Telephone calls cutted after ca. 15 minutes

[anon33261557]

@marco

forwarding rules are not a bad thing in general

Its not necessary to repeat me your opinion again. You have already done this in the past and i have a very good brain Just in case you forgot about this…

SIP Problems on 155

@ewald Hello ewald I recommended you if something works without opening from outside to inside (portforwarding), then prefer this way. Iam a big fan from only open if its absolute necessary! My own experience how Voip works for me since several years in orange, ipv4 only (no CGN) without portforwardings without ALG (from beginning i never needed this) without SIP Proxy