| A TEC approved FAX machine or a Modem. |
| Automatic Answering and Recording Devices. |
One additional Phone instrument in parallel |
| Speaker phones with or without the use of handsets |
| STD barring devices |
Auto dialing device, subject to restriction that the no. of automatic repeat attempts not to be
more than one on each activation. |
| Number storage device ( for frequently called numbers ) |
| Device providing information on calls duration, calling time and called numbers for use of PABX extensions by the hirers of PABXs. |
| Call duration indicator – however, in case of any billing dispute the reading of the exchange meter shall only be considered. |
| Cordless Telephone of make approved by the TEC, New Delhi. |
|
