11 September, 2025
In the deployment and optimization of 5G Standalone (SA) networks, ensuring the robustness of the Random Access Channel (RACH) procedure is critical. DIGIS Squared identified and resolved a recurring RACH failure – "FAILURE_MSG4_CT_TIMER_EXPIRED" – during performance testing using our proprietary tools: INOS™ and Katana™. This white paper outlines the nature of the problem, diagnostic process, root cause analysis, and optimization strategies applied to restore optimal network performance.
Optimising Africell mobile networks during Covid-19
1 July, 2021
Bassel Mashaka, RAN Senior Manager at Africell Group, and Ahmed Ma’moon, Digis Squared’s Account Manager for Africell Group, describe how Africell’s mobile networks were optimised remotely and safely during the Covid-19 pandemic.