esting the usefulness of the standard message stream. - Test is used to send the standard message to the hub that is under test. The testing devices used for convention testing are: 1. Glomosim test system - To test 100 hubs on single CPU. 2. Abacus5000 - To test SIP. 3. Etherpeek - To test IP. 4. Nethawk - for SS7 testing. 5. Wireshasrk - for SS7 / IP testing. 6. K1297-for testing G20 (tektronics).