TEC certification is necessary for all new Transmission Terminal Equipment -1 that is to be connected to the public switched telephone network in India. TEC helps telecom service providers in India. Falls under Scheme : SCS, Group : C   TEC Certification for Transmission Terminal Equipment -1 Covers the following nine variants –   Multiplexing Equipment SDH Equipment Complete support in TEC Certificate is given by Eikomp. Eikomp helps in documentation and procedures for obtaining a TEC Certificate.