The blacklist represents itself a list or register of entities which are denied privileges, service, mobility, access and admission due to these or other reasons. This function blocks all connections from the subscribers who are in the list.
PingPong Telecom currently provides International and Domestic Termination for Wholesale and Retail Carriers, Call Shops, Call Centers, Corporations, Prepaid Cards, In-Country Partners, IP Phone Providers, and International Organizations.