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Ubee Modem-Routers and Call Termination
8x8 Support

Ubee Modem-Routers and Call Termination

Symptom

Calls to 800 numbers and specific area codes fail to complete.

Applies To

All Ubee Modem-Routers

Resolution

  1. Log in to the Ubee combo unit.
  2. Go to Advanced > Options and uncheck the box to the right of SIP.
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Cause

When SIP ALG is enabled on Ubee devices, it modifies the SIP packet headers and causes the carriers to reject the packets. This leads to issues that mimic call termination, and calls do not complete as expected.

 

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