TEC certification is necessary for all new two wire telephone equipment 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 : A   TEC Certification for 2 Wire Telephone Equipment Covers the following nine variants –   2-Line Feature Phone CLIP Phone Coin Box Telephone Coin Box Telephone (Table Top interface) Electronic Telephone Instrument Executive Telephone System Key Telephone System Key Telephone Systems with a proprietary interface NSD/ISD Payphone Terminals for connecting to PSTN Complete support in TEC Certificate is given by Eikomp. Eikomp helps in documentation and procedures for obtaining a TEC Certificate.