H - Electricity – 04 – W
Patent
H - Electricity
04
W
H04W 4/22 (2009.01) H04W 4/12 (2009.01) H04W 88/02 (2009.01)
Patent
CA 2755670
A mobile station that is initially attached to a first type of wireless access network is involved in a packet-switched emergency call. Upon detection of transitioning of the mobile station, a message is sent indicating transitioning of the mobile sta-tion from the first type wireless access network to the second type wireless access network to cause the packet-switched emergen-cy call to be performed over the second type wireless access network.
Une station mobile initialement attachée à un réseau d'accès sans fil d'un premier type est impliquée dans un appel d'urgence à commutation de paquets. Lorsque la transition de la station mobile est détectée, un message indiquant la transition de la station mobile du réseau d'accès sans fil du premier type au réseau d'accès sans fil du second type est envoyé pour que l'appel d'urgence à commutation de paquets soit effectué sur le réseau d'accès sans fil du second type.
Jang Ke-Chi
Li Jun
Song Yi
Borden Ladner Gervais Llp
Nortel Networks Limited
LandOfFree
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