What is line speed?
Line speed is the maximum possible service speed that your line can support. This can vary depending on a number of factors including line quality and proximity to your local exchange.
Line speed is not the same as the throughput, or traffic speed you may experience when using the Internet.
To find out about throughput speed, or to measure the speed that traffic is moving over your connection, please see:
To check the speed at which your BT modem or router is connecting to the Internet please seee below:
- How to check your modem to determine your line speed.
- How to check your router to determine your line speed.
Your line speed should approximately be the same as the estimate provided when you enter your phone number in the Broadband availability checker.
If you are not achieving the expected result, please visit our Speed upgrades page.
Answers to related questions:
- How do I test my connection speed?
- Will I need to change my router if I'm being moved to Next Generation Broadband?
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