Connectivity
Connectivity and managing Your Comcast Business network
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j1mat
New Member

SIP blocking

Does anyone know if Comcast blocks SIP on business class lines?  We had new business class lines installed but I can't get any of our IP phones to come online.

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Community Manager
Community Manager

Re: SIP blocking

Welcome j1mat.  Comcast does not block network protocols on our Business Service offerings.  Please provide a little  more information on the actual set up so that we may properly assist.   

You stated that you had Business lines lines installed.  Are you connecting via a Comcast Business gateway (SMC D3) or fiber on Business Enterprise?  Also what interface device are you utilizing between the IP Phones and the Comcast network?

 

Thank you 

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