Q. 78 , What types of wireline services are supported by the billing system?
a) Basic Telephony (PSTN) only
d) Basic Telephony (PSTN), WLL Fixed, National Long Distance, International Long Distance, ISDN, ATM and IP Services, IN services like Free phone, VCC, ACC, Premium rate services, etc.), Centrex, PBX & PABX, Leased lines, E1/ISDN-PRI (in the context of reverse charging)
View answer✅Correct : - Answer: d) Basic Telephony (PSTN), WLL Fixed, National Long Distance, International Long Distance, ISDN, ATM and IP Services, IN services like Free phone, VCC, ACC, Premium rate services, etc.), Centrex, PBX & PABX, Leased lines, E1/ISDN-PRI (in the context of reverse charging)