You can make and receive calls on it, but if you try to transfer a call to it as soon as you hang up and complete the transfer it disconnects. Or if you do a blind transfer it hangs up as soon as you answer.

I've tested with a 3CX's Windows SIP phone using the same extension and it works fine, so it's got to be something with Toshiba and the Panasonic. Any thoughts? On a LIPU...


Toshiba Sales & Installation Tech