Special Facilities in Electronic Exchanges - Where to Apply
| Sl. No. | Type of Facility | Charges | Apply to |
| 1. | Detailed Billing | Free of charge to all Subscribers | No application required |
| 2. | Subscriber controlled NSD/ISD Barring | Both Withdrawal & Provisioning of STD free of charge . For ISD see instructions . |
Subscriber Controlled |
| 3. | Automatic Wake up/Reminder service | Facility extended free of charge. Two unit calls for every effective call |
Subscriber Controlled |
| 4. | Abbreviated Dialling or short code dialling | Facility extended free of charge- subject to technical feasibility. | Divisional Engineer(Intl) of the concerned Exchange |
| 5. | Call transfer or "Follow me" service | Facility extended free of charge- subject to technical feasibility. | Divisional Engineer(Intl) of the concerned Exchange |
| 6. | Call waiting or "Camp on" service | Facility extended free of charge- subject to technical feasibility. | Subscriber Controlled. |
| 7. | Hot line | Facility extended free of charge- subject to technical feasibility. | Divisional Engineer(Intl) of the concerned Exchange |
| 8. | CLIP-Calling Line Identification Presentation | Facility extended free of charge- subject to technical feasibility. | Divisional Engineer(Intl) of the concerned Exchange |