| Subject | English | Tamil |
| comp., MS | access number | அணுகல் எண் (A phone number that subscribers can dial to reach online services) |
| comp., MS | subscriber access number | சந்தாதாரர் அணுகல் எண் (A number that is configured in a Private Branch eXchange (PBX) that allows a subscriber to access their Microsoft Exchange mailbox over the telephone) |