Digium TDM800P Instrukcja Użytkownika Pobierz pdf (Strona 2)

Chapter 1: Introduction

Goals

This document represents Bicom Systems Lab test results for officeBOX appliance, measuring

performance and PSTN compatibality under various workloads.

Testing is done in two parts:

• First set of tests is comprised only of SIP calls with different codecs being used and

this testing imposed additional stress on the machine because of the transcoding

process

• Second set of tests was done to determine the machines compatibilty with various

PSTN PCI cards and its workload with different calls being placed, whether they are

analog or ISDN, or their combination

First set of tests are done to determine how many concurrent calls can be made without calls

being broken. We took 80% CPU usage as a allowed maximum, but for our requirements CPU

usage should not go over 40-50% in production. In the following chapters we will discuss given

results.

These tests consisted of eight similar test, which were:

• Test 1 – calls are made using g711 codec

• Test 2 – calls are made using g711 codec with Call Recording enabled

• Test 3 – calls are made with callers using g711 and calls were transcoded to g729

• Test 4 – calls are made with callers using g711 and calls were transcoded to g729 with

Call Recording enabled

• Test 5 – calls are made with callers using g711 and calls were transcoded to iLBC

• Test 6 – calls are made with callers using g711 and calls were transcoded to iLBC with

Call Recording enabled

• Test 7 – calls are made with callers using g711 and calls were transcoded to GSM

• Test 8 – calls are made with callers using g711 and calls were transcoded to GSM with

Call Recording enabled

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Digium TDM800P Instrukcja Użytkownika Strona 2