TTMER2: Call Paths Testing - "In-circuit" measurements on ISDN and VOIP network elements
Devices used at the measuring place
- Trunk signed "D1-D2" of the MSSN built from Ericsson AXD 305 type MSSs.
This trunk containing E1 (PCM) and VoIP link interconnects two of the TDM exchanges of MSSN, actually D1 and D2.
- Provisionaly: a VoIP link established with a Cisco 2600 router - the trunk with sign "D2-H3" of the MSSN - to demonstrate Silence Supression VoIP service, until the implementation of this service in th AxDs.
- ELEKTRONIKA EP2 PCM channel analyzer
- ELEKTRONIKA EQS 133 Signaling analyzer (in the TTMER11 laboratory exercise, optional)
- ELEKTRONIKA EMS-10 (sinusoid generator and broadband level measure)
- 2 pieces of analogue telephones
- Measuring feeding bridge, 600 ohm of closing resistance