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SIP being blocked on SB8200

  • February 12, 2024
  • 2 replies
  • 32 views

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I’m trying to get a SIP circuit to register, but the SB8200 (used with Xfinity) is blocking something. When I switch to my AT&T circuit, the SIP comes up just fine. Is there a manual for this device? I can’t seem to find one.

Best answer by SURFboard Moderator

SB8200 is just a cable modem it doesn't have any advanced configuration such as SIP etc. so that can done only on the router interface or GUI or on the combination unit so please do check with your router manufacturer to setup SIP.

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2 replies

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SB8200 is just a cable modem it doesn't have any advanced configuration such as SIP etc. so that can done only on the router interface or GUI or on the combination unit so please do check with your router manufacturer to setup SIP.


plemans
Juggernaut
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  • Juggernaut
  • February 14, 2024

what router do you have connected to the SB8200? Whats the SIP circuit? The actual device you’re using?