3CX YealinkT48S Manual Setup

3CX + Yealink T48S

Reference: https://www.3cx.com/sip-phones/manually-provision-yealink/

Manual Configuration Steps

3CX Console

Phones > Add Phone section

1. Phones > Add Phone
2. Choose Extension to associate with phone
3. Select model (T48S) and enter MAC address (see router > DHCP, remove colons)

Phone Provisioning > IP Phone section

1. Select Interface (90.xxx)

VLAN Configuration section

1. Enable VLAN for WAN Port
2. VLAN 90
3. OK
4. (back to Phone Provisioning) Copy Provisioning Link (http://192.168.90.xxx:500/...)

Phone Web Interface

1. Open Phone IP address in browser
2. Login (default admin / admin)

Settings > Auto Provision

1. Paste Provision Link from above step into Server URL field
2. Confirm
3. Auto-Provision Now

3CX Console

Phones

1. Select phone checkbox (line will be red)
2. Click +Firmware and upgrade