Reply To: GENERICAL VOIP PROBLEM WITH NO ANSWER and NO SOLUTION

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#54201

iulyb
Member

Making some generic affirmations will not fix your issue. There are many messages because there are different PBX networking setup. Here are most common:

1) PBX Inetrnet ZS NAT SIP Clients — zhis is what I use, should be no setup / config however you can check conntrack and sip kernel module options. However I found that I need to do a contrack – f command every time I reboot ZS, else some SIP clients will not register.

2) SIP Client Internet ZS NAT PBX . Here u should forward ports or place PBX into a DMZ zone. ZS doesn’t have a DMZ section like a cheap router you will have to create it.