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PPT : Wireless Voice over IP

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Wireless VoIP: becoming “the” infrastructure

* Need to bealways on, meet the classic 99.999% requirement,
* Deal with societal issues, such as wiretap, in an end-to-end environment,
* Provide 911 like services:
o Special signaling, no hang-up,
o Location services, route to local 911,
o “Emergency” level for QoS.

Wireless VoIP: loosing control of services
* IP signaling isend to end
o SIP agent “outside” the network,
o Service independent of transport.
* State is kept in the device:
o Local implementation of services,
o Call waiting, multiparty call in device.
* Empower users, unleash creativity

Wireless VoIPRoadmap
* Solve the uplinkissue:
o QoS on “first hop”, not end-to-end,
o Independent of payload type (voice, etc.)
o Security, authorization (DHCP, QoS).
* Encourage competition:
o “Secure Wireless DHCP,” Roaming
* Concentrate signaling work on SIP:
o Forget the ITU!

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PPT : Wireless Voice over IP Category : Wireless
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