1Nebula Blog

Case Study: Improving Voice Cost Control and Telecom Expense Management

Written by 1Nebula Team | Jun 5, 2026 8:26:43 AM

How a Leading South African Bank Improved Voice Cost Visibility, Reporting and Cost Control Across 800+ Branches 

Large enterprise banking environments rely on complex telecommunications infrastructure to support branches, corporate offices, call centres and central management functions.

But as voice services become distributed across hundreds of locations, it becomes harder to understand usage, allocate costs accurately and identify where unnecessary spend is being created.

This was the challenge facing a leading South African bank with a telecommunications environment spanning more than 800 branches, corporate offices, call centres and central management functions.

As the environment became more complex, the bank required greater operational control and financial visibility across its voice and telecommunications estate. Key challenges included limited visibility into voice infrastructure and usage, difficulty allocating costs accurately, manual reporting processes, limited ability to identify inaccurate or unauthorised usage, and reduced visibility across branch staff, mobile devices, fixed-line services and BYOD-related activity.