H hank New Member Nov 25, 2020 4 0 1 26 Feb 4, 2021 #1 SIPPnP failed, the server response 489, I using the SIPPnP function of Fanvil, it failed, I do not find the mean of "489". the phone work well with 3CX server.
SIPPnP failed, the server response 489, I using the SIPPnP function of Fanvil, it failed, I do not find the mean of "489". the phone work well with 3CX server.
