BTTB is a PSTN service Provider in public BTTB is a PSTN service - - PowerPoint PPT Presentation

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BTTB is a PSTN service Provider in public BTTB is a PSTN service Provider in public sector. sector. BTTB also provides data services and BTTB also provides data services and leasing out transmission Media of Private leasing out transmission Media of Private Operator engaged in providing Mobile Operator engaged in providing Mobile telephone services and PSTN Services. telephone services and PSTN Services.

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Present Transmission scenario of Bangladesh Present Transmission scenario of Bangladesh

1. 1.

Microwave Backbone Microwave Backbone

• Dhaka

Dhaka – – Sylhet Sylhet link link SDH Radio SDH Radio

• Dhaka

Dhaka – – Mymensing Mymensing link link PDH Radio PDH Radio

• Dhaka

Dhaka – – Bogra Bogra link link PDH Radio PDH Radio

• Dhaka

Dhaka – – Khulna Khulna link link PDH & SDH Radio PDH & SDH Radio

• Dhaka

Dhaka – – Kushtia Kushtia link link PDH & SDH Radio PDH & SDH Radio

• Bogra

Bogra – – Natore Natore – – Rajshahi Rajshahi SDH Radio SDH Radio

• Natore

Natore – – Kushtia Kushtia SDH Radio SDH Radio

• Khulna

Khulna – – Barisal Barisal – – Laxmipur Laxmipur SDH Radio SDH Radio

• Barisal

Barisal – – Patuakhali Patuakhali SDH Radio SDH Radio

• Rajbari

Rajbari – – Faridpur Faridpur – – Barisal Barisal SDH Radio SDH Radio

• Chittagong

Chittagong – – Cox Cox’ ’s s Bazar Bazar PDH & SDH Radio PDH & SDH Radio

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• 2. Optical Fiber Back Bone
• 2. Optical Fiber Back Bone
• Dhaka

Dhaka – – Chittagong Chittagong

• Bogra

Bogra – – Panchagar Panchagar

• Kushtia

Kushtia – – Satkhira Satkhira

• Mymensing

Mymensing – – Sherpur Sherpur

• Mymensing

Mymensing – – Netrokona Netrokona Total working Optical Fiber network Total working Optical Fiber network 1,396 Km 1,396 Km Dhaka Dhaka – – Mymensing Mymensing – – Bogra Bogra 337 Km and 337 Km and Chittagong Chittagong – – Cox Cox’ ’s s Bazar Bazar 170 Km 170 Km 507 Km Optical Fiber will be connected to BTTB Network by May 507 Km Optical Fiber will be connected to BTTB Network by May’ ’ 2006 2006

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3.

• 3. Upazilla

Upazilla Radio Link Radio Link All Upazila HQs are connected to District HQs by point to All Upazila HQs are connected to District HQs by point to point Radio Links. point Radio Links.

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Digital Data Network (DDN) Nodes: Nationwide Digital Data Network (DDN) Nodes: Nationwide

• Mymensingh

Mymensingh

• Comilla

Comilla

• Natore

Natore

• Panchgar

Panchgar

• Dinajpur

Dinajpur

• Thakurgaon

Thakurgaon

• Naogaon

Naogaon

• Dhaka

Dhaka

• Chittagong

Chittagong

• Khulna

Khulna

• Rajshahi

Rajshahi

• Sylhet

Sylhet

• Barisal

Barisal

• Bogra

Bogra

• Bagerhat

Bagerhat

• Jessore

Jessore

• Kushtia

Kushtia

• Pabna

Pabna

• Nilphamari

Nilphamari

• Rangpur

Rangpur

• Patuakhali

Patuakhali

• Sunamganj

Sunamganj

• Moulavibazar

Moulavibazar

• Netrokona

Netrokona

• Rangamati

Rangamati

• Gazipur

Gazipur

• Narayanganj

Narayanganj

• Sirajganj

Sirajganj

• Chapai

Chapai’ ’n n’ ’ganj ganj

• Lalmonirhat

Lalmonirhat

• Tangail

Tangail

• Jhenaidaha

Jhenaidaha

• Joypurhat

Joypurhat

• Feni

Feni

• Noakhali

Noakhali

• Magura

Magura

• Faridpur

Faridpur

• B.Baria

B.Baria

• Manikganj

Manikganj

• Munshiganj

Munshiganj

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BTTB Telephone Exchanges BTTB Telephone Exchanges Total number of Digital Exchanges 270 Total number of Digital Exchanges 270 Moreover EMD analog and CB & Magneto Manual Exchanges are still Moreover EMD analog and CB & Magneto Manual Exchanges are still working in BTTB Network. working in BTTB Network. Total number of subscribers are 915000. Total number of subscribers are 915000. Direct dialing Facilities for national and International calls a Direct dialing Facilities for national and International calls are available re available from 64 Districts, Upazila HQs having Digital Exchanges and nati from 64 Districts, Upazila HQs having Digital Exchanges and national

• nal

calls from calls from upazila upazila and growth center having EMD Analog Exchange. and growth center having EMD Analog Exchange. DDN (Digital Data Network) Node are working in 41 Districts wher DDN (Digital Data Network) Node are working in 41 Districts where e Board Band Internet services are available for corporate users. Board Band Internet services are available for corporate users. Internet services are available for 64 Districts and 206 Upazila Internet services are available for 64 Districts and 206 Upazila. .

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A Sample Solution: From a Location in A Sample Solution: From a Location in Panchagar Panchagar to to Dhaka Dhaka

Customer LAN Customer LAN

Microwave Link

DDN Node Dhaka DDN Node Panchagar

DSL Modem DSL Modem Router Router

Customer Premises Customer Premises

* Provides Bandwidth from 64 kbps to 1 mbps with 2-wire DSL Modem

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Data Services Data Services

• 1. Dial
• 1. Dial-
• up Internet : Access code

up Internet : Access code -

• 0101111

0101111

• 2. Lease Internet (dedicated BW 64 Kbps
• 2. Lease Internet (dedicated BW 64 Kbps –

– 2 Mbps) 2 Mbps)

• 3. Point to point TDM lease lines (64 Kbps
• 3. Point to point TDM lease lines (64 Kbps –

– 2 Mbps) 2 Mbps)

• 4. X.25 Packet switch (8Kbps
• 4. X.25 Packet switch (8Kbps –

– 128 Kbps) 128 Kbps)

• 5. E1 line Driver (2 Mbps)
• 5. E1 line Driver (2 Mbps) –

– for ISP and PBX for ISP and PBX

• 6. Domain registration and hosting
• 6. Domain registration and hosting
• 7. Wave Hosting
• 7. Wave Hosting

Others services to be launched by BTTB very soon : Others services to be launched by BTTB very soon :

• 1. Frame relay
• 1. Frame relay
• 2. ADSL
• 2. ADSL

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BTTB on going Projects BTTB on going Projects

• Installation works of 58 MSU (Digital Exchanges) at district lev

Installation works of 58 MSU (Digital Exchanges) at district level el and 220 RSU (178 upazila+ 42 GC) together with 185 digital UHF and 220 RSU (178 upazila+ 42 GC) together with 185 digital UHF radio links to connect with districts HQs. radio links to connect with districts HQs.

• Hill Tracts project

Hill Tracts project – – 25 Digital Exchanges and Digital Microwave 25 Digital Exchanges and Digital Microwave link will be install at 22 Upazila and 3 growth center of link will be install at 22 Upazila and 3 growth center of Chittagong Chittagong hill tract area to connect hill tract area to connect upazila upazila HQs/growth center HQs/growth center with District HQs with District HQs

• Up

Up-

• gradation of Dhaka

gradation of Dhaka – – Chittagong Chittagong Optical Fiber link Optical Fiber link up to up to STM 64. STM 64.

• Expansion of

Expansion of Chittagong Chittagong – – Cox Cox’ ’s s Bazar Bazar SDH Microwave Link Up SDH Microwave Link Up to 3+ 1 configuration. to 3+ 1 configuration.

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• Expansion of Dhaka

Expansion of Dhaka – – Khulna Khulna, , Bogra Bogra – – Natore Natore – – Rajshahi Rajshahi, , Natore Natore – – Pabna Pabna – – Kushtia Kushtia SDH Radio link Up to 3+ 1 SDH Radio link Up to 3+ 1 Configuration Configuration

• Bogra

Bogra – – Nator Nator-

• Rajshahi

Rajshahi – –Chapai Chapai Nawabganj Nawabganj Optical Fiber link. Optical Fiber link.

• Keraniganj

Keraniganj – –Srinagar Srinagar Optical Fiber link. Optical Fiber link.

• Srinagar

Srinagar – – Madaripur Madaripur new SDH Radio link. new SDH Radio link.

• After implementation for

After implementation for Keraniganj Keraniganj – –Srinagar Srinagar Optical Fiber link and Optical Fiber link and Srinagar Srinagar – – Madaripur Madaripur new SDH Radio link there will be a ring new SDH Radio link there will be a ring Network between Dhaka Network between Dhaka – – Barisal Barisal, , Barisal Barisal -

• Khulna

Khulna and Dhaka and Dhaka – – Khulna Khulna as well. as well.

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Approved Project Approved Project GMDSS (Global Maritime Distressed GMDSS (Global Maritime Distressed Safety system) in collaboration with Ministry of Shipping. Safety system) in collaboration with Ministry of Shipping. Under this Project two base stations one at Under this Project two base stations one at Silimpur Silimpur ( (Chiitagong Chiitagong) another at ) another at Mongla Mongla ( (Bagerhat Bagerhat), one Monitoring ), one Monitoring station in Dhaka and Microwave links to be installed along station in Dhaka and Microwave links to be installed along the costal belt. the costal belt. After implementation Communications will be passable After implementation Communications will be passable with ships in deep sea through IMMERSAT. with ships in deep sea through IMMERSAT.

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1. 1. Disasters Management Bureau can act as a Disasters Management Bureau can act as a coordinator to integrate the services of all public utility coordinator to integrate the services of all public utility departments to cope with the havoc caused by natural departments to cope with the havoc caused by natural disaster. disaster.

• 2. BTTB can render all its existing facilities using own
• 2. BTTB can render all its existing facilities using own

resources and also sharing resources with other resources and also sharing resources with other private Operators at the time of private Operators at the time of diaster diaster. .

• 3. In addition to existing facilities, BTTB can provide
• 3. In addition to existing facilities, BTTB can provide

services or Procure equipments such as long haul VHF services or Procure equipments such as long haul VHF point to point radio equipments, HF radio sets to point to point radio equipments, HF radio sets to access the remote areas to send voice as well as data access the remote areas to send voice as well as data to be needed at the time of natural disaster like to be needed at the time of natural disaster like cyclone, earthquake, tsunami as per the request of cyclone, earthquake, tsunami as per the request of Disasters Management Bureau Disasters Management Bureau

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Mobile Telephone services provided by private and public Mobile Telephone services provided by private and public limited company can be used to collect information from limited company can be used to collect information from the place occurrence. the place occurrence.

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Thank You Thank You