question

Brian Thompson avatar image
Brian Thompson asked mike answered

cable modem/router combo or separate devices?

we recently switched our ISP to Time Warner Cable with 10/1 bandwidth. when running the QoS test, our jitter and packet loss seem to vary a lot. we only have two RC lines connected to an ATA for use with existing phones. Pior to switching we had DSL and call quality seemed fine (though we were not using RC extensively at the time). the TWC supplied cable modem/router (Ubee) does not have QoS capability. should i be looking to add a separate router behind the existing Ubee modem OR replace the Ubee modem/router with a more robust modem/router that supports QoS? or should I be looking at something else entirely? 
routermodemtime warner cable
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Jeff Rumage avatar image
Jeff Rumage answered Jeff Rumage commented
Brian,

Do you have an update on this issue?  I have similar issues.

Jeff Rumage
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mike avatar image mike commented ·
Jeff,  let us know if you are still having quality issues. You are welcome to open a case if you need to. 

Mike 
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Jeff Rumage avatar image Jeff Rumage commented ·
We ultimately upped our ISP Bandwidth.   Even though the ring central capacity tools indicated we could support several lines, Our phones continued to have jitter Issues.   Bumping our ISP Service up to the next level seems to have cured the problem. 
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Brian Thompson avatar image
Brian Thompson answered
We tried switching to a combo device (both modem and router) but TWC wouldn't let us use it as the modem b/c we were a "business class" customer (not sure the about the reasoning behind this). We wound up buying a new router NetGear WNDR4500 (though I think any router with QoS would be sufficient) and had TWC configure the existing Ubee modem/router as a gateway (which you have to get them to do). Call quality has definitely improved after making the changes.
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mike avatar image
mike answered
Brian & Jeff,  Thank you for the follow up and feel free to post again if you run into future issues.

Mike 
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