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Telex services
Recording services for telephone messages and music
Telephone conferencing services
Video conferencing/teleconferencing services
Audiotex services
Facsimile (fax) services
Voice mail services
Call centre operators
Value added telephone services
Multimedia message services (MMS)/Multimedia instant messaging services
Internet telephony service providers (VOIP)
Voice transmission via power lines (voice over power line)
Radio communication services
Payphone card network operators
Telephone services, satellite
Short message services (SMS)/text messaging services
Network providers for mobile telephones (cellular phones)
International telephone calling services
Paging services
Telephone answering services
Telephone directory enquiry services
Access towers and equipment, metal
Utilities bridges, temporary, steel
Masts and pylons, steel
Masts, metal, telescopic
Masts and towers, metal, for communication systems
Poles, metal, for telephone and electricity power lines
Towers, floodlighting or aircraft beacon, metal
Wind generator towers, steel
Structural steelwork for hydroelectric plant
Offshore structures, metal
Airport control towers, metal
Aerial holders
Electronic article surveillance (EAS) systems, acousto-magnetic
Electronic article surveillance (EAS) systems, electromagnetic
Electronic article surveillance (EAS) systems, radio frequency (RF)
Signalling equipment for firing ranges
Signalling discs, police
Warning devices, emergency, voice synthesis
