Faster call set up for Push-to-Call (PTC) services over cellular networks
Abstract
A wireless communication network is disclosed comprising a base station system (202), a switching system (204), and a transport network (206). The transport network (206) comprises a conventional signaling network (212) configured to transport call signaling and a bearer network (214) configured to transport user communications. The bearer network (214) also transports call signaling, as special connections (216) are established and a portion of the capacity of the special connections are reserved for transporting call signaling. In response to receiving call signaling from a mobile wireless device (210) or a packet data network, the base station system (202) or the switching system (214) determines if the call signaling is for a low latency service. If the call signaling is for a low latency service, then the base station system (202) or the switching system (204) forwards the call signaling over the special connection (216). If not, then the base station system (202) or the switching system (214) transmits the call signaling over the conventional signaling network (212).

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1 sheet
Sheet 1
Every citation, both waysCites: the store holds 4 of 5
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| EP1463346A1 | Cites | European Patent Office (EPO) | E | Search report | 1-3,5,6,8,9 |
| US2002173326A1 | Cites | United States of America | X | Search report | 1-10 |
| WO2004098094A1 | Cites | World Intellectual Property Organization (WIPO) | E | Search report | 1-3,5,6,8,9 |
| US5983099A | Cites | United States of America | X | Search report | 1-10 |
12 members in 6 offices
Priority claims4
| Document | Office | Kind | Date |
|---|---|---|---|
| 687319 | United States of America | – | |
| 68731903 | United States of America | A | |
| 687319 | – | – | – |
| US20030687319 | – | – | – |
Members12
| Document | Office | Kind | |
|---|---|---|---|
| EP1524869A2 | European Patent Office (EPO) | A2 | |
| KR20050036714A | Republic of Korea | A | |
| US2005085234A1 | United States of America | A1 | |
| EP1524869A3This record | European Patent Office (EPO) | A3 | |
| JP2005130481A | Japan | A | |
| CN1638502A | China | A | |
| EP1524869B1 | European Patent Office (EPO) | B1 | |
| DE602004014576D1 | Germany | D1 | |
| US7522565B2 | United States of America | B2 | |
| CN100562183C | China | C | |
| JP4526913B2 | Japan | B2 | |
| KR101099433B1 | Republic of Korea | B1 |
34 legal events, as 4 offices reported them to INPADOC
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| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Notification of lapseLapsedST | ST | FR | |
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | EP | |
| Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal feeWithdrawnR119 | R119 | DE | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
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| Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)REGISTERED BETWEEN 20131031 AND 20131106732E | 732E | GB | |
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| Corresponds to:REF | REF | EP | |
| Designated contracting statesAK | AK | EP | |
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| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
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| Request for extension of the european patentAX | AX | EP | |
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Numbers
- Publication
- 1524869
- Publication, DOCDB
- 1524869
- Publication, EPODOC
- EP1524869
- Application
- 4255944
- Application, DOCDB
- 04255944
- Application, EPODOC
- EP20040255944
Titles3
- German
- Schneller Aufbau einer PTT (Push-toTalk) Anrufs in einem zellularen Netzwerk
- English
- Faster call set up for Push-to-Call (PTC) services over cellular networks
- French
- Etablissément de communication PTT (Push-to-Talk) rapide dans un réseau cellulaire
Classification
- CPC, 4
- H04W76/15
- H04W4/10
- H04W76/45
- H04W92/14
- IPC, 7
- H04M3 00
- H04B7 24
- H04B7 26
- H04L12 56
- H04W4 10
- H04W76 04
- H04W92 14
Designated states33
- Contracting states, 28
- Austria
- Belgium
- Bulgaria
- Switzerland
- Cyprus
- Czechia
- Germany
- Denmark
- Estonia
- Spain
- Finland
- France
- United Kingdom
- Greece
- Hungary
- Ireland
- Italy
- Liechtenstein
- Luxembourg
- Monaco
- Netherlands (Kingdom of the)
- Poland
- Portugal
- Romania
and 4 moreShow fewer
- Sweden
- Slovenia
- Slovakia
- Türkiye
- Extension states, 5
- Albania
- Croatia
- Lithuania
- Latvia
- North Macedonia