BEGIN:VCARD
VERSION:4.0
PRODID:-//company contact export Version 1//EN
REV:2026-05-03 16:04:13
TZ:+0000
FN:Challenge Optimum SA 
N:;Challenge Optimum SA
KIND:individual
TEL;TYPE=WORK,VOICE:
TEL;TYPE=HOME,VOICE:0041227381311
NOTE:Rue des Plantaporrêts 3 1205 Genève david.balme@optimum.ch
END:VCARD