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	Links National Trunk Services Inland Trunk Service Classification & Tariff Concession Trunk Cancellation Cancellation Charges Trunk Assistance Trunk Information STD Information Demand Trunk Services Reverse Charge Calls Fixed Time Calls Subscription Fixed Time Press Trunk Calls Trunk calls to and fro public telephones Inland Trunk Tariff Help Telephone Services Phone Plus Facility ISDN Intelligent Network Leased Circuits Int. Trunk Services In Case of Difficulties or Suggestions to this site : Email: helpdesk.mumbai@mtnl.net.in

INLAND TRUNK SERVICE

HOW TO BOOK : DIAL 1580 : You will land on an IVR based Automatic Trunk Booking System (ATBS). If you want to book your call through ATBS follow the announcements. If you want to book your call through operator, When the operator answers, give the following particulars: Your telephone number Extension number in case of PBX/PABX Station to be called with STD code if you know and name of the state, if necessary Number to be called with alternate number, if any

CLASS OF CALLS:Ordinary, Urgent, Lightning Priority, Fixed Time & Subscriber FT Calls

LIGHTNING CALLS :

1. Name of the calling party is to be given at the time of booking of the call.
2. PRIORITY of the call can be lowered by the customer if the call does no become effective within 30 minutes of its booking.
3. SFT Calls are FT Calls booked for 5 or more consecutive days in a week .
Only URGENT category of calls are permitted for this type of calls.

CLASSIFICATION & TARIFF

CLASS OF CALLS & CHARGES

1.Ordinary :	1 Unit Charge as per tariff slab
2.Urgent :	Charged twice the ordinary charge
3.Lightning :	Charged 8 times the ordinary charge

     Rs 5/- will be added to the charges as trunk call service charges