StarTrinity.com

Measuring quality

The diagrams show how SIP Tester is used in various environments

Testing a SIP server

CallXML script(s)

wav/mp3/pcap audio files for playback

reference audio files for IVR verification

CSV file(s): list of test parameters

SIP Tester
Windows desktop GUI, Web UI, CLI

CDR: CSV files, database

recorded wav/pcap files

sound card (speakers+microphone)

VoIP network

SIP, RTP, RTCP, T.38

Destination under test (DUT):
trunk, provider, IVR server

SIP Tester "master" node

reports collected from all "slave" nodes

synchronization over HTTP

SIP Tester "slave" nodes

SIP+RTP

SIP server under test

Testing a VoIP network SIP Tester at customer's site reports Customer's VoIP network SIP Tester at datacenter	Testing a SIP-PSTN gateway SIP Tester - sends and receives calls SIP-PSTN gateway 1 SIP+RTP SIP-PSTN gateway 2 ISUP/SS7/PRI/E1, FXS/FXO SIP+RTP
Testing SIP phones by simulating IP-PBX Multiple SIP phones INVITE, REGISTER SIP Tester as IP-PBX: registrar server, call terminator, call initiator, transfer bridge	Testing IP-PBX by simulating SIP phones SIP Tester as multiple SIP phones: simulates calls between extensions INVITE, REGISTER IP-PBX
Testing dialer VoIP dialer SIP Tester receives calls, simulates various call terminations: real person, IVR, fax machine	Verifying integrity of routes Originating SIP Tester HTTP API (info about calls) Terminating SIP Tester SIP calls going through the route VoIP route (system of softswitches)

Testing IVR server or call center via PRI

SIP Tester

SIP+RTP

VoIP provider

PSTN

PRI

+1800xx

IVR server / call center

Analyzing VoIP traffic on a Windows server with IP-PBX IP-PBX Trunks, SIP phones windows server SIP Tester reports, pcaps	Analyzing VoIP traffic through mirroring port SIP/media server(s) IP switch mirroring port Trunks, SIP phones SIP Tester reports, pcaps
Analyzing recorded PCAP files Some VoIP network PCAP file(s) SIP Tester reports, decoded wav files