Meridian SL-1 PABX (Private Automatic Branch Exchange) was designed to provide a comprehensive set of custom calling features as well as numerous other capabilities to ease maintenance and administration.

DSP (Digital Signal Processing) DB is a new hardware developed by Nortel which is used to provide the voice gateway media resources for the IP to TDM call conversion. It comes as a daughter board which can be placed in the MGC (Media Gateway Controller) card. Two versions of DSP DB are available, they are DB-32 and DB-96. DB-32 is used to provide 32 VGW and DB-96 is used to provide 96 VGW resources.

MC32S (Media Card with Security) card is used to provide the secure voice media gateway resources for the IP to TDM call conversion. MC32S is cost effective compared to other media cards and is used to provide 32 VGW resources. The main highlight of MC32S card is, it’s mainly developed for the large system which is used to provide secured VGW for the secured calls.

High Capacity traffic testing is used to fine out the capacity of each systems and components. The software is stressed to reach its maximum limits under normal conditions. Then try to achieve the baseline of each component with respect to previous release. (Compares the performance between the releases, platforms, components and systems).

NRS (Network Routing Server) is used to route the SIP / H323 Calls between the systems. NRS is developed in VxWorks and Linux in Rls 5.0 and Rls 5.5. Linux NRS Enhancement introduces several new features in Release 6.0 compared to the previous releases.

Objective of this is to emulate the Nortel enterprise network similar to the customer test bed which would have Complex of network. This will reduce the escapes and also the issues will be resolved before the software release is delivered to the Customer.

Subscriber Manager is used to manage the phone accounts within individual element managers or element management systems in Nortel. The subscriber has properties of a person such as the first name, last name, address, department and language.

Responsible for setting up the OXO system in the network and to verify the voice and data services are working according to the requirement.