Step 1: Connect the SNOM to the network and let it get an IP Address.

Step 2: Log in to the device’s web interface.

Step 3: Click on the  Identity 1 option on the left under the Setup category.

Step 4: The page will open on the “ Login” tab; fill in the SIP credentials.How to Get Sip Credentials. This will allow the extension to register.

Step 5: Next, navigate to the RTP tab (Still under the Identity section) and make sure the settings are set like the image below :

·       Codec: g729

·       RTP encryption: Off

·       Media transport offer: UDP

Step 6: Select System Information to confirm Identity 1 is online.

Step 7: Navigate to the Advanced section on the left.

Step 8: Choose Behavior.

Step 9: Disable Challenge-Response.