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Question

VOIP Gateway and wireless router lashup?

by Jim41 / December 5, 2011 8:12 AM PST

Question: Can a VOIP gateway device be connected between a DSL or cable modem and an existing wireless router? Here's my problem. The cable and phone lines come into a box in the garage, that's where the cable modem is. But my wireless router is in the attic on the end of 50 feet of CAT5 cable. I want to add a VOIP modem, but want it in the garage where the phone lines are. It's not convenient to bring a second CAT5 cable back to the box from the wireless router, so can the VOIP modem be connected inline with the router, or in parallel (Y-cable) with it?

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All Answers

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Answer
Inline
by sunwatcher / December 5, 2011 10:38 AM PST

Modem > VOIP adapter > router

It's actually the preferred method since VOIP will be given priority over other traffic, and call quality won't be affected by high internet use. Just be sure to configure the network devices properly.

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VOIP Gateway and wireless router lashup?
by Jim41 / December 5, 2011 11:14 AM PST
In reply to: Inline

Does that mean that a VOIP adapter has two RJ45 jacks: an in and an out?

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Answer
Voip gateway
by bill012 / December 5, 2011 7:05 PM PST

The method it is cabled is mostly the same no matter where you locate the units. Some voip gateways are routers so they have wan and lan ports. Some gateways like magicjack for example are simple phone in and lan out. On this second type you must plug them into your router. If it is the router type you can plug these inbetween but you now get the router behind a router issue that is discussed all over the place on this forum.

A note on you cabling. A dirty trick that works as long as you are not running gig is to split your cable. You should have 4 pair of wires. Only 2 pair are used for 10/100... generally the orange and green pair in standard cables. This leaves a blue pair and a brown pair. You could rewire your cable/jacks to use the orange and green pair on pins 1236 and leave the others empty. You could then run 2 telephones lines on the other pairs or wire a second ethernet connection using the blue and brown pair. Not the "best" thing to do but it works when there are no other options

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Voip gateway
by Jim41 / December 5, 2011 11:54 PM PST
In reply to: Voip gateway

Very interesting idea, just might be my salvation. Alternatively, I could split the four pairs, use two up to the router, and two back down from a LAN port of the router to the gateway. Thanks much!

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