Details of telephonic subscriber devices

Child Classifications

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• H04M 2250/02 including a Bluetooth® interface
• H04M 2250/04 including near field communication means, e.g. RFID
• H04M 2250/06 including a wireless LAN interface
• H04M 2250/08 home cordless telephone systems using the DECT standard
• H04M 2250/10 including a GPS signal receiver
• H04M 2250/12 including a sensor for measuring a physical value, e.g. temperature or motion
• H04M 2250/14 including a card reading device
• H04M 2250/16 including more than one display unit
• H04M 2250/18 including more than one keyboard unit
• H04M 2250/20 including a rotatable camera
• H04M 2250/22 including a touch pad, a touch sensor or a touch detector
• H04M 2250/52 including functional features of a camera
• H04M 2250/54 including functional features of a projector or beamer module assembly
• H04M 2250/56 including a user help function
• H04M 2250/58 including a multilanguage function
• H04M 2250/60 logging of communication history, e.g. outgoing or incoming calls, missed calls, messages or URLs
• H04M 2250/62 user interface aspects of conference calls
• H04M 2250/64 file transfer between terminals
• H04M 2250/66 user interface aspects for indicating selection options for a communication line
• H04M 2250/68 with means for recording information, e.g. telephone number during a conversation
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