Nairobi, Jan. 5 -- Nearly a quarter (23 percent) of Safaricom customers doubt the accuracy of what they are charged for mobile data and text messages, according to a regulatory survey that has put the spotlight on billing practices in Kenya's telecommunications sector.

The survey shows that only 77 percent and 77.7 percent of Safaricom customers believe they are accurately billed for data and texts, respectively, with the telco lagging behind Jamii Telecommunications, Airtel and Telkom Kenya on billing credibility.

Jamii Telecommunications is the best-rated operator, with 98.4 percent and 88.6 percent of its customers saying they are correctly billed for data and texts, respectively, followed by Airtel at 98.3 percent and 86.2 percent....