The Centre for Development of Telematics is an Indian Government owned Telecom Technology development centre. It was established in August 1984 as an autonomous body. It provides following products

MAX : Main automatic exchange
Transmission Equipment
TDMA Point to Multipoint Radio
SGRAN (under development)
RAX : Rural Automatic Exchange is a small 256 lines switch for landlines that helped spread telecom to rural parts of India

Address:

C-DOT Campus,
Electronic City Phase-I, Hosur Road,
Bangalore-560100,
C- DOT Field ...
Telephone : +91-11-26802856