Erwin Bierens

Sharing Knowledge

SIP Error 485 Ambiguous

A customer was facing the problem that it was not possible to reach a certain contact person on his E164 number. The first thing to check was in this case the Audiocodes Syslog Viewer. What is happening with the call? Does the call reach the Mediant or Skype for Business Server? So i called the number from my own Skype for business Client. I received the following error. Let’s check the Syslog Viewer: