![Cisco Call Manager Express Part 1](https://asmweb.wpenginepowered.com/wp-content/uploads/2016/05/Call-Manager-Express-Part-1-1-431x300.jpg)
Follow @ASM_Educational The Trunk port between the router and switch had to be manually configured using sub-interfaces. Note, however, that the DATA vlan traffic and the phone VOICE vlan traffic for each host is carried over the same link (multiple vlan traffic over the same port).