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3.1 Internal Telecom Connectivity
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Iran's Telecom and Internet
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2.3.2 Reliability
3. Telecom Connectivity Infrastructure
3.1 Internal Telecom Connectivity
3.1.1 Fixed Telephone Lines
3.1.1.1 Installed Main Lines
3.1.1.2 Main Lines in Operation
3.1.1.3 Digital Main Lines
3.1.2 Local Exchanges
3.1.3 Long-Distance Exchanges
3.1.4 International Exchanges
3.1.5 Channel Types and Usage
3.1.5.1 Microwave Channels
3.1.5.2 Optical Fiber Channels
3.1.5.3 Satellite Channels
3.1.6 Geographic Coverage
3.1.6.1 Rural Communications
3.1.6.2 Urban Communications
3.1.7 Area Codes
3.2 External Telecom Connectivity
3.2.1 Fiber Optical Links
3.2.1.1 Trans-Asia-Europe Project
3.2.1.2 Submarine Links
3.2.2 Satellite Channels
3.2.2.1 Future Developments
Payman Arabshahi
2001-04-27
