naptr

  1. Issue with NAPTR registering CompanyFlexCloud

    Hi, I'm trying to configure a Telekom CompanyFlex Cloud sip trunk with tel.t-online.de on the 3CX Version 20.0 Update 4 (Build 487 Release), but i cannot resolve the NAPTR I noticed that the system is can not resolve the registrar and the proxys I followed this instructions for Telekom...