Telecom Revenue Audit Slide 6.2

Customer Services Slide 6.2

Quality of service (QoS)

•QoS parameters prescribed by Trai :

Provision of telephone after Registration of demand Fault Reporting Exchange parameters Operator Assisted Trunk Cals Operator Assisted Service Metering & Billing Credibility Customer care

Telephone Revenue Billing & Accounting Slide 6.2

Services provided by MTNL fall under 4 groups :• Basic Telephone (Landline)• Wireless in Local Loop – WLL Mobile (Garuda)• Cellular Mobile (Dolphin and Trump)• Telex• Circuits (Leased)

Annual Revenue (2001-02)

Service Rs. in crore Percentage

Telephone 5501 74.23

WLL 108 1.46

Cellular mobile 750 10.12

Telex 97 1.31

Circuits 955 12.89

Total 7411 100.00

Billing & Accounting System Slide 6.2

Carried out through Customer Services Management System (CSMS)

The system has the following five modules :• Pre connection module• Post connection module• Billing module• Collection module• Accounting module

Audit of Telephone ExchangesSlide 6.2