VOIP Call Response Time Delay Report

Introduction

It is essential to network administrators today to track each call’s VOIP response  times and delays. They are interested in creating *true* and *functional* VOIP Call ‘Service Level Agreements’. This is a significant improvement over current Synthetic Voice based SLA’s as it allows the actual Call to be evaluated in terms of meeting the intended SLA.

Solution Overview

This could be done by testing the value of the MIB Object  ‘cvVoIPCallHistoryRoundTripDelay’ against a pre-determined and acceptable round trip delay calculated per actual Call in a production environment.

SOSL based Management Process script configuration

MODULE  cCallHistoryData();

BEGIN

          ALL-DEV (ZONE "entL3") BY DEV                  

          {                 

                   SET-INDEX cCallHistoryTable

                           (cvVoIPCallHistoryConnectionId [cCallHistoryIndex, INT]);

                   WITH-INDEX cCallHistoryTable

                   {

                             POLL (cvVoIPCallHistoryRemoteIPAddress;

                                    cCallHistoryPeerAddress;

                                    cCallHistoryCallOrigin;

                                    cvVoIPCallHistoryReceiveDelay;

                                    cvVoIPCallHistoryRoundTripDelay            );

                   };

           };

END

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