Advanced Level Telecom Training Centre (ALTTC), Ghaziabad is the apex training institute of BSNL. An ISO 9001: 2008 accredited institute, ALTTC was set up as a joint venture of International Telecommunication Union, Geneva, UNDP and the Government of India in 1975. ALTTC functions on the frontiers of telecom technology, finance and management and imparts training to the leaders in the business. The strength of ALTTC lies in the state of art labs, massive infrastructure and trained, talented and qualified human resource pool.

      The Centre's Mission statement is "To Deliver Excellence Through Training" .

    The training areas cover vast spectrum of topics such as Digital Switching and IN, Mobile Communication: GSM, 3G CDMA Data communication: Broadband and Networking, Optical Networks: SDH, DWDM, NGN, Access Networks, Management, Telecom Finance, Information Technology, Building Science (Civil and Electrical) and Telecom Network Planning.