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| nco:VoicePhoneNumbernco:VoicePhoneNumber | 
A telephone number with voice communication capabilities. Class inspired by the TYPE=voice parameter of the TEL property defined in RFC 2426 sec. 3.3.1
    http://www.w3.org/2000/01/rdf-schema#Resource 
        nco:ContactMedium 
        ╰── nco:PhoneNumber 
            ╰── nco:VoicePhoneNumber 
                ├── nco:VideoTelephoneNumber 
                ├── nco:IsdnNumber 
                ├── nco:CarPhoneNumber 
                ├── nco:PcsNumber 
                ╰── nco:CellPhoneNumber 
“nco:voiceMail” property“nco:voiceMail” http://www.w3.org/2001/XMLSchema#boolean
Indicates if the given number accepts voice mail. (e.g. there is an answering machine). Inspired by TYPE=msg parameter of the TEL property defined in RFC 2426 sec. 3.3.1
Number of possible elements per resource (Cardinality): 1