NEW OBI200 UNABLE TO HEAR BOTH WAYs

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drgeoff:
Quote from: bigL on September 18, 2021, 06:57:00 am

I am finally able to make calls, No delays, super clear!   On my Untangle firewall, after searching, there is an option within the Network Config, as ENABLE SIP NAT Helper.  I unchecked restarted the OBI200 and OBI2182 desktop phone.  After about 5 minutes when the OBI devices finally connected, butter on toast!  Every works. 

That is usually called "SIP ALG" and in many (most?) cases it does more harm than good.  OBihai has FAQs about it - see https://www.obitalk.com/info/faqsearch?q=ALG

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