• Dynasoft Ltd
  • Les Vagues,
  • Grève d'Azette, St Clement
  • JE2 6PX, Jersey, CI, GB
  • Tel.: + 44 333 3394 456
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  • Teams: dynasoftuk

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Telecom billing acronyms (OSS BSS CDR SMDR...)

Telecom acronyms – Quick reference

Reading time: 5 minutes

CDR – Call Detail Record

A record produced by telecom switches or network elements that details a voice call or session (timestamp, duration, caller, callee, call type, and billing attributes). TelecomBilling.net can help you process such data.

MDR – Message Detail Record

Similar to a CDR but records message events (SMS/MMS) including sender, receiver, timestamp, and charge info.

EDR – Event Detail Record

Generic term for records of any billable network event — data sessions, video streams, push notifications, or IoT messages.

OSS – Operations Support System

Systems that support network operation: provisioning, fault management, inventory, and performance monitoring.

BSS – Business Support System

Customer-facing systems: billing, rating, CRM, order management, and product catalog.

CRM – Customer Relationship Management

Software for managing customer accounts, interactions, support tickets, and order history.

MVNO – Mobile Virtual Network Operator

An operator that provides mobile services but leases radio/network capacity from a licensed MNO.

MNO – Mobile Network Operator

A telecom operator that owns spectrum and network infrastructure (towers, core, radio access).

IN – Intelligent Network

A telecom architecture for deploying advanced services (prepaid charging, number translation, value-added services).

RA – Revenue Assurance

Processes and systems that detect revenue leakage, reconcile records, and ensure all billable events become billed revenue.

QoS – Quality of Service

Metrics and mechanisms that ensure service performance (latency, jitter, packet loss, throughput) meet agreed levels.

AAA – Authentication, Authorization, Accounting

Framework for verifying users, granting permissions, and tracking usage for billing or auditing.

TAP – Transferred Account Procedure

Standard file format and process used for roaming billing between operators (records roaming usage for settlement).

TSP – Telecom Service Provider

Any company that supplies telecom services (voice, data, messaging) to end users — carriers, ISPs, MVNOs such as Dynasoft and its CDR and Telecom billing system.

ISP – Internet Service Provider

Any company that supplies Internet access services to end users. Our Telecom billing systems can also service the needs of ISPs as all of them support ISP Telecom billing requirements.

Dynasoft LTD

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