i have a problem with my Network.
have a cloud esxi server installed Mikrotik Router Os and Telefon machine on it.
on my office have a mikrotik cloud core connected to internet connection 150 mbits download and 15 mbits upload.
there is a tunnel L2tp between router Os in the cloud and mikrotik in my office.
mikrotik router os in the cloud is the PPPoE Server for my client connection (so they get a Real IP) are going over the tunnel to my Office MIkrotik then over Wireless connection mikrotiks Antenne to the customers.
every thing work i have 70 customers and 7 of them have a bad VoIP quality connection on Upload , customer side Routers are mikrotik or fritzbox.
how can i make a better VoIP Quality for this customers should that be on my Router OS the PPPoE Server or on my Office Router or in the end Customer Router like Fritzbox?