Backup internet works only when it uses a different technology and a different route in.
The second line has to enter the building by a different path than the first.
A second account on the same cable is not a backup.
The supplier catalog names these providers. It does not list a monthly price for them. Data as of 2026-10-04.
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11:11 Systems Inc: price not listed in the source data. 123NET: $21 to $39 per user/month. 4Voice: price not listed in the source data. Astound Business Solutions: price not listed in the source data. BCM One: $19 to $35 per user/month. BCN Telecom Inc: price not listed in the source data. BeyondReach: price not listed in the source data. CBTS: $20 to $36 per user/month.
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A second connection that takes over when the first one fails. It only works as a backup if it uses a different technology and a different route into the building.
Yes, and it is the most common choice because it needs no construction and fails independently of a wired line. Check the data allowance, because failover traffic adds up quickly.
If your phones are hosted, yes, unless you have a failover rule. Most systems can divert calls to mobiles automatically. Configure that before you need it rather than during an outage.
Automatic switching to the backup connection when the primary fails. Done properly it needs no human action, and the switch happens in seconds rather than minutes.
A wireless backup is a modest monthly cost plus the hardware to switch between connections. A second wired line costs more but gives you full speed rather than a reduced one.
Related: business-internet-availability-by-address, what-internet-speed-does-a-small-business-need, business-internet-and-phone-bundle. Glossary: dedicated-internet-access, broadband. How to buy.
Data as of 2026-10-04.