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.
Offer direct white route to Viet Nam termination with competitive rate
and high quality. 100% full CLI and Non CLI; ASR: 65%;
ACD: 13 minutes; PPD: 30s and Capicity 5000 calls.