Call data or bill records (CDRs) for every type of call whether successful or failed are first saved on softswitch call processing modules & then immediately transferred to bill gateway server specially meant for processing CDRs. Bill gateway server has heart beat & synchronization established with softswitch. Bill records from this server are handed over to billing server through FTP?FTAM.
Wholesale & retail services have different quality & quantity parameters. Retail traffic demands higher quality & therefore depends on quality interconnect routes whatever the quantity may be. Wholesale on the other hand requires medium quality but works on bulk quantity traffic. Rates are different for both types of traffic.
LDI focuses on class 4 operations & does not have its own subscriber base. It has only limited own subscribers for internal & test purpose. It however interconnects with various class 5 carriers depending on the business model.
LDI has a regulatory department which deal all kinds of legal matters with other operators & also PTA (Pakistan regulatory authority). This department is responsible for legal information sharing, regulatory complaints & enforcing regulatory policies within LDI.
It is a cable broadband internet service that provides high speed internet connectivity. WorldCall Cable Broadband uses a separate cable to connect you to the Internet without engaging your phone line.