VoIP Revenue Assurance Switchblade

VoIP Revenue Assurance Overview

VoIP Revenue Assurance system diagram

A carrier class Revenue Assurance and Telecom Billing platform for real-time network monitoring, enabling carriers to monitor VoIP Signaling traffic, increase their revenues and improve VoIP network quality by immediately identifying revenue shortfalls and servicing operational issues.

The Switchblade’s network probe extracts VoIP Signaling Traffic from the network and generates VoIP Call Detail Records (CDRs) to a secure database. The CDRs are accessible to a client workstation with a web browser.

  • VoIP Revenue Assurance web application for analyzing CDRs.
  • Red Hat Enterprise Linux for 24/7 operation.
  • VoIP CDRs generated.
  • VoIP IP network probes with 1 Gigabit link capacity.
  • Real-time display of VoIP calls-in-progress.
  • User friendly interface for Traffic Monitoring, Statistics, Billing and Channel Usage.
  • Rapid Return on Investment.

Key System Functionality

Revenue Assurance

  • Increased Revenue by Stopping Fraud.
  • Checking the accurancy of settlements between International Carriers.
  • VoIP Billing Verification: Collection and Reconciliation / Verification of VoIP CDRs.
  • Billing for VoIP use, e.g. VoIP services for other Carriers.
  • Customer Care: Preventing Churn.
  • Customer Care: Identification of VoIP calling patterns for major customers.
  • Growth in VoIP traffic.

Performance & Maintenance Management

  • VoIP Call Performance Statistics ASR (Answer/Seize Ratio), BSR (Busy/Seize Ratio)
    and PDD (Post Dialing Delay).
  • Optimization of network and route planning.
  • Real-time Call Tracing.
  • Trouble Shooting.
  • Identification of Faulty Routes and misconfigured routers.
  • Identification of Network Congestion.


VoIP IP Network Probe

The VoIP IP Network Probe connects to the Ethernet links where VoIP signaling traffic is monitored. The VoIP Network Probe consists of two parts:

  • An Enterprise Ethernet Switch configured to pass TCP/IP traffic transparently and also to pass VoIP signaling traffic data onto a monitoring port (port mirroring).
  • The Ethernet port in the Switchblade server connects to the monitoring port on the Ethernet Switch. This port is configured to receive all network traffic and then to filter out the VoIP signaling traffic from all the packets received.

This two-part monitoring configuration allows fully non-intrusive monitoring of the VoIP signaling traffic data.


The VoIP signaling traffic data packets are streamed to the Switchblade server, where they are decoded and the VoIP CDRs generated.

Switchblade Server

The Switchblade server typically is a rack mounted dual quad-core CPU Server with a 2 to 10 TByte RAID Hard Disk, with 8 to 64 GByte ECC memory running on Red Hat Enterprise Linux.

The Switchblade server hosts an Enterprise database, which stores the CDRs and runs the VoIP Revenue Assurance web application. This application is used for accessing the CDR database and for the real-time display of VoIP calls-in-progress.

A comprehensive set of search queries can be executed on the web-server via the client workstation, the queries extract and display call statistics including accumulated minutes.

For instance:

  • Identification of major VoIP users.
  • Identification of network busy periods.
  • Identification of Call Release codes.
  • Identification and prediction of the VoIP traffic growth.

The investigation of revenue loss varies from over-declared minutes through to fraudulent operation. The Switchblade offers the Carrier detection facilities for a wide range of fraud and access to VoIP CDRs to identify the parties involved. Action trees can be applied to identify the patterns used for these fraudulent calls and responding appropriately can restore the revenue streams.

The VoIP CDR data provided is detailed and includes the time of call, the duration and status, i.e. Answered, A Number, B Number, IP Addresses and additional information including Calling Party Category (CPC), Post Dialing Delay (PDD), Release Code (RC), etc.

The displays provide snap-shots of the usage of the VoIP Calls over the internet. The processing of the VoIP CDR data allows the Network Manager to identify traffic peak demand and to specify the most cost effective methods for transit, overflow and alternative traffic routes.

Comparison of monthly total incoming route traffic against declared traffic may be used to ensure correct proportionate return traffic in multi-carrier situations. Comparison of the volume of VoIP to traditional PSTN voice calls allows the prediction in VoIP traffic growth.

Please contact us to access our online demonstration server.

VoIP Revenue Assurance product brief PDF