EP 1609263 A2 20051228 - PACKET FILTERING FOR EMERGENCY ACCESS IN A PACKET DATA NETWORK COMMUNICATION SYSTEM
Title (en)
PACKET FILTERING FOR EMERGENCY ACCESS IN A PACKET DATA NETWORK COMMUNICATION SYSTEM
Title (de)
PAKETFILTERUNG FÜR NOTZUGANG IN EINEM PAKETDATENNETZWERKKOMMUNIKATIONSSYSTEM
Title (fr)
FILTRAGE DES PAQUETS POUR UN ACCES D'URGENCE DANS UN SYSTEME DE COMMUNICATION A RESEAU DE PAQUETS DE DONNEES
Publication
Application
Priority
- US 2004008973 W 20040319
- US 40394603 A 20030331
- US 43766703 A 20030514
Abstract (en)
[origin: WO2004095855A2] A method and apparatus method of filtering packet data for an anonymous user device in a packet data network communication system includes a first step of defining a special context information element containing special context information. A next step includes sending the special context information element in an activate packet data protocol (PDP) context request to a network to initiate a call from an anonymous user device. A next step includes configuring the data packets so that only the special context is allowed. A next step includes assigning an interim IP address to the user device. A next step includes mapping the data packets of the configuring step to the interim IP address of the user device. A next step includes defining permissible routing identities per the special context. A next step includes routing the data packets between only those permissible routing identities from the defining step.
IPC 1-7
IPC 8 full level
H04J 3/24 (2006.01)
IPC 8 main group level
H04Q (2006.01)
CPC (source: EP)
H04W 76/12 (2018.01); H04W 4/90 (2018.01); H04W 76/50 (2018.01)
Citation (search report)
See references of WO 2004095855A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2004095855 A2 20041104; WO 2004095855 A3 20050113; EP 1609263 A2 20051228
DOCDB simple family (application)
US 2004008973 W 20040319; EP 04759756 A 20040319