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virtually any always-on High Speed Internet service (DSL or Cable) or some Wireless ISPs, anywhere in the world.
However, it is strongly recommended to verify that your ISP connection provides a minimum of 256kbs of "Bandwidth/Speed/Throughput" in each direction - downloading and uploading. In most cases, you should not have any problem using TBB with the minimum bandwidth requirements noted above.
However, in some cases, even though:
•You may have the minimum bandwidth requirements
•Your connection "Speed" is 5Mbps(!)
...you may still have Degraded Call Quality: Static, Choppy, Breaks-up!
Obviously, TBB System related issues affect "everyone" and will eventually be posted by someone in the TBB Forums. These do occur, but now very rarely.
You may be able to resolve Call Quality (High Jitter) issues with your ISP by following the information provided in the links above.
•This may require your ISP to decrease the number of customers on your local shared Cable connection (i.e. resegmentation), adding equipment (routers, switches, DSLAMS, etc) or increasing other network parameters - these all take significant time (weeks to months) to be modified.
•You may be required to upgrade to a higher level ($$) of ISP service to achieve decent TBB Call Quality - but this does not always work as in the case of SHAW, including their QOS feature.
In some cases, using a particular ISP from a specific location will never give you decent TBB Call Quality. Once again, this is definitely a problem with the ISP connection and has nothing to do with TBB (unless there are TBB System problems as noted above). Note that the same ISP may provide excellent Call Quality from a different location (building) - all due to the manner in which the connection is made!