The best route for your call
Posted: Wed Dec 04, 2024 9:09 am
The transition from analog to digital technology has further improved call quality and capacity. The introduction of fiber optic cables in the late 20th century provided greater clarity and bandwidth. Modern PSTN infrastructure integrates with these new technologies, such as VoIP phone systems, to provide traditional reliability and modern convenience for seamless connectivity. How does PSTN work? The Public Switched Telephone Network (PSTN) connects telephone calls through physical and digital components. It uses a combination of analog and digital signals to transmit voice data. Analog signals are converted to digital signals for transmission over long distances, and then converted back to analog signals for transmission to the recipient's phone.
1. Dial a number When you dial a phone number, your phone sends a signal to the local exchange, known as the central office (CO). This signal includes the digits of the number you called. 2. Local iran mobile phone numbers database exchange The local exchange is the initial point of contact in the PSTN. It receives the dialed digits and determines . If you make a local call, the local exchange will connect your call directly to the recipient's phone line. 3. Tandem offices If you make a long distance call, the local exchange routes your call to the gateway.
The gateway routes your call to the appropriate long distance network. 4. Toll booth The gateway transfers your call to a toll office for long distance or international calls. Tollbooths manage the routing of long-distance calls. 5. International portal For international calls, the toll booth will route your call to an international gateway. It handles the translation of your calls from domestic to international networks, connecting you to recipients in other countries. 6. Operator access point Carrier access points are checkpoints within the network that manage data flow and prevent network congestion.
1. Dial a number When you dial a phone number, your phone sends a signal to the local exchange, known as the central office (CO). This signal includes the digits of the number you called. 2. Local iran mobile phone numbers database exchange The local exchange is the initial point of contact in the PSTN. It receives the dialed digits and determines . If you make a local call, the local exchange will connect your call directly to the recipient's phone line. 3. Tandem offices If you make a long distance call, the local exchange routes your call to the gateway.
The gateway routes your call to the appropriate long distance network. 4. Toll booth The gateway transfers your call to a toll office for long distance or international calls. Tollbooths manage the routing of long-distance calls. 5. International portal For international calls, the toll booth will route your call to an international gateway. It handles the translation of your calls from domestic to international networks, connecting you to recipients in other countries. 6. Operator access point Carrier access points are checkpoints within the network that manage data flow and prevent network congestion.