3 Hong Kong recently launched Numbers Master for iOS and Android phones based on a technology from BlackBerry. They also announced they'd be the first in Hong Kong to offer the new corporate-aimed DTEK50.
"3 Hong Kong is the first local telecoms operator to launch BlackBerry's thinnest-ever and highly- secure DTEK50 smartphone. Aimed at corporate customers, the DTEK50 offers an innovative, safe and reliable mobile service via Numbers Master. Starting today, customers subscribing to a monthly $1682 4G LTE plan can get the DTEK50 handset for free, along with a 1GB data entitlement, plus myTV Super Basic Pack and Premium SVOD3, and waiver of requirement to subscribe to a value-added service, during the contract period."
So what's Numbers Master? An application within the phone that allows up to 10 wireless numbers an access point via the single SIM. Something that proves beneficial with customers who handle a variety of personal and work numbers - allowing them to switch between their numbers with ease.