Aastra
AEG
AGAIN AND AGAIN
Agfeo
Akai
Albrecht
Alcatel
Alinco
American
American Telecom
Ameriphone
Ameritech
Amstrad
Answer Call
Asahi Electric
Ascom
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AT&T
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Ativa
Audio-Technica
Audioline
Audiovox
Auerswald
AVANT
Avaya
Bang & Olufsen
Battery Country
Belkin
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Bell South
BETACOM
Binatone
BlueParrot
BlueParrott
Bosch
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Brondi
Bruno
BT
BTI
BYD
CABLE & WIRELESS
CASIO
Cheetah Range
Cidco
Cisco
Citizen
Clarity
Cobra
Coby
Code A Phone
Columbia
Comdial
COMfortel
Commodore
Conair
CORTELCO
Cosmo
Craftsman
Crofone
Daewoo
Dancall
DeTeWe
Digi-Phone
DNT
Doro
DORO MATRA
DSE
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EADS
EasyTel
ECHO
Edisson
Elcom
Elmeg
Embassy
Emerson
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Emporia
EnGenius
Ericsson
Essentiel B
Europhone
Excursion
EXTEL
Extend-a-phone
Fisher
Formerly
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Funai
Funktel
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GE
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General
General Electric
Genesis
Gigaset
Gold Star
Goldstar
GP
Grandstream
Grundig
GTE
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Hirschmann
Hitachi
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Huawei
IBM
iDect
Iloa
Incom
Innovaphone
INTER-TEL
Interstate
ITT
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Kathrein
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KIR
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KPN
La Phone
Lexibook
LG
Lifetec
Loewe
Logicom
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LUCENT
Lucent Technologies
Maestro
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MBO
Medion
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Poly
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Premier
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Quasar
QWEST
Radio Maxi
Radio Shack
Radix
RAYOVAC
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SANIK
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SBC
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Sharp
Shoretel
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Sigma
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Walker
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WAVE TECHNOLOGIES
Webcor
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Zenith
ZTE