Operation

Activation/Registration 110AB+++++(Tel NO.) depending on local or outstation numbers. Thereafter, to get that number press 111AB. Any type of instrument, DTMF or DECADIC, push-buttons can be used.

This facility is available for Delhi numbers as well as outstation numbers if your telephone is having NSD facility

Now to get the Delhi number 3382345 all you have to do is press *12 after getting the dial-tone. If you wish to code "12" for a Mumbai [NSD-022] number 2771234 instead of Delhi 3382345, follow the same procedure as above. After getting dial tone press 0*1202227771234# and wait till you receive service acceptance tone. Now to get the Mumbai number you have to only press * 12 .