Types of Circuits


  MTNL provides different types of leased circuits as given below:

Speech Circuits - Local or Long distance circuits within two locations in a city or between two different cities provided for the same applicant. The Terminating equipment at both ends is telephone without dialing facility. Both way signaling and speech is possible.
Data Services Local or Long distance data circuits at different speeds viz. 64 Kbps,nx64 kbps ,2 mbps. and above. Data Circuits are of different types:
These Data Services may be further divided as below:
Point to Point Data Circuits - Local and Long Distance
Private Data Network - More than one Local or Long Distance leased circuits converging on a location such that data from one leased circuit can be transferred automatically to another leased circuit for the same subscriber.
Closed User Group - Leased circuits can be used by more than one legal entity if they form closed user group. The following categories of user groups constitute closed user groups for the purpose of licensing Private Telecom Networks.
1 Producer of goods and his whole -sale traders /agents.
2 Provider of service (not being a telecommunication service) and his whole-sale traders/agents.
3 Producers of same categories of goods.
4 Providers of the same category of service.
5 Holding company and its subsidiaries.
6 Interconnected undertakings.
7 Companies under the same management
8 Travel agents issuing tickets on the member airlines, whose network they use including the network of a group of member airlines.
9 Computerized Reservations System (CRS) service providers owned by airlines.
10 Shared networks of banks for use of Automatic Teller Machines (ATMs), Electronic Points of Sale(EPOS)/credit authorization terminals.
11 Financial institutions registered primarily to deal in securities and their agents/dealers.
12 Financial institutions registered as Mutual funds and their agents.
13 Financial institutions which are registered as depositories and their agents/dealers.
14 Other non-banking financial institutions.
Telegraph & Teleprinter Circuits: Local and Long distance Telegraph and Tele-printer Circuits.
International Leased Circuits: Provided through VSNL
Internet Leased lines: dedicated Leased line from Customer's premises to the MTNL Internet Node. (For Tariff Please Refer Internet services.)
  • Dedicated Data Circuits

    Useful for those data users who have to transmit considerable volume of data between two fixed terminals located in the same city or different cities. It may be facsimile transmission data on computer cct. Data services on PSTN: Can be availed from any telephone connection. The arrangement requires a data circuit termination equipment interface such as PSTN- Modem to provide normal telephone conversation & when need for a change over to do working
  • Dedicated Data Network

    More than one leased circuit converge to a central location from where the data from one leased circuit can be automatically transmitted to another leased circuit for the same subscriber. The main hirer can obtain Inter-connection with the approved subsidiary user's who have common interest with him.

Provision of Leased Circuits connectivity on OFC OF 2 Mbps.

S.No Particulars Approved Charges
1 Charges for 2 mbps circuit on OFC Channel Rent + OFC equipment rental of Rs.20,000/-
2 Charges for 2 mbps circuit on OFC on Ethernet connectivity Channel Rent + OFC equipment rental of Rs.36,000/-
3 Charges for more than 2 mbps circuits For the subsequent higher capacity say 4/6/8 mbps etc., charges for channel rent will as per TRAI and OFC equipment rental will be on pro-rata basis, for example for 4 mbps OFC equipment rental will be Rs.20,000 x 2=40,000/- and so on.