Why VOIP has one way audio, and how to fix it.

[@damianpajares]

This video was great, and clarity of your explication are very good. Thanks.

[@DarthSidious9096]

Excellent video. Thank you

[@kuqezi8081]

Beautiful!!

[@darshanabamunuarachchi5666]

Awesome !!! Thank you !!!

[@mybluemars]

Can you explain the "payload" and how it works?

[@jorgeabalo4054]

This video just turned on my brain, I found my problem, I need to enable NAT transversal in the SonicWall?

[@rnjvideo]

Great video. Thanks. Didn't mention if the public ip address of the router is static or dynamic. What about if the call originates from outside?

[@yousifsameer284]

very very nice its right and true talk

[@HGruber71]

If you do not want strange problems, never use STUN. This can be useful only for short tests.

[@punktachtneun9743]

thx for your great explaination! Is it possible that oneway audio is caused by the nat layer if it is only a temporary issue?

[@PacoOG-de1ut]

Anybody have experince with Sonicwall NSA 2700 & SIP with NAT ? We tried using Meraki MX 85 but got one way audio and coud not get it resolved. Looking for any informatio if Sonicwall NSA 2700 would handle SIP NAT better ?

[@ashwincjoshi]

I do not think that response OK packet can reach the phone. The response follows the via header and it would try to send the response to private IP.

[@jonetjose7077]

Two headers are used to overcome this; 'received' and 'rport'

[@wilkcards]

Thanks...any experience with asterisk? I have server running on ubuntu with dd-wrt as gateway and am having these issues. ICMP packets are not being routed back to the sip client properly on remote extensions

[@dragsensei7322]

is it possible to be bypassed?

[@shetuamin]

I have a one audio problem on vpn client remote extention. Do you have any tutorial about this.

[@ftnoc8446]

Thank u for your Video i can't find The Elastix 4 or Elastix MT iso anywhere please share it with me Best Regards

[@LuisHernandez-bo9rg]

Hi I’m having a issue with forwarding calls from a landline to zoiper phone with sip trunking wandering if I can email you for guidance.