Preconditions

• Brand Snom is created in the Endpoint Manager → Advanced → Add Brand
• M900 Template is created under Snom Brand via Snom → New Template
• Extensions have been created
• All base stations are on the same firmware level

Procedure for Primary base

• Login to FreePBX web user interface 
• Go to Settings → Endpoint Manager
• Open the right panel as shown below

• Click on Base Station Management under Advanced menu
  • Click Add Base Station 
  • Fill in the blanks with the required information/selection (Brand, Template, MAC address, IP address if peer to peer selected etc...)

• • Click Save BaseStation
• Go to Endpoint → Extension Mapping 

• • Click Add Extension under Extension Mapping
  • Select a predefined extension from the list
  • Select Brand, Template, Model and the Base Station respectively
  • Select Save and Rebuild Configs from the dropdown below and click Use Selected 
  • Repeat these steps for each extension that is planned to be added to the base

• Log in to the M900 WUI
  • Under Management, put the provisioning server address as the configuration server address (where the config file is located on FreePBX side)

• • Click Save and Reboot
• Click Multi-Cell menu
  • A message appears that the base station is joined as Primary

Procedure for Secondary base(s)

• Login to WUI of M900 (No configuration on FreePBX required)
• Go to Country menu and align Country, Timeserver and Language informations with Primary 
• Go To Multi-Cell menu and enable Multi Cell System and align System Chain ID with Primary 
• Save and Reboot
• Click Multi-Cell menu
  • A message appears as the base station is joined as Secondary
• Check if Extensions available on Secondary as well as Primary base station under Extension menu
• Check if Server information is available on Secondary as well as Primary base station under Servers menu