Stuffed around with this app for srsly a long time. Configured the Sipura (Which sorted sucks/owns) in almost every possible fashion. I use Engin voip which I believe doesn't support G711u as a codec, although I could be wong, yet I'm rather positive this isn't a codec issue. I've disabled RTP where availble on my hold-music generator. I've disabled and tried all sorts of configurations on the Echo Cancellation and CNG settings within the ATA itself. Is there _ANY_ thing I can do to fix this rando beeping that myself and callers hear in the background. I'll go all out and clearly state, that this type of occurance during a fone call appears completely unprofessional. Is there any solution? Regards.