Patent ID: 8711757

Claim:
Apparatus for local access to data while roaming with a mobile telephony device at a roaming network, the telephony device being associated with a home network separate from said roaming network, the apparatus being located at said roaming network and comprising: a filter having a data packet inspection unit for inspecting packets to identify data packets addressed from said roaming telephony device for use via a home network data packet gateway, and a packet diverter for diverting at least some of said identified packets to a local data packet gateway; said filter being further configured to set up a diversion tunnel for additional packets having packet destination information corresponding to said diverted packets, said diversion tunnel being for locally routing said packets having corresponding packet destination address information to said local data packet gateway, wherein said filter is contained in a GTP signaling relay, and data is channeled from said roaming mobile device to said relay via a serving GPRS support node—SGSN, wherein a data packet gateway comprises a GGSN—said relay comprising an SGSN/GGSN emulator, emulating an SGSN to the home network GGSN and a GGSN to the roaming network SGSN.