[IP] Voices without WiresBoingo Wi-Fi Insider for Tuesday, February 17, 2004
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Voices without Wires
The latest Wi-Fi abbreviation is VoWLAN: Voice over IP over Wireless LAN.
It's not as far-fetched as it sounds. For years, companies like
<http://www.mymailgenie.com/v3/CustomClick.aspx?rep_id=5922&clientid=660&campaignid=4104&pg=http://www.spectralink.com/>SpectraLink
have sold 802.11b-based VoIP phones to reduce costs and increase mobility
in companies.
Companies like
<http://www.mymailgenie.com/v3/CustomClick.aspx?rep_id=5922&clientid=660&campaignid=4104&pg=http://www.vonage.com/>Vonage
have captured the public interest in VoIP, rolling up 100,000 users paying
at least $25 per month for Internet-based phone access to the public
switched telephone network.
As the Vonage customer spills over into the business market, and as
products like SpectraLink's make their climb down the price tree --
especially with cellular operators and telcos considering VoIP -- the
demand on Wi-Fi for delivery of packets on a regular basis has increased.
The IEEE 802.11f, e, and i committees all have pieces of the pie for fast
access point handoff for roaming (f), prioritizing voice data (e), and
handling authentication during roaming (i). However, a number of vendors
are looking into forming a specific group to focus on this increasingly
important issue and ensure voice clarity on Wi-Fi networks.
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