📊 Telecom Complaint Analysis

Integrated View of Customer Issues, Systems

🖼️ Rich Picture: Complaint Grouping & System Impact

1️⃣

Internet Speed / Slow

Unstable speed, no connection.

Systems: EVC/UVC, IMS, **PCRF**

Action: PCRF validates **QoS & bandwidth** policy enforcement.

5️⃣

Voice Call Drop / No Signal

Dropped calls, poor voice coverage.

Systems: IMS, EVC/UVC, **PCRF**

Action: PCRF verifies **call policy/QoS** limits.

8️⃣

VoLTE / IMS Registration Failed

IMS or VoLTE not working.

Systems: IMS, EVC/UVC, **PCRF**

Action: PCRF applies **correct service profile**.

2️⃣

Billing / Overcharge Issue

Charged more than usage, double charged.

Systems: CBS, CRM, ESB, **PCRF**

Action: PCRF checks **policy-triggered charging** rules.

🔟

Data Usage Mismatch / Wrong Quota

Quota not updating, balance incorrect.

Systems: CBS, **PCRF**, BICP, ESB

Action: PCRF ensures **correct policy control**.

3️⃣

Payment Not Updated / Missing

Payment made but not reflected in system.

Systems: CBS, ESB, CRM

Action: ESB ensures sync between CBS & CRM.

6️⃣

SIM Activation Delay / Failure

SIM not active after registration.

Systems: CRM, CBS, ESB, IPCC

Action: CBS triggers provisioning via ESB orchestration.

4️⃣

Wrong Customer Info / Profile Update

Name, address, ID not updated.

Systems: CRM, ESB, PRM

Action: CRM updates info, ESB syncs across subsystems.

7️⃣

Loyalty / Reward Points Missing

Reward points not credited for usage.

Systems: PRM, CBS, BICP, CRM

Action: PRM manages loyalty, CBS confirms usage.

9️⃣

Complaint Escalation / No Response

Issue unresolved or ticket closed incorrectly.

Systems: IPCC, CRM, BICP

Action: BICP tracks SLA & performance metrics.

📡 Network Architecture Diagram: System Interconnections

IPCC CRM ESB CBS IMS / EVC PCRF BICP Customer Interaction Network / Policy Control Analytics