This is not my article I copy and pasted if from the below. The only reason it’s on here is because it took me a while to find so I figured I would put it here since it’s useful to me.
Enable voice VLAN on Cisco switches for non-Cisco phones
by lunarg on February 20th 2017, at 14:53
When provisioning non-Cisco phones on a Cisco-switched network, you may notice that the configured voice VLAN is not correctly provisioned to the phone.
Enter enable mode:
en
Enter Global Config (use this mode for 99% of the configuration, must be in enable mode):
conf t
Set port back to default
default int G0/4
Encrypts all passwords on the device:
service password-encryption
Configure enable password (or secret in this case):
enable secret ________
Create user with highest privilege:
username _____ priv 15 password ______
Generate RSA key for SSH (needed if you plan to use SSH):
Over the past couple days I’ve been trying to get a Cisco 3560 with VLANs to work. Finally I was able to get it working. This is my first blog post FYI it’s not the most detailed. It’s just info on what I’ve learned. This is not the best post to read if you have no technical knowledge. If you have some you should be able to work your way thru my horrible instructions.