Hi Jose Luis.Did you solve the issue?I have the same issue.if I get 4 digits works fine, but if my ISP sends me 5 digit stops working.I tried the settings as you show in your post but did not work.Do I need additional settings?
If you need multiple voice vlans in use, do not use the smart port graphic configuration. You can create the vlan by the graphic way, but if you want to use that's vlans as voice vlans (do not name it as the voice vlan, name it different) you have to...