What is SS7
Below is a MRR and PLR article in category Business -> subcategory Other.
What is SS7?
Overview
Signaling System 7 (SS7) is a crucial technology in modern telecommunications, designed to operate within public switched telephone networks (PSTNs). SS7's primary role is to set up and manage phone call transmissions across multiple networks.
How SS7 Works
SS7 uses a method known as out-of-band signaling. This involves sending data through a dedicated channel, separate from the public switching network. For instance, SS7 can take a phone signal from a local switch, convert it into a data stream, route it over the Internet, and terminate it at a distant local switch near the call receiver. This ability to route signals outside traditional phone switches enhances its appeal and efficiency.
International Calling with SS7
SS7 plays a pivotal role in enabling Voice over Internet Protocol (VoIP), making international calls seamless. With SS7, a standard digital phone signal can be converted into an audio stream that travels online, offering voice clarity comparable to or better than traditional calls.
Additional Functions of SS7
SS7 supports various telephony services that users depend on daily, such as:
- Call Forwarding and Wireless Roaming: Facilitates smooth communication experiences.
- Caller Identification and Conference Calls: Provides essential information and connectivity options.
- Toll-Free Numbers: Simplifies billing processes and offers detailed call information for both subscribers and service providers.
Can You Tell if SS7 is Used?
Most users won't notice if SS7 is routing their calls. While there may be a slight delay during switching, strong Internet connections ensure sound quality that rivals local calls. Unless you're tech-savvy, these operations remain seamlessly in the background.
In conclusion, SS7 is an essential framework that enhances both local and international telephony, providing reliable and advanced communication services.
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