Right now we have 1 cloud FreePBX server (Ubuntu) at internet, there is Strongswan IPsec tunnel to the SIP provider (connected) but now we need set SIP trunk just over this IPsec, anything else at public IP has to be working...
9 фрилансеров(-а) готовы выполнить эту работу в среднем за $79
I am an expert in VOIP and Asterisk working with FreePBX, Vicidial, Queuemetrics, Issabel and more. I have experience with asterisk behind NAT. I can do it, just message me for more details
I have worked out SIP and VOIP configuration on asterisk platform, i am interesting with this project. Telephony gateway, SIP, PJSIP, VOIP and IVR configuration