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DidntGiveUp
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DidntGiveUp

Anon

[Connectivity] [FIX] Get VOIP working on SMC xfinity modem/router

Hey guys after doing hours and hours of research and finding no answer to tho problem I finally figured it out.

Tried just about everything to get my voip service by PhonePower (voip modem grandstream HT-502) to connect to SMCD3GNV docsis 3 model issued by xfinity.

To get it to work you need to do 2 things

1) on the SMC port forward: 5060 to 5061 UDP, and 5004 to 5012 UDP to your grandsteam IP address (see pic: »i60.tinypic.com/35bcie8.png).

2) on the greadstream (default pass is 123 btw) you need to go to basic setting, under DNS Server 1, and DNS Server 2 add: 8.8.8.8 and 8.8.4.4 (this is googles DNS) (pic: »i59.tinypic.com/20z4arn.png)

And your VOIP would finally work, you shouldn't get the stupid message saying NOT REGISTERED!

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