Mobile users unlikely to get relief from pesky calls, text messages soon, say telco executives
Mobile phone users are unlikely to get a respite from the menace of pesky commercial calls and text messages anytime soon as the majority of these come from unregistered telemarketers (UTMs) using personal mobile numbers that are almost impossible to monitor or bar, say senior telco executives.

Got a call from this number, couldn't hear anything then had to hang up. I called back but it stated that the number wasn't in service,