Hello Community,we switched from our PBX to SIP Trunk. We have a CISCO 29series (without CUBE). The router interface is directly connected to the Internet with a public IP address. Unfortunate we cannot register our SIP Trunk to the ISP. What did I w...
Hi Chris,thank you so much for your info. Mmhh, I thought my old router is the major problem.I'll check this with our ISP. In addition I'll log the SIP via Wireshark.Hopefully I can see here what's going on from my router to ISP.I called them this we...