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Network Quality

SIP Service Support


While it is recommended to use a qualified electrician, telephone technician and an IT professional for installation, troubleshooting and/or repairs, you may follow the steps listed below to troubleshoot on your own.

Stop SignPlease note the CAUTIONS before attempting any repairs.

Tech Support Before you call:

SIP Devise Troubleshooting:

By finding the source of the problem, you will know whom to call to have the problem repaired.

  1. Check your Internet Connection.
    1. If your Internet Service Provider (ISP) is experiencing a service interruption, your SIP Services will not work as well.
      1. Contact your Internet Service Provider (ISP) for support.
    2. Ironton DSL customers:
      1. Refer to - "DSL Service Support".
  2. Check the connections to the SIP devise.
    1. Make sure the Patch Cable is connected to the Internet jack on the SIP Device.
      1. Analog Telephone Adapters.
        1. Refer to - "Analog Telephone Adapters (SPA)".
      2. Yealink IP Telephones.
        1. Refer to - "Yealink IP Phones".
  3. Check the SIP Device for an IP address.
    1. Most SIP Device use DHCP to connect to the sites LAN.
      1. Verify the Switch and Firewall are functioning correctly.
      2. Contact your IT professional if required.
    2. Analog Telephone Adapters.
      1. Refer to - "Analog Telephone Adapters (SPA) - Checking the IP Address".
    3. Yealink IP Telephones.
      1. Refer to - "Yealink IP Phones".

Registration Issues:

  1. Verify Firewall & Router settings.
    1. Disable SIPALG.
  2. Verify Authentication Settings.
    • Authentication provided in welcome letter.
      • Contact Technical support for verification if required.
    1. Account ID.
    2. Service Password.
      1. Password is case sensitive.