Some kind of port conflict?

Question

WiFi

Greetings masters and gurus!

The problem is, now everything on the network is connected to Wi-Fi, including the scanner.
IP phones are powered from system engineers by setting


Phones constantly write that there is a port conflict, I honestly don’t know what to do and how to fix.
The scanner periodically does not want to scan, it also writes a failure.

Since I am self-taught in all this, please help - just write as the last loser, as I may not understand something))).

SIP phones D-Link DPH-150S if required.
Scanner Canon MG3000

Answer 1

Initially, the wrong approach was chosen; normally, such a scheme will not work.
Possible solutions:
1) Set up a network bridge between the wireless and wired network cards, and connect the phones to the PC WAN interface.
2) Refuse this phone model in favor of wireless (supporting wi-fi)
3) Buy headsets for PC and install software SIP clients on them.

Answer 2

So how was the issue resolved - by connecting LAN VOIP via cable.
Moreover, through a router that itself is powered by the main WiFi over WiFi. But at the same time, it distributes the Internet further, that is, it was used as a bridge.
But from time to time the printer gives an error on Wi-Fi, it is not clear whether the printer is stupid or the network is buggy e