+22466441038X, +22466442012X, +22466442013X, +22466442014X ,+6757221132X
Domestic or International Radials:
Spam from Guinea and Papua New Guinea by single ring to Unitel Angola Subscribers .A total of 50 numbers were blocked.
Unitel Angola Subscribers
Forums: Communication Fraud
Guinea, Papua New Guinea
Four(4) ranges of 10 numbers each have been blocked from calling Unitel Angola Network.A total of 40 numbers from Guinea.
Ten(10) numbers from the same range originated from Papua New Guinea has been blocked also from calling Unitel Angola Subscribers.
All numbers where found doing single ring calls to Unitel Angola Subscribers .
Fraud Method :
Abuse of network, device or configuration weakness
International Revenue Share Fraud (IRSF)