Hi to all,
my customer have a uc520, with 5 7940 phones. It have a strange problem, the internal missed calls are register and showed, but the external (from PSTN) missed calls are not showed and not registred, why?
Which is the possible problem?
Every ephone have the second button configure in overlay with the ephone-dn of PSTN number, so every phone ring at incoming calls.
Thanks a lot