantially as described.
• a call-distributing system comprising telephone-lines, each having a terminal jack and a signaling instrument in an annunciatorboard, and a terminal socket in each of several sections in a multiple connecting-board, a trunk-line extending from the annunciatorboard to one section of an inquiring-board and to a plurality of sections of the multiple connecting-board, a plug-seat contact at the annunciator-board and a signal associated therewith at the in uiring-board, a relay at the latter and contro ling a plurality of lamps at the annunciator-board, signaling-circuits extending from the connecting-board to the annunciator-board and the inquiring-board, and an order-circuit extending between the inquiring-board and the connecting-board; whereby an inquiring operator is notified by an annunciator operator to inquire of the call and all annunciator operators are apprised of the readiness of an inquiring operator to inquire of the calls, substantially as described.
• a call-distributing system comprising telephone-lines, each having a .terminal jack and a signaling instrument in an annunciatorboard, and a terminal socket in each of several sections in a multiple connecting-board, a trunk-line extending from the annunciatorboard to one section of an inquiring-board and to a plurality of sections of the multiple conneoting-board, signaling-circuits extending between the annunciator-board and the inquiring-board and between the inquiringboard and the connecting-board, an ordercircuit extending between the inquiringboard and the connecting-board, a signalingcircuit extending from the connecting-board to the annunciator-bo-ard, said circuit including a signal at the annunc'iator-board and a key and a relay at the connecting-board; whereby an annunciator operator is notified by the connecting operator of a connection being not to be had and of a connection being to be broken, substantially as described.
• a call-distributing system comprising telephone-lines, each having a terminal jack and a signaling instrument in an annunciatorboard, and a terminal socket in each of several sections in a multi le connecting-board, a trunk-line extending om the annunciatorboard to one section of an inquiring-board and to a plurality of sections of the multiple connecting-board, signaling-circuits extending between all the boards and an order-circuit extending between the inquiring-board and the multiple connecting-board, switches in the signaling-circuits extending between the inquiring-b0 ard on the one hand to the annunciator-board and the connecting board on the other hand whereby a position at the inquiring-board and at the connecting-board can befnotified as engaged at the annunciatorboard and the inquiring-board respectively, if said position is not attended to by an operator, substantially as described.

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• Business, Economics & Management (AREA)
• Marketing (AREA)
• Engineering & Computer Science (AREA)
• Signal Processing (AREA)
• Sub-Exchange Stations And Push- Button Telephones (AREA)

Description

Priority Applications (1)

Applications Claiming Priority (1)

Publications (1)

Family

ID=2906368

Family Applications (1)

Country Status (1)

Cited By (7)

• 1905
  • 1905-08-22 US US27525205A patent/US837894A/en not_active Expired - Lifetime

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