EP1374603A1

EP1374603A1 - Method and arrangement for operating a telecommunication network

Info

Publication number: EP1374603A1
Application number: EP02759755A
Authority: EP
Inventors: Harald Hinderberger
Original assignee: Siemens AG; Nokia Siemens Networks GmbH and Co KG
Current assignee: Nokia Solutions and Networks GmbH and Co KG
Priority date: 2001-04-06
Filing date: 2002-04-03
Publication date: 2004-01-02
Also published as: WO2002082826A1; DE10117366A1; CN1543747A; DE10117366B4; US20040120500A1

Abstract

The invention relates to a method and arrangement, for operating a telecommunication network (14), with a control computer (66), which controls a network element (12e) of a network node in a telecommunication network (14). In addition to the operating system thereof the control computer (66) has at least one first interface programme (80) and a signalling programme (76, 78), which carries out signalling processes between the control computer (66) and further control computers (34, 36, 38) in the telecommunication network (14). An applications computer (72), connected to the control computer (66), has, in addition to the operating system thereof, at least one second interface programme (82) and at least one application programme (84 to 92). Data is transmitted to the first interface programme (80) by means of the second interface programme (82) and received by the above, which contains signalling information. The signalling information is exchanged between the application programme (84 to 92) of the application computer (72) and the signalling programme (76, 78) of the control computer (66), by means of the both interface programmes (80, 82).

Description

description

Method and arrangement for operating a telecommunications network

The present invention relates to a method for operating a telecommunications network, or TK network for short, in which a network element at a network node of a TK network is controlled by a control computer. The network element is, for example, a switching center for switching connections. An application computer is connected to this control computer and, in addition to the operating system assigned to it, has at least one application program. With the help of the connection between the application computer and the control computer, the application program has access to the signaling system of the control computer and thus to the signaling system of the telecommunications network. Furthermore, the invention relates to an arrangement for operating a telecommunications network and a telecommunications network.

In telecommunications networks, in which connections between terminals are sometimes set up and cleared down, the signaling system No. 7 is preferred, as is the case, for example, in the relevant standards of the ITü (International Telecommunication Union) with its organ ITU-T, formerly CCITT (International

Telegraph and Telephone Consultative Committee). When the signaling system No. 7 is used, the signaling (signaling or signaling) takes place with the help of central signaling channels between the network nodes of the telecommunications network.

As a rule, modern telecommunications networks have computer-controlled network nodes, between which PCM transmission links are provided for data transmission, it being possible for part of the transmission capacity of these PCM routes, for example a transmission channel with a data transmission capacity of 64 kbit / s, to be used as the central signaling channel. With the help of signaling system no. 7, switching processes are controlled in telecommunications networks as well as in other communication networks. It is common today for telecommunications networks to have an independent signaling network that provides services for a wide variety of users.

The signaling system provides a message transfer part (MTP) that is uniform for all applications. The message transmission part is a signaling protocol which enables fast, reliable and application-independent transport, especially of the signaling messages in the network, including the registration and correction of system and network errors. The message transmission part only offers services that are independent of user connections and have limited addressing capabilities. The message transmission part provides services for a wide variety of users (users) and forms the common transport system for messages from different user parts (User Part, UP). For example, there is a user part for telephony, the Telephony User Part (TUP), a user part for circuit-switched data services, the Data User Part (DUP), a user part for operating and maintenance tasks for networks, the Operation and Maintenance Application Part (OMAP). , a user part for ISDN signaling, the ISDN User Part (ISDN-UP) and the application part for global networks, the Intelligent Network Application Part (INAP). The message transmission part thus serves above all to control the connection of the circuit-switched data transmission in order to connect the network elements of network nodes, which are also referred to as signaling points (signaling points), in signaling network no. For these connections, digital full-duplex 64 kbit / s lines or channels (eg as a V.35 connection) are preferably used as signaling lines. When setting up a signal transmission path, eg in the PCM30, a time slot is occupied for the transmission of data with signaling information. This is usually time slot 16. The selected channel can be used as ω ω IV) P>

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Protocol stacks saved, it also saves the considerable time required to implement these protocol stacks on the application computer as well as the necessary maintenance and care of the SCCP / TCAP protocol stacks.

The first and second interface programs form an interface between the application program and the TCAP protocol and are also referred to as TCAP Application Interface (TIF). The first interface program exchanges signaling information with the TCAP protocol stack like a user part of the user. The second interface program exchanges signaling data with the application program in the same way as when the user program directly accesses a TCAP protocol stack implemented in the application computer. The data exchange between the two interfaces is carried out using any data transmission protocol. The effort to implement the two interfaces is approximately 10% of the effort required to implement the SCCP / TCAP protocol. The signaling data are transmitted as user data between the two interfaces. A simple and uncomplicated logical structure of the two interfaces is thus possible.

Interface monitoring, such as protocol monitoring and route search, is simple and transparent due to the simple logic of the interface. This makes it easy to identify and remedy faults. The interface control can also continue to be used unmodified after a change in service features. At least the first interface can continue to be used unmodified in future extensions on other platforms. It is only necessary to adapt the second interface to the new platform, ie the interface must be implemented on the new platform, for example on another data processing system, unless the interface is in a platform-independent programming language, ω ω (V ⁾ N) P ¹ P ¹

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DJ μ- DJ TJ tr Φ o Ω Φ to DJ and others P φ and others μ- fr Φ 2 and others - <TJ 3 σ CD X μ- rt DJ Φ and others μ- d tr TJ 3 tr P Φ 3 C tr and others PP Ω DJ P Φ PX Φ tr J Φ Ω XG t P tr CD P ua Φ o rt fr φ DJ P- Ω DJ co • DJ tr rt rt μ- a DJ μ- rt N d Φ P tr Φ Hi μ- rt

DJ μ- DJ Φ P o Φ φ P Φ P ^J et tr P TJ μ ^j _" -» μ- a N CD DJ Ω PNX P- a P er μ> P

P Φ d J TJ co CD P- 3 P- fr P o μ- o Φ rt 3 tr a • Φ 3 d Φ a PJ Hl PJ

1 rt PP φ P rt Cfl N Φ o P- co a P 3 _* P- <3 P φ P tr μ- c Φ and others

0 1 o 3 φ 1 P- c P- 1 φ μ- μ- CD rt φ μ- DJ 1 3 and others Φ 1 1 P φ P rt φ φ 1 P et - ¹ CO P Φ 3

1 1 1 CD 1 1 P

are, but there is no access to the program system of the network element by the application computer. Only signaling information is transmitted between the IP network and the TC network using the interface programs. There is thus a separation between the IP network and the TC network, at least when transmitting signaling information.

Further features and advantages of the invention will become apparent from the following description, which in connection with the accompanying drawings explains the invention using exemplary embodiments. In it show:

1 shows a number of switching centers which are connected to a telecommunications network, a part of the switching centers being connected to commercial platforms which have access to the global network of the Internet,

FIG. 2 shows two switching centers of a telecommunications network, one switching center having a commercial platform that is connected to the Internet,

FIG. 3 shows the signaling system of the coordination processor of the first switching center and the commercial platform of the second switching center from FIG. 2,

FIG. 4 shows two switching centers of a telecommunications network, a commercial platform being connected to the second switching center,

Figure 5 shows the signaling system of the first and second

Switching center and the connection of the commercial platform to this signaling system of the arrangement shown in FIG. 4, FIG. 6 shows a first exemplary embodiment for a possible physical connection between the commercial platform and the signaling system of the coordination processor,

FIG. 7 shows a second exemplary embodiment for a possible physical connection between the commercial platform and the coordination processor of the exchange,

Figure 8 shows a third embodiment similar to that in

Figure 6 illustrated first embodiment, and

Figure 9 shows the transmission path of the signaling data from the Internet application to the signaling system of the telecommunications network.

In Figure 1, switching centers 12a to 12f are shown, which are connected to a telecommunications network 14, short TK network, and each form a network element of a network node of the TK network 14. A program is run on an application computer (not shown), which the user of a data network, e.g. the Internet 18, provides services and features which at least partially exchange signaling information with a signaling system of the switching center 12d. The application program of the application computer forms an interface between the Internet 18 and the telecommunications network 14. This interface is also referred to as a commercial platform 16a. The commercial platform 16b forms an interface between the Internet 18 and the switching center 12e and the commercial platforms 16c, 16d each form an interface between the Internet 18 and the switching center 12f.

The switching centers 12a and 12d, the telecommunications network 14 and the Internet 18 are shown in FIG. Same elements ω o (O f P>

Cπ o Cπ o Cπ σ cπ

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P • ^ P Φ co Φ α J μ ⁴ G: J a 0 H α cn P ¹ - s tö d CD co a H DJ G t CΛ Φ P 3

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3 o TJ P • μ- μ- φ rt a P 3 ao DJ -J a> o er Φ 3 3 3 Φ Hi 3 t X 3 3 3 c G co 3 P 5 rt ao 3 rt Φ o P Ω DJ TJ N Φ 3 Φ φ P Φ J φ 55 o 3 PP

TJ Φ O Φ> rt Φ Hi 3 1 DJ fr ^ CO 1 Φ P rt P 00 TJ rt p- Φ DJ and others

P 3 1 P d 1 3 O 3 CD N 1 o P P- et 3 H ¹ CD o 1 Ω P 1 φ ^ O 1 Φ 1 P- ¹ 1

1 tr 3 ⁵ oo to 1 3

ω O t t ι->

Cπ O Cπ o Cπ o Cπ

3 CO N σ co φ TJ ι-3 and others CΛ CΛ P ¹ co σ <Φ N TJ TJ ω aa CD aa φ tr TJ TJ P CD N

G d P- 5 DJ IPPH Φ O Ω φ rt 3 P- o P- GPH ¹ Φ G rt DJ Φ P- Φ PPGO Φ

P rt φ μ- a Hl o * 1 55 O tr P Φ rt Φ P 3 3 o PJ o P 3 Φ co P 3 t O o 3 3 CO and NP CO GG 0 and 1 0: TJ P TJ H Φ tr Φ et ri ^¬ TJ among others - ¹ Φ PJ rt rt among others μ- CD co Φ d Ω P 3 HP ι-3 tr \ μ- PHP CΛ PJ W 0 et \ CΛ CD l- ¹ Φ for CD PO 0 CD rt O co PP tr Ω a ua DJ o 3 PI et 0 Φ Hi Ω 3 a Φ ^ Hi Hl 0 TJ Φ P o P fr fr to P rt P ua Φ tr et 3> π et ua P DJ tr a P- DJ 0 0 o tr P 3 co 3 55 et oo> φ CD

Φ CO 3 CΛ TJ μ- CD P TJ O 3 Φ PP ¹ μ- P> 3 O TJ rt 3 φ φ P ¹ CO μ-

H a μ- for P- Φ Ω J et DJ P Φ P- 3 φ μ- P "3 TJ μ- among others P Φ φ P- P t- ¹ rt P cn

M Φ P a DJ et al. Μ- 00 00 tr 1 Φ 3 O rt fr o co 1 rt P O P rt CD CD Φ Φ cn

Φ co Hl Φ 3 3 3 J-. to φ TJ H 3 and others. -. rt CD rt μ- et -j TJ et J ua CΛ IM Φ <rt et 3 P o 3 3 D ⁾ φ PPHP Hl CD Φ φ Φ DJ to P co 3 P Ω P- P φ DJ DJ G:

P ¹ HP ^J er o Φ oo DJ) rt P- P Ω o et DJ tr φ Φ P Ω Ω a G er to P 3 CΛ co P- P P- φ G rt P to 3 ** 1 Φ 3 <Φ fr 3 rt Φ 3 P 3 Hl fr fr Φ P φ a et PJ Ω μ- co DJ: o P co OJ 3 H ¹ φ 3 COP ¹ 00 3 P- P PJ o Φ P

Tr rt tr Ω P- G tr Φ for P DJ P * 3 P <co fr H * =. rt Φ CΛ P ^{^} -j -J μ- et

55 P P- 3 3 ^* φ 3 co PJ: P oo H 00 er Φ G Hi 3 φ CD o Φ co rt P o P cn cn Hl p P

P- PO μ- φ P -> to P ¹ μ <ua CD o Φ 3 co G: φ PP "3 tr to co O φ _^ _^ pi ua DJ:

P Φ P et P c P- rt TJ HP IM co ia G Hl CO TJ P- rt J TJ P 1 Φ ia a et Φ rt ia 3 Ω X DJ co DJ ι-3 DJ Φ oo • tr φ es o CD PO P- Φ H \ Ό ~ o 3 CO et co P CO φ ia tr P- CD P et 3 HH P- o PJ P ia 3 rt O 3 DJ ι-3 tr 00 00 Φ Ω • co rt CO CD Φ φ μ- rt D ⁾ 3 ^ CO Ω P φ μ- PJ et al. co TJ \ ~ - rt O Φ et tr

0 P> es Φ et CO Ω • Ω 1 tr fr Hl P rt Ω P to P- Φ et P a a N P σ

3 00 tr H Φ ^ Hl a tr for Hl HH m 3 co Φ o • for PJ φ P Hi TJ Φ Φ Φ Φ DJ: P-

P- Φ P ¹ H CD P Φ σ HO PH Φ t P-> P 3 a 3 TJ 0 1 μ- CO CO co P φ rt DJ P Φ rt Φ P and others DJ 55 TI> ** _ rt rt TJ CΛ μ- PJ μ- φ PP TJ et fr d et 3 rt Φ 3 Φ co P- 1 TJ 1 fr 1 o Ω 3 φ Φ 3 o 3 P co Pi Pi et tc

55 Pi P TJ 3 3 CΛ ua Φ G G 55 0: <G 3 tr ua 3 et ua o o 0 d-> φ P

P- J P G o Φ N CD er CD φ 3 0 co P- rt Φ 00 et μ- P ~ j et <0 o • P 55

P a ua O φ a 3 o 3 55 Φ Φ Φ Φ P 3 3 φ et 0 o φ DJ t 0 0 PP Φ for PJ Φ ua P Φ ua TJ es φ P- PNP a Φ PG: P DJ P 3 fr P aa CΛ tsi P

G co PP a P s. er P- 3 Φ Φ 3 CΛ δ er a P ¹ et 3 Φ o tr P- μ- P- G a

P DJ Φ <H3 Φ et 00 P- G 3 o and others PJ Φ 3 00 co PP ¹ DJ 3 3 Φ and G and others JX 3 3 <! o OP Φ oo P "» Di o φ PP Φ to 55 03 et H 3 DJ JPP

CD P φ 3 * _* Φ 3 O tr a G TJ 55 P rt Hl Φ o Hl CO a rt rt P P- and others

<! o P Φ P J a CΛ <! P 55 Ω \ PJ: φ P o P DJ! rt Φ P- μ- G Hl co o ua a 3 a 3> 1 Φ Ω TJ φ Φ a 0 tr H tr Φ μ- P- Pi:> a G H DJ 3 O o et Hi J

HP Φ DJ P- 3 TJ 3 3 ^* 1 P rt DJ tr o \ -> P- P CD p TJ Φ P -> Ω • 3 3 NP

PJ P 00 CD rt 55 P 3 G tr D Φ DJ> et P Φ et 3 1 3 a et fr CD co Φ DJ o

3 • σ co rt Φ o LJ. P- CO Di: sS P- P ¹ TJ Φ P • P ¹ G • • CD o TJ TJ PG and others

G 3 ⁴ 3 rt Φ et φ μ- P- N CO 1 55 P- CO a DJ PP Hi P

P co J. GG: ca O 55 et P rt P 55 a TJ φ tr φ σ Ω φ σ DJ M P- CD O oa PJ et ^> <μ- 3 er 3 G for Φ CD " _* a φ J Hl PP Φ P- P- tr P DJ co CD 3 NN DJ a

Φ w P a Φ a 3 o μ- rt CD P- co O oa h- ^> Φ CD Pt Φ φ N DJ 3

P et P CD and others M μ ^j Φ a μ- rt rt φ μ- Φ and others N 3> 3 CD co G co Φ er Φ ti co CD CO H μ- P- ¹ • Ω σ Φ Φ TJ OP φ 3 fr Φ a sS G: 3 TJ CD od 3 d to a et TJ co and others H tr tr JP 1 δ er Φ o rt Φ Φ Φ CD s5 H 0 oa CΛ co

3 among others μ- φ P et Φ Φ • CO CΛ co> O μ- 3 3 PPX P- o Φ Φ PP Φ P- *> aa P 3 Φ P- o PJ 3 3 among others Ω rt TJ (- ^■ 0 among others Φ φ et Φ 3 3 CD co P u

Φ Φ μ- d P- Ω Ω TJ X Φ Φ tr Φ TJ P ¹ tr Φ CΛ φ 3 3 μ- Φ 3 a φ p er

3 P Hi P <φ P for P P- including P 3 r ~> CD P o P 3 P- r- ¹

• G 3 cn cn CΛ DJ μ-

Hi Φ DJ • 3 0 φ Φ CD μ- CΛ P- et φ J Ω N rt rt P- o P- ¹ P rt cn cn o co

<CΛ PP ¹ 3 5 ia P rt et Ω Ω JHJ P- ia Ω φ ia P- • n P-

Φ <P- tr to CΛ φ P Φ G: Φ rt tr DJ Ω a PJ ". Φ <t Φ tr a CD Φ P- TJ o CO

P o ua μ- φ o 3 DJ μ- σ CΛ 3 et fr DJ rt P3 P ¹ 0 μ- P P- PP co α \ μ- to

3 P 3 3 • 00 3 a 3 3 Φ rt μ. P- co to rt o H 3 H> P- among others Φ Φ rt μ- r-3. Φ

P- DJ a *> μ c 3 P Φ rt O CD Hi Φ Hi 3 r rt et> t Ω 3 Φ n 1 tr c 3 P ¹ rt 3 OJ Φ 55 rt P- tr er CD> DJ rt μ. 3 tr ia a 1 1 1 P 1 φ 1 Ω P Φ Φ J er 1 1 ia μ- CO Φ 3 3 tr φ P- P 1 Φ

CO 1 3 1 P 3

When the interface programs 80, 82 are first implemented, two platforms must be adapted. The second interface program 82 must be integrated into the commercial platform 72. The first interface program 80 must be implemented in the program system of the coordination processor 66. However, in comparison to the SCCP / TCAP protocol stack, these interface programs 80, 82 have a very simple logic, since in principle they only "pass through" the signaling information in the form of user data. This means that protocol monitoring, the route search function and other functions are simple and completely transparent. Since these interfaces 80, 82 only transmit data, they have to be changed when services or protocols, e.g. the protocol of the TCAP user, cannot be modified.

When connecting further platforms, in particular platforms that are processed on other hardware systems and / or with the aid of other operating systems, the first interface program 80 can also be used for these new ones

Platforms can be used unmodified. The second interface program 82 may have to be adapted to the new platform or newly created for this platform. If the second interface program 82 is created on a first platform for dynamic reasons, for example with the aid of the programming language “C ^w ,” then this second interface program 82 must be created anew on a second platform. However, if the second interface program 82 has been created with the aid of a platform-independent programming language, such as, for example, with the programming language “Java”, the second interface program 82 can also be used unmodified on other platforms, unless it is necessary that to create a second interface program, for example for performance reasons, in a platform-dependent programming language of this platform, but due to the simple structure of the second interface program 82, no great effort is to be expected for the creation. C ω ro NO P ¹

Cπ o cπ O Cπ o cπ

5 inter alia for JX Pi G: GGG: CD et a co to P ¹ N δ TJ CD H CΛ 00 o CΛ CΛ φ cn CΛ 3 D ⁾ <! rt ia M φ Φ o P Φ O er P er er rt Φ P- o rt t Φ o P Ω PO to 3 μ- OP cn o Φ G Φ Φ P CO

P 3 TJ o PO Φ a Φ Φ Φ P φ ua Φ φ to 3 o tr O CD ua O co o • co P 3 DJ a φ μ- rt a PPPP P- ¹ 3 Φ CD 3 N Φ rr) TJ P - DJ P TJ rt TJ et er 3 er

Φ 3 Φ 0 Φ a rt a et et P ⁴ P- CΛ 3 H ¹ . -. O Φ φ 3 P- \ Cfl GJ \ Φ Φ ^^ 55 DJ G CΛ 3 Φ

3 P for 3 P- P Φ PP Φ P P- DJ Φ Φ PP CD and others H3 et Hl P ^J Hl P Hl P- G 3 Ω CD σ rt O 3 DJ P DJ DJ P P- and others 3 N CD a GO sS P- n CΛ er o φ CD a tr co rt

IN THE DJ. H et DJ and others including TJ φ 3 3 Φ cn P- o φ P Ω DJ CO Ω c Ω Φ 3 o Φ

G rt H P et G <G G P P DJ rt to fr cn Φ P 3 TJ PJ 3 P- TJ tr 3 J a tr 3 P- tr

Φ M CD DJ P- 3 Φ PPO et ⁴ Φ Φ rt CO cn 1. a Φ 1 P a 1 DJ rt rt 3 rt φ 3 P- 3 0 ao P ao ao ia • P- PP P- ~> φ TJ P TJ P- Φ TJ CD • P- rt P-

P- 3 P- co 3 er co co P co tr o co Φ cn P p- PP ¹ IM GP rt 3 P co 01 et a

3 Φ Φ 3 TJ CD N P- CD TJ DJ σ P- CΛ DJ P et 3 cn co co o o ci P o rt o φ Q rt et μ-

DJ P DJ Xi X 3 rt P 3 P- φ P- et μ- rt et rt 3 ia t co CD rt P Φ Φ 3 φ

P Hl i Φ P P μ- a P o 3 Φ P ua tα φ TJ c Φ O o \ ° co O rt Φ O CD a d Φ

O o P- Φ O co c Φ et c P X Ω μ- P 3 Φ for TJ? R Φ P- fr rt o 3 tr £

TJ H 3 3 3 N Ω 3 Ω o 3 <3 DJ Φ tr P DJ a P- oa 3 P o H 3 o Φ Ω a Φ PO: o ua <! Φ et Φ tr among others δ for rH Φ among others H μ- Φ et CΛ PP ⁴ Φ TJ o H ¹ H • H tr 3 φ among others

£ rt φ 3 CO Φ CD Φ o PP CD H et to tΛ rt a Ω Φ CD HNH Φ H CΛ 3 TJ P P- ¹

I P <CD 3 CD DJ tr for P- φ et Hi Φ tr D φ Φ o P CO Ω δ μ- P Φ P-

> a et α o O rt NH ¹ P μ- DJ PPS! Φ 0 3 P 3 et> 3 CD et TJ rt tr 0: rt 0 P Ω

3 DJ P- DJ 3 P a φ 5 CD P 3 ua tr DJ = G b P- O: DJ G φ CD PJ P a DJ 3 P ua tr to tr Φ et Φ c μ- Pi a DJ: μ- tr Φ 3 N rt Ω H, 3 O Ω O Φ Ω μ- P a P CΛ fr

Ω Φ P Φ Φ cn P φ o N Φ GHHPHP 55 rt P ¹ fT 5 rt P fr and others P fr rt φ μ- DJ o Φ tr P- G 3 P- cn H Ω • PP Φ P CD P -J φ CD P- O DJ P- CO P Φ rt 3 Φ 3 tr μ-

3 Ω 3 <G tr CÖ ua rt Φ ^ <Φ to μ- rt Ω 3 Φ a DJ -J CD to 3 et

G 3 ia O Φ et Φ 3 φ • G co N Φ μ- co Ω et Φ tr μ- a P cn Φ 3 CΛ cn rt DJ Φ P- _^ co P- 3 3 Φ P ia P CO DGPP rt tr a Φ} -> φ 3 φ Φ 4- »O Ω * _* Φ G 3 co rt co Ω a et P er a Φ rt P Hi φ Φ P DJ P P- co 3 tr P <Ω to rt φ tr Φ DJ DJ P φ DJ a ö 3 P- oa 3 Φ P Φ TJ a cn co 3 P- tr CΛ co DJ

P- rt P P- DJ μ- 3 00 Φ co 3 G for Ω <P ua C ua P tr Φ N a φ P o P- 00 Φ μ- a rt co

3 • 3 rt 3 a P Φ o Φ Φ a Φ Ω TJ * <PG Φ PG _^ et 3

P CD 3 Φ Φ CD tr C: Φ Φ μ- cct → DJ P 3 P p- a D tr 3 P tr TJ et a TJ φ 3 P φ σ er P 3 φ 3 3 for GG → er Φ rt PO P- ^• ^ G TJ for CD Φ P tr J ~ -

P- μ- Φ Ω P and others aao J CD P φ P- P- p- P φ μ- and others? Ro Pt CΛ P Φ O: rt co OPH ^{1 for} Φ DJ et Φ P Φ O et co 1 and others PPP rt et P DJ 3 3 Ω a PP Φ et al. Φ μ- o 3 co et P- 3. CD N 3 σ N fr a PJ w H ¹ rt DJ H 3 J tr Φ TJ P P- ¹ i PPD 3 TJ

G: CΛ P 3 et rt c φ 1 a CD P- GH ¹ S! rt CO P- φ 3 PP Φ P ^« o Φ μ- 3 P Φ tr μ- DJ Φ DJ o Φ 3 P TJ DJ 00 φ o P" - Λ • rt 3 co P Φ P- o 3 Φ o 3 Φ Φ OP

Φ ia co H- P- C N P co P- o ia> σ Φ Ω N 3 et CD N 3 P 3 CΛ P P ia CD

P 3 Φ 3 φ Φ DJ P- 0 Hl HP CD 1 σ 00 tr P- φ et φ φ DJ TJ a Ω d NP et rt DJ 3 N Φ P 3 φ et NG: φ rt D ö <Φ (- ¹ o φ Φ 3 CO P- co GP P- 00 tr 3 P- DJ Φ

P -> Φ ΪS P G: G a H 0 G tr 3 P et P- Φ P Φ rt et P co Ω O 3 o 3 and others φ 3

DJ μ- 3 Φ tr 3 φ fr 3 PO Φ Φ PP a <H P- Φ • o tr ia DJ p- to H CΛ ia CD p- Φ φ ia P Φ o rt TJ HG 3 i TJ Φ Φ Φ Φ P ⁴ PP rt 3 et μ- P ¹ Φ Ω φ μ- er et P- P φ PP ¹ Φ Φ Φ <P- 0 P CO P 3 PP ¹ α co 3 DJ P- μ- et 3 Φ 3 3 ^*

3 φ IM Φ 3 rt CD 3 H "p- Φ DJ P P Φ rt o O er Φ Φ Φ P- 3 O rt co Hi 3 3

P 55 3 Φ P co TJ P P- et G P et P and others «μ- J 3 3 P cn et 3 rt o 55 P-

G co PJ a H Φ 3 et _^ -, P 3 P ¹ a P 0 3 H TJ to Φ CD a Φ HJ P- rt

X 3 J and others c P- DJ DJ P Hi CΛ and others μ- G P- DJ 0

3 a DJ Φ P Pt rt a _^ TJ Φ H 3 P ¹ Φ rt o and others NP φ φ 3 φ G CΛ o Pt ri ^¬ 3 PPG rt P- o P o φ PD et and others DJ 3 a 3 rt P and others 3 DJ DJ CD tr CD GOP 3 a et Hi φ OP tH C a 3 55 O Φ t rt a et

Φ a et co φ α Hl μ- tr 3 o 00 P ⁴ CD et P- and others Hi φ P rt φ μ- N 3 P- t Φ Φ

P- DJ G: O et 3 a DJ 0 a P 3 - G CD P- co PO co DJ PJ P φ Φ TJ O Hi 3 rt tr fr Φ Φ et P Φ P- _^ P et O to DJ NP 3 P "CO P 3 0 P ⁴

Φ Φ φ o 3 σ 3 φ 3 P ö rt t Φ ua Φ P rt 55 3 H a a CO O Φ P IM Φ

P- 3 P H J P DJ et a μ- to CD a P- μ- Φ PJ Φ PJ o and others 3 3 X 3

3 et P ⁴ rt 1 -j rt 1 μ- P 1 TJ Φ o 1 -0 rt co CD PP φ TJ φ P CO φ to Φ Φ Φ PPP to co P- co DJ μ- P DJ 3 P o co o 1 1 3 to 1 O 1 1 1 1 1

PCM connection, i.e. a PCM path between this PCM connection unit 96 and the application computer of the commercial platform 72.

The data is transmitted on the PCM link using a pulse code modulation method. The TIF-TCAP interface program 82 is part of a network layer 94, the so-called universal mediation layer. This network layer is arranged for the coordination and control of the data transmission in the commercial platform 72, in particular for data transmission using the PCM links.

FIG. 7 shows a second exemplary embodiment for a physical connection between the coordination processor 66 of the switching center 12e and the commercial platform 72. In this exemplary embodiment, the switching center 12e and the application computer of the commercial platform 72 each have an interface which supports data transmission based on an Internet protocol. The data transmission of the signaling information between the commercial platform 72 and the signaling system 76, 78 of the coordination processor 66 takes place with the aid of an Ethernet connection between these two interfaces.

FIG. 8 shows a further exemplary embodiment for a possible physical connection between the coordination processor 66, the switching center 12e and the commercial platform 72, the commercial platform and the connection group C for controlling the PCM connection between the application computer of the commercial platform 72 and the switching center 12e are redundant. The embodiment shown in Figure 8 is similar to the embodiment shown in Figure 6. However, the assemblies of the embodiment shown in FIG. 8 are redundant in the embodiment shown in FIG. 6 not implemented redundantly. The connection controller 98 is connected to the coordination processor 66 via a signaling channel. Further connection controls are also connected to a signaling channel of the coordination processor 66. Of these further connection controls, a connection control 104 is shown in FIG. 8. The connection unit C for connecting the PCM connection between the commercial platform 72 and the connection controller 98 is designed redundantly as a connection unit 96a and as a connection unit 96b.

To the connection unit 96a and to the connection unit 96b, two signaling channels are each set up as a fixed connection, as a so-called long-term connection (NUC: Nailed Up Connection). Between the connection unit 96a and the commercial platform 72a and between the connection unit 96a and the commercial platform 72b, a data transmission channel with a transmission capacity of 64 kbit / s is set up as a fixed connection, an LAP-D data transmission protocol being used to control the data transmission. Between the connection unit 96b and the commercial platform 72a and between the connection unit 96b and the commercial platform 72b, a data transmission channel is also connected as a fixed connection with a data transmission capacity of 64 kbit / s, the LAP-D data transmission protocol also being used.

The commercial platforms 72a and 72b can be arranged in a common application computer. This application computer should have at least two processors, at least one first processor processing the program data for providing the commercial platform 72a and at least one second processor processing the program data for providing the commercial platform 72b. The commercial platform 72a is active and the commercial one

Platform 72b is on standby, so the commercial platform 72b should the commercial platform fail oo to to P ¹ cπ o Cji o cn O cπ

co co to ro cπ o Cn o Cπ o fr Φ Φ co TJ et aaa M ⁴ CO CD H et P P> CO CO 3 u.a CD TJ co CΛ P ¹ co N δ tΛ to -0 DJ fr

PJ P- μ- Φ H Φ Φ Φ G P- rt O P- P- Φ d O P- 0 φ P et G ^ μ- IV ⁾ P- P- o P- φ ro 3 PJ

3 3 P P DJ CD o 3 3 cn Φ OD Φ co 3 3 JS. 3 P DJ Φ H co et al. Φ Φ Φ 3 P μ- et 3

3 Φ φ <J et DJ and others ^• P P- and others • _* a Ω N 3 H P- et 3 PH 3 φ 3 O: 53 3

3 P φ rt G Hl H CD er M d φ tr μ- 3 Φ Φ DJ tr GP ¹ φ PO

NP Hi Pi Pi P TJ 3 Φ Φ 3 P CD P ¹ P- Φ Φ φ Φ P 3 H DJ 3 Φ PS et P

• on CD O tr 1 et P 55 μ- P P> including G to 00 o 3 P Φ P- rt u N DJ H ¹ et Φ cö 0 a P DJ 2 Φ 0 Φ co o CO 3 cn μ- 00 P ¹ 3 a co • CD TJ P- P μ- P

TJ a Φ 3 G Φ P and others 3 TJ a Hl and others a DJ Ω H φ O to • ^ Φ P- CD P ⁴ φ P- Ω P-

Φ φ CD Φ et 3 P a μ- Φ d co Φ d a Φ P- 3 φ to φ ö ^ DJ H TJ tr Ω t

Φ P 3 -J 3! M Φ DJ G Φ CO σ 3 co P Pi DJ and others H ^ _* P- P DJ CO et H d tr Φ

P- et DJ P) (O φ rt 3 3 μ- P- fr ^ ua P φ rt J 03 3 i G CO et et Φ H ua et

3 φ 3 3 for co CD 3 ao tr Hl Φ et co <Φ ao 3 Φ H ¹ IO CD co o 3 Φ Hi 3 DJ Φ PP

P 3 et a DJ co DJ i μ- et Φ er Φ CD P DJ P- o o Φ 3 O rt et Φ Φ

W rt Φ P- 3 P> er TJ Hi 1 CΛ 0 Φ P DJ CD DJ rt a 3 Φ P co P P Tl μ- P DJ μ-

X φ Φ P φ 3 «5- co Φ P rt 2 P- 3 3 3 d et et sS rt μ- a CO a P- CD C 3 (- ^■ o Φ μ- er

TJ μ- 3 3 3 • N o Φ Φ P- et Φ IM P- Pi Φ o μ- 3 et 3 DJ P 3 μ- Φ

Φ P Φ et G: Φ Φ ua a et 3 3 a rt H P O 3 CD 3 3 Hl Φ a rt 3 co P

P Φ H et. σ "P- P- P DJ N DJ p- rt CD μ- N a P Φ oa DJ O to rt a et μ- er CD 3 CO Φ Φ 3 Ω DJ P Φ d Φ P- et G 3 3 3 Φ et P CO a Hi Φ φ rt tr a

Φ PP Φ 3 ^* 3 including co P- 3 3 C 3 • ^ DJ P- P μ- 3 Ω DJ fr OP <P Φ tr Φ P »D 3 Φ co a et 3 a Tl G CD et Φ o DJ tr co Φ PO Φ P

Pi φ P 00 rt a CΛ Φ co μ> P- tQ • a μ- o to o 3 t 3 P- 3 <3 3

C: CD 3 • 3 P- J et 00 et * =. φ tr IM CO μ- ua tr 3 DJ a to P- P- J 3 Φ r

P rt Φ Φ sS φ P> c »Φ PJG CD S2 Φ GG μ- C Φ TJ O et P Φ -o. P ao μ- rt tsi p- Φ DJ 55 - _* P- ¹ o G et 3 et Φ PJ 3 et CO co P 3 et o 3 t 3 Φ> 3

Φ 3 ω • P 3 tö Ω P- P ¹ P- 3 Φ P- DJ: P ¹ auo Φ o and others μ- P d 3

P- Φ tö Φ a φ tr P a et 3 and others Φ tö P ⁴ et tr cn co J Φ JN 3 et P a μ- et Ω Φ

3 et μ-. G a a DJ • a o μ- Φ Φ P a c CO P φ Φ DJ μ- o rt <3- P

Φ rt <3 P- φ • ^ co co 3 P Φ P -> 55 • n Φ Ω Ω o co X 3 P rt P ⁴ Φ N

P Φ 55 Φ and others Φ P DJ ^ φ φ tr μ- Φ P- P tr tr and others CD Φ μ- Φ d P? T P-

3 P- P CD 3 σ a DJ ⁴ CD 3 P- P> P- Ω P- PP o μ- Φ co f DJ 3 3 DJ Φ

55 "1 Φ P er P o μ- P- G co et et t 3 3" et φ <PJ o DJ P et 3 ^ et G and others P- 3 P "φ PJ μ- a μ- φ tr 3 Φ Ω φ CΛ co DJ Φ X Φ M co 3 co Φ TJ CO Φ co O rt 3 P "

3 Ω 3 P Ω Φ a 3 tr CΛ 3 o et P- 55 P DJ H CD CD 3 PP et 3 and others O rt Φ a tϊ φ aa tr PG et P- φ π Φ a co μ- Φ 3 φ CD cn 0 Φ φ et H a 3 c ua Φ G 3 Hl 3 P> ua TJ J et φ P ⁴ μ- ^ 1 3 ^ <cn N ua 3 tsi co Φ d μ-

3 φ CΛ 3 3 Φ \ -> ia a H 3 sS \ HP <rt μ- co • GPG Ω 3 φ J ia er TJ ia P DJ: DJ CD DJ Φ m Φ ia a Φ er et P- rt DJ a ua tr P ¹ ua P "

CD μ- P> * Ω CM N P- ¹ P- o 3 Φ P- μ- P Φ M et α Φ a 3 Φ PP ¹ Φ to fr PJ i Φ DJ 3 3 tr GG o μ- rt CD 3 Φ er NG Φ μ- 3 for Φ P P- o to o et

P et Ω 55 μ- a Φ ^ co Φ TJ <et P- Φ 3 P Φ CD rt 3 Hi to μ> rt et o CD tr φ rt Φ Φ P- μ- P 1 O Φ CΛ <3 P- and others P- 00 <Hi co to Φ ua <3 P Φ μ- a Ω φ Φ TJ 3 P- Φ a Ω o N CΛ a <! CΛ O Φ φ φ H ¹ φ O

P DJ φ a Φ P- 3 DJ for PPPH and others PG tr co 53 Ω Φ P- μ- P PJ PP ⁴ PP

DJ P P Φ μ- DJ P φ CD c o CΛ et 3 er 3 3 et P- tr P et ua G: 3 G 3 Φ N 3

3 among others P 3 Φ 3 co et 3 <et Φ • Di P- among others Φ Φ co P 3 tr μ- H, μ- P-

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the user (the user) of the Internet 18 uses on his application computer. In this way, the user can activate the manufacturer's website in this application software so that the content of this website is displayed on his application computer. He can work through the help offered on this page, which is usually in writing, to find a solution to his problems.

Via an input field, he can still request advice by telephone and / or help from an expert. To do this, the

Transfer subscriber data, in particular the telephone number of the subscriber's telephone line, to the application program 84 of the commercial platform 72 via the Internet 18. The user program 84 converts the subscriber data of the user into signaling information which the application program 84 transfers to the second interface program 82. As already described, the signaling information is transmitted in the form of data to the first interface 80, which is arranged in the switching center 12e and is connected to the signaling system 74, 76, 78 of the coordination processor 66. The signaling information of the application program 84 is thus transferred to the signaling system of the telecommunications network 14.

With the help of the signaling network of the telecommunications network 14, the signaling information is transmitted to the signaling system 112 of the switching center 12a, to which the expert's subscriber line is connected, to which a telephone connection is to be set up. With the aid of the signaling information transmitted to the signaling system 112, a connection is established between the subscriber line of the user and the subscriber line of the expert.

In other exemplary embodiments, the connection is established and the connection is controlled between the expert and the user with the aid of a further switching center or •

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be arranged, to which the commercial platform 72 is connected, on which the application program 92 Click to Conference is processed. The commercial platform 72 is e.g. a so-called open system platform.

With the aid of further automatically generated signaling data, the application program 92 of the commercial platform 72 controls the calling of the conference, in particular the signaling data, with the aid of which a connection to a greeting announcement and then to a waiting announcement is switched to the subscriber line of each potential participant of the telephone conference. The communication partner of the 92 Click to Conference application program is the conference control unit. The conference control unit is a so-called Intelligent Network Application Part (INAP). For the switching centers of the subscriber connections of the conference participants, the connection setup is a conventional connection setup of a calling subscriber to the subscriber of the subscriber connection of the respective switching center. The conference control unit thus establishes a connection to each of the participants, connects the user channels and carries out the connection control of the connections to the individual conference participants. The application program 92 of the commercial platform 72 can be supplied with data which can be displayed on the website to the subscriber who has called the conference call and thus inform him about the status of the call of the conference call.

The connection between the interfaces 80, 82 can also be realized using any other physical connection for data transmission. Any other data transmission protocol can also be used for data transmission between the interfaces. The exchange of the signaling information with the application programs 84, 92 of the commercial platform 72 is over for the switching centers and control units of the telecommunications network 14 the interfaces 80, 82 are just as transparent as if the commercial platform 72 had direct access to the signaling system of the telecommunications network 14.

Claims

claims

1. method for operating a telecommunications network,

in which a network element (12e) of a network node of a telecommunications network (14) is controlled by a control computer (66),

in addition to its operating system, the control computer (66) has at least one first interface program (80) and a signaling program (76, 78) which implements signaling processes between the control computer (66) and further control computers (34, 36, 38) of the telecommunications network (14),

an application computer (72) is connected to the control computer (66), which in addition to the operating system assigned to it has at least one second interface program (82) and at least one application program (84 to 92),

with the aid of the second interface program (82) data are transmitted to and received from the first interface program (80) which contain signaling information,

the signaling information of the data transmitted by the second interface program (82) is fed to the signaling program of the network element (12e) with the aid of the first interface program (80),

and in which signaling information for the application program (84 to 92) is fed with the aid of the signaling program (76, 78) of the network element (12e) to the first interface program (80) which transmits data with this signaling information to the second interface program (82), wherein the signaling information received is fed to the application program (84 to 92) with the aid of the second interface program (82).

2. The method according to claim 1, characterized in that the signaling program (76, 78) of the control computer (66) and signaling programs of the further control computers (34, 36, 38) form an independent signaling network within the telecommunications network (14), with between the control computers (66, 34, 36, 38) fixed signaling channels are connected.

3. The method according to any one of the preceding claims, characterized in that the signaling processes are carried out using the signaling system No. 7.

4. The method according to any one of the preceding claims, characterized in that the signaling program (76, 78) provides services to at least one user part.

5. The method according to claim 4, characterized in that the first interface program (80) is the user part of the signaling program (76, 78). •

6. The method as claimed in one of the preceding claims, d a - characterized in that the signaling functions which the signaling program (76, 78) has are provided to the application program (84 to 92) with the aid of the second interface program (82).

7. The method according to any one of the preceding claims, characterized in that the data transmission between the first and the second interface program (80, 82) takes place with the aid of a LAP-D data transmission protocol or with the aid of a data transmission protocol which is based on an Internet transmission protocol.

8. The method according to any one of the preceding claims, characterized in that the application program (84 to 92) is connected to a network (18) based on an Internet protocol, and that a participant via this network (18) with the help of the application program (84 to 92) Services are made available which require signaling information exchange with the telecommunications network (14).

9. arrangement for operating a telecommunications network,

with a control computer (66) which controls a network node of a network element of a telecommunications network (14),

wherein the control computer (66) has at least a first interface program (80) and a signaling program (76, 78) in addition to its operating system, the signaling processes between the control computer (66) and further control computers (34, 36, 38) of the telecommunications network (14 ) realized,

with an application computer (72) which is connected to the control computer (66) and which, in addition to the operating system assigned to it, has at least one second interface program (82) and at least one application program (84 to 92),

wherein the arrangement executes a method according to one of the preceding claims when processing the programs with the aid of the application computer (72) and the control computer (66).

10. Telecommunications network, characterized in that it contains a plurality of network elements (12a to 12f) and that it connects the subscribers connected to the network elements, the telecommunications network containing at least one network element (12e) according to claim 9.