DE1061835B - Circuit arrangement for a telephone private branch exchange with several switchboards - Google Patents

Description

The invention relates to the circuit arrangement for a telephone private branch exchange the incoming calls to several attendant consoles via connecting lines are displayed and the call present via a connection line is queried by connecting the operator of an operator console to the connection line and is forwarded. In the case of known arrangements with parallel employment agencies, according to the Connection of an attendant console to a calling line to prevent this line from being blocked Connection of the operation of a second attendant console. It is not possible that the operator of attendant consoles that are spatially separated from one another during mediation connect to each other during a call.

However, arrangements are also known in which there is no blocking of switching stations lying in parallel is made. In this case there is the possibility of using a second operator console any incentives affecting the connection to those of serving the first Transfer station used line to transmit.

The aim of the invention is to meet the requirement for the operation of a place to be switched on a line for the operation of a second switchboard that is spatially separated from the first place the existing connection paths also create a voice connection and influence the operation of the second place on the facilities of the service of the first place in use to switch off the line that has been taken. Such demands occur in particular in such systems, where the operators of the attendant consoles not only have to solve mediation tasks, but also must also determine and forward technical information of the company, such as this by operating a telecommunications switchboard in an electricity company (EVU) is required. The demands made according to the invention are achieved in that with the Connection of the operation of an attendant console to a line by switching means of this line a control of the switching means of a second attendant console is prepared, one of the Speech cores independent transmission of special tax incentives from the service of the second place on the line used by the operator of the first seat.

The second place can be operated using the existing connection paths with the operator of the first place to contact the circuit arrangement

for a private branch exchange

with several operator stations

Applicant:

Siemens & Halske Aktiengesellschaft,

Berlin and Munich,
Munich 2, Witteisbacherplatz 2

Georg Finsterwalder, Munich,
has been named as the inventor

is already connected to a connection line. the The incentives that are decisive for establishing a connection are independent of the voice lines Transfer auxiliary lines between the operator station and the line in use and only with the connection of the operation of a place to a line, the transmission of the speech wires independent tax incentives on those used by the service of the first place Line prevented.

An exemplary embodiment of the invention is shown in the drawing. The operation of place I and also the operation of place II can be connected to the devices of a transmission BL-O, which belongs to a connecting line (not shown). If, for example, there is a call over the line of the .BL transmission, the lamp AL I of seat I and also lamp AL II of seat II are switched on:

1. +, ALI, lsi. IgI, line e, -.

2. +, .4LIL 9.s2, 4g-2, line e, -.

To answer the call from the operator at seat I, press the buttons of the calling 5L transmission. The relays ASl and AH are switched on:

3. +, HUI, ATI-ASI, -.

4. +, HUI, ATI, 5fl, 6il, 7 sp, AH, -.

909 578/89

A holding circuit is established for the AS I relay after releasing the AT button.

5. +, HUI, ATI, ..., 8IrI, 7asl, ASl, -.

Via the contacts lOajI, 11 gut I, the apparatus for operating station I is connected to the a / b communication lines of the SL transmission. A control of the relays TT, Mh and / of the SL transmission is prepared via the contacts 12 as 1, 13 as I, 14öjI. The relay / 1 is switched on by the relay ASI:

6. +, 15ojI, 16el, 71, -.

The ASi relay is switched on via contact 17asl:

7. +, 17cwI, 57el, ASl, -.

Relay KI is switched on by relay ASI:

8. +, 9OJI, KI, 20 / rI, 21el, line d, -.

The relay KI holds regardless of contact 9 as I via contact 22 I, the relay 71 is maintained regardless of contact 15ojI via contact 23 I k. The switch-on incentive with contact 24oj1 is forwarded to the switch-on relay AS 3 of the SL transmission via relay AS 1. When relay 71 in circuit 6 responds, relay Sp is switched on:

9. +, 25 * 1, Sp, -.

A further preparation of the control of the relays TT, Mh and relay 7 of the SL transmission takes place via the contacts 26 il, 27 il, 28 il. These relays take special incentives that are independent of the voice lines, e.g. B. for separation, listening in and setting up the voter.

The operator of seat I can now carry out the brokering activity of the SL transmission. Connection and disconnection functions can be transferred to the SL transmission using the 29nsil, 30MhTI and 31TrTI contacts.

If the operation of place I is switched on to the BL transmission and at this point in time the operation of place II presses the query button ATII assigned to the SL transmission, the relay E2 is switched on:

10. -h JErUII ₁ ^ TII, 32/2, 33i2, 34 ^, IE2, -.

Furthermore, the AS ¹ II relay is switched on by the ATII query button:

11. +, HUII, ATII, ASU, -.

After releasing the AT button, there is a holding circuit for the ASU relay:

12. +, HU II, ATU, ..., 35ZrII, 36ojII, ASII, -.

After releasing the query button ATII there is also a holding circuit for relay B2:

13. +, 37ojII, 28e2, 39g2, II £ 2, -.

Contact 4Oe 2 is opened by relay £ 2. A circuit for the relay 72 is prevented. Via the contacts 41 as U / 42 as II, the operation of place II is connected to the speech wires (a / b) of the SL transmission. Any connection or disconnection functions from the operation of place II are prevented because the corresponding control lines are not connected through contacts 43 i 2, 44i2 and 45 £ 2. The monitoring relay Mh II is switched on when the operation of place II is switched on:

14. +, 37ojII, 38 e2, GIl, MhII, -.

With contact 4.6 mh a ticker sign is switched on to the speech path. The operation of place I is made aware of the activation of the operation of place II by the ticker symbol.

The holding circuit 12 of the relay ASU is interrupted by the hook switch HUII or by temporarily controlling the extinguishing relay LR II and thus opening the contact 35ZrII. Circuit 13 of relay £ 2 and circuit 14 of relay Mh II are opened by contact 37 as II. The facilities used by the operators of place II are in the rest position.

If the operation of place I is connected to the SL transmission, there are circuits 5 to 9 for the relays ASI, Jl, ASl, Kl and Sp. Contacts 50 as 1/51 as 1 prepare the identification of the SL -Transmission at place I and place II for the allocation of the SL-transmission to the operator of place II. If after the connection of the operation of place I to the SL-transmission the all connection lines common allocation key 52 ZT 1/53 ZT I is pressed , this is how relay Zl is switched on:

15. +, 53ΖΓΙ, 50asl, IZl, -.

The lamp AL I is connected to a flicker interrupter FU via contact 54 .si. The service of seat I is hereby informed of the allocation. The circuit of the extinguishing relay LR I of place I is prepared via contact 55 z-1. The following circuit is established for relay F 2 of location II, depending on the allocation key ZT I:

16. +, 52ΖΓΙ, 51 ojI, 56g2, IF2, -.

The following holding circuit exists for relay ZI:

17. +, 57/2, 58.Sl, HZl, -.

The following circuit is established for relays F2 and G 2:

18. +, 59il, 60Ϊ2, 61/2, I G 2, IIF2, 56g, IF2, -.

After relay G 2 has responded, relays F 2 and G2 are kept energized in the following circuit:

19. +, 59il, 60i2, 61/2, IG2, IIF2, 62g2, IIG2, -.

The lamp AL II is connected to the flicker interrupter FU via contact 63 g · 2. The operation of place II is hereby pointed out to the connection to the BL transmission. If the officer presses the ATII button, the ASU relay in circuit 11 is energized and held in circuit 12. Relay B2 cannot be energized in circuit 10 because contact 32/2 is open. While the ATU key is being pressed, there is a holding circuit for relay 7 ^ 2 independent of circuit 19:

20. +, HUU, ATU, 64/2, 1UF2, -.

The relay 72 is switched on by pressing the ATU button:

21. +, 65ojII, 40 <? 2.72, -.

The relay K II is also switched on:
22. +, 66cjI, KII, 677rII, 68 e2, d-Adev, -.

The relay if II is held independently of contact 66aiii via contact 69fell. The circuit 21 of the relay / 2 is held independently of contact 65 as II via contact 70 k II. The following circuit exists for the AS2 relay:

23. +, 37aiii, 71 e2, AS2, -.

The relay AS 3 of the £ L transmission is switched on independently of contact 24 asl via contact 72 as 2 . There is a circuit for relay Sp via contact 73 i 2. When relay / 2 responds, the extinguishing relay LR I of location I is switched on:

24. +, 74 * 2, 75 * 1, 76 /% 55 ^ 1, Li? I, -.

The holding circuit 5 of the relay ASl is interrupted by contact 8IrI. The circuit 8 of the relay if I is opened by contact 20 Ir I. The open contacts 23fei and 15asl cause the relay / 1 to drop out. The circuit 7 of the relay AS1 is opened by contact 17 as 1 . By switching on the relay / 2 in the circuit 21, the holding circuit 19 of the relays F 2 and G 2 is opened by contact 60 * 2. The relay G 2 drops out. If the AT II button is released from the operator at place II, the holding circuit 12 of the relay AS II is established and the holding circuit 20 of the relay F 2 is interrupted. The relay F 2 drops out. The holding circuit 17 of the relay Zl is opened by contact 57/2. The operation of place II is now switched on to the .BL transmission via contacts 41 as II to 49aiii. The connection of the operation of place II to the 5L transmission is indicated to the operation of place I by switching off the lamp ALI of the flicker interrupter FU with contact 54 ^ 1. The circuit 24 of the extinguishing relay LR II is switched off at contact 55 ζ 1.

The operator of seat II is also able to monitor the operation of seat I Assign 5L transmission. For this purpose, the operator actuates the allocation key ZTII and es the corresponding switching processes for place I are then initiated.

If the operation of place II is connected to the ßL transmission and the officer switches off the 5L transmission by hanging up the receiver, the holding circuit 12 of the relay ^ 5 "II is interrupted by contact HU II. Contact 37aiii opens the circuit 23 of the Relay AS2. By temporarily pressing the cancel button LT II, relay LR II is temporarily energized. Relay if II is switched off by contact 67 / rII. Circuit 21 of relay / 2 is interrupted by contact 70fell. These are the devices that are in use in the rest position.

Claims (4)

Patent claims: 1.Circuit arrangement for telephone extension systems, in which incoming calls to several switchboards are displayed via connecting lines and the call present via a connecting line is queried and forwarded by connecting the operator of an operator console to the connecting line, characterized in that with the connection of the operation of an operator console ( Place I) to a line (BL-Ü) by switching means (relay ASl, Jl, Sp) this line a control of the switching means (relay B2) of a second switching place (place II) is prepared, which is independent of the speech wires transmission of special tax incentives from the operation of a second place (place II) to the line used by the operation of the first place (place I). 2. Circuit arrangement according to claim 1, characterized in that a button-controlled on- switch relay (AST) the operation of an attendant console (I) switches on the relay (/ 1, Sp) through which the blocking relay (E2) prepares for special tax incentives to the switch-on button (ATIT) of the second attendant console (II) is switched on. 3. Circuit arrangement according to claim 2, characterized in that the blocking relay (E 2) for special tax incentives interrupts the circuit of a relay (J 2) (at contact 4Oe 2) through which the special control cores (via 47aiii to 49aiii) between the second switchboard (II) and connecting line (BL-Ü) are switched through (via contacts 43 * 2 to 45 * 2). 4. Circuit arrangement according to claim 2, characterized in that the blocking relay (-E2) prepares the circuit of a monitoring relay (MhIT) associated with the switchboard (position II) and dependent on the switch relay ( contact 37aiii) of this switchboard. 1 sheet of drawings © 909 578/89 7.59