In desperate need of any bcm 400 3.5 patches since the Avaya PLDS site has left out this version for download. Does anyone know where they can be aquired? Inter-office dialing between a 3.5 to 4.0. Calling works flawlessly between the 4.0 to 3.5. When a call is made from 3.5 to 4.0 as soon as the caller picks up, the call is terminated. If call isnt answered call goes to voicmail. Ideas?