Troubleshooting Snom IP phones is crucial for ensuring seamless communication. This guide helps you identify and solve common issues such as registration errors, audio problems, and NAT-related questions using Snoms built-in SIP trace and syslog tools.

Check Identity Status in the Snom Web Interface

  1. Step 1: Open the Web Interface

    Go to your Snom phone's IP address in a web browser.

  2. Step 2: Navigate to the Status Page

    Find and click on the status or identity status menu.

The Phone Shows Not Registered or Registration Failed

  1. Step 1: Check SIP Credentials

    Go to portal.internetport.com -> Services -> My Services -> [SIP-trunk] -> Configuration Details to verify your SIP credentials.

  2. Step 2: Update Credentials in the Phone

    Ensure that the username, password, and server address match those provided on Internetport's portal.

Enable SIP Trace in Snom syslog.snom.com or Local Server

  1. Step 1: Log In to the Web Interface

    Go to your phone's IP address and log in.

  2. Step 2: Enable SIP Trace

    Navigate to the logging or SIP trace section and enable it. You can send logs to syslog.snom.com or a local server.

No Sound or One-Way Audio After Connected Call

  1. Step 1: Check Codec Settings

    Go to the codec settings in the phone and ensure they match the codecs supported by Internetport, which are G.711 a-law (PCMA), G.711 u-law (PCMU), G.722, and G.729.

  2. Step 2: Check Microphone and Speaker Connections

    Ensure that both the microphone and speakers are correctly connected and functioning.

Echo or Poor Audio Quality

  1. Step 1: Adjust Echo Compensation

    Check and adjust echo compensation settings in the phone.

  2. Step 2: Check Network Quality

    Ensure that your network has sufficient bandwidth and is stable for VoIP communication.

Snom Behind NAT stun_server and nat-settings

  1. Step 1: Configure STUN Server

    Set stun.internetport.se as the STUN server in the phone's settings.

  2. Step 2: Enable NAT Traversal

    Ensure that NAT traversal is enabled in the phone to handle network traffic behind a NAT router.

Collect SIP Trace and Contact Internetport Support

  1. Step 1: Collect Logs

    Collect all relevant logs from the SIP trace.

  2. Step 2: Create a New Ticket

    Go to portal.internetport.com -> Support -> New Ticket and attach the logs for troubleshooting assistance.