TELEPHONE ANSWERING MACHINES IS 13252(Part 1):2010*
The term "telephone answering machine" can also apply to an answer machine, message machine, or message phone. The most popular and commonly used for form of communication is the telephone answering machine. Every class of people enjoy using it, and it is very simple to use. In the event that no one is available to answer the phone in person, this device answers and records a caller's message. Under the Compulsory Registration Scheme from BIS, the Bureau of Indian Standards (BIS) has mandated that telephone answering machines be registered in accordance with IS 13252(PART 1):2010.