Case study · Banking & finance
A regional bank rationalizes its telephony across 8 sites
Regional bank operating in 4 WAEMU countries, 250 employees spread across 8 sites. Heterogeneous legacy telephony system inherited from successive mergers, high carrier bills, degraded audio quality.
-42%
on the annual telecom bill
4 months
of coordinated deployment
8 sites
multi-country WAEMU
Project challenges
What the client needed to solve
- Unify 3 different telephony systems into one, with no disruption during business hours
- Reduce carrier costs (inter-site connections billed at premium rates)
- Ensure PCI-DSS compliance and call traceability (BCEAO regulations)
- Train 250 employees on new use cases (video, softphones, mobility)
Our intervention
The Sylamtech solution
- Audit of the existing system and mapping of call flows (2 weeks)
- Target architecture: Yealink IP + cloud IPBX with SD-WAN interconnection between sites
- Phased deployment (1 site every two weeks) without business interruption
- On-site user training + video materials produced by our Sylamtech.Forge training center
- Maintenance contract with 4-business-hour SLA and local spare parts stock in our SN and CI subsidiaries
Technologies deployed
Yealink T54W · Yealink T58W · Cloud IPBX · SD-WAN
Measured results
The impact on the business
- Telecom bill reduced by 42% from the first quarter after deployment
- 8 sites connected to a unified numbering plan
- HD audio quality on 100% of phones (vs. 70% average beforehand)
- PCI-DSS audit validated without reservation by the statutory auditor
About this case study
This client's name has been anonymized at their request for confidentiality reasons. The figures, technologies and results presented are real and come from the project actually delivered by Sylamtech.GROUP. Named references are available on request, under a confidentiality agreement.