AASTRA
AEG
AGFEO
ALBRECHT
ALCATEL
ANSWER CALL
ASCOM
AT&T
AT&T NOMAD
AUDIOLINE
AUDIOVOX
AUERSWALD
AVAYA
AVM
BANG & OLUFSEN
BEA-FON
BELL PHONE
BELLSOUTH
BINATONE
BOSCH
BROTHER
BT
CISCO
COBRA
CODE A PHONE
COMMODORE
COSMO
DAEWOO
DETEWE
DEUTSCHE TELEKOM
DNT
DORO
EADS
ECHO
ELCOM
ELITE
ELMEG
EMERSON
EMPORIA
ERICSSON
FREEDOM PHONE
FRITZ FON
FUNAI
FUNKWERK
GEMINI
GENERAL ELECTRIC
GOLDSTAR
GRUNDIG
GTE
HAGENUK
HANSEATIC
HITACHI
IDECT
INCOM
INNOVAPHONE
ITALTEL
ITT
JABLOCOM
KATHREIN
KENWOOD
KIRK
LENCO
LOEWE
MARTIN DAWES
MATRA
MEDION
MITEL
MOTOROLA
MULTITONE
NEC
NOMAD
NORTEL
NORTEL NETWORKS
NORTHWEST.BELL
OLYMPIA
PAC TEL
PACIFIC BELL
PANAPONE
PANASONIC
PHILIPS
PHONAC
PHONE MATE
PLANTRONICS
POLYCOM
PRIVILEG
RADIO SHACK
RADIX
SAGEM
SAMSUNG
SANYO
SCHAUB LORENTZ
SCHNEIDER
Schnurlostelefone
SENTINEL
SERD
SIEMENS
SNOM
SONY
SOUTHWEST.BELL
SPECTRALINK
STABO
SWISSVOICE
SYNERGY
T-COM
TAICOM
TELE CONCEPTS
TELE2
TELECOM SIP
TELEDEX
TELEFUNKEN
TELEKOM
TELEMATRIX
TELENORMA
TELESYS
TELSTRA
TENOVIS
TEVION
THOMSON
TIPTEL
UNIDATA
UNIFY
UNIVERSUM
V-TECH
VODAFONE
...