Help Bridging 2 networks over internet

**hello guys

i’m a bigner in these kind of things on mikrotik

so i got actuly 3 offices in 3 citys

all off them got internet + static ip + all off them got mikrotik in the network

so what i wannt help in

what is the best way to bridge the networks
( MPLS - VPLS - EOIP etc)
and how i can do that , like link me a page that helps me please

mostly i need the bridging so i can conect my PBX ip phones

i got like over 120 pc’s + ip phones in each office

i can upgrade my boards if needed

thx**

Hi,

you can create EOIP tunnels and bridged them with your ethernet interfaces. This will create a L2 circuit between two endpoints.

We route the entire network and use pptp/IPSec.