t40g

  1. Unsupported Suddenly no calls between 2N IP Verso and Yealink T40G

    Hi all, we have some 2N IP Verso intercoms at several doors and since the update to 3CX version 18, these intercoms cannot call any T40G phones. This is a really strange behavior, other phones can be called without any problems, only the T40G is not working. The call never reaches the T40G and...