| Subject | English | Tamil |
| comp., MS | pilot identifier | பைலட் அடையாளங்காட்டி (The string that is received with a new call that is used to associate the call with a dial plan) |
| comp., MS | pilot number | பைலட் எண் (A telephone number that points to a hunt group and is the access number for calls that are routed to Unified Messaging servers) |