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XGS-3300 VOIP Issues

MichaelHinkle

We have a new Sophos XGS-3300- Voip Doesn't work well on it.  Garbage calls, no ringer, etc.  I had them on a UTM and they worked great.  I have set DNS Timeout, etc, but no avail.  My assistant was on Sophos for hours the other day, but they could not get to work.  Any idea?



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    Cause

    If there are no errors in the SIP configuration, VoIP issues are usually due to the UDP time-out value.

    Sophos Firewall has a default UDP time-out of 60 seconds which is usually low for reliable VoIP communication. Usually, your VoIP provider recommends a UDP time-out value, typically 150 seconds.

    To change the current UDP time-out value from the command line interface (CLI), choose option 4. Device Console and do as follows:

    Remedy

    1. Type: show advanced-firewall

      The output shows the current UDP time-out value next to UDP timeout stream.

    2. Type: set advanced-firewall udp-timeout-stream 150

      This command increases the UDP time-out to 150 seconds. If your provider recommends a different value, use that.

    UDP time-out value causes VoIP calls to drop or have poor quality - Sophos Firewall

Reply
  • 0

    Cause

    If there are no errors in the SIP configuration, VoIP issues are usually due to the UDP time-out value.

    Sophos Firewall has a default UDP time-out of 60 seconds which is usually low for reliable VoIP communication. Usually, your VoIP provider recommends a UDP time-out value, typically 150 seconds.

    To change the current UDP time-out value from the command line interface (CLI), choose option 4. Device Console and do as follows:

    Remedy

    1. Type: show advanced-firewall

      The output shows the current UDP time-out value next to UDP timeout stream.

    2. Type: set advanced-firewall udp-timeout-stream 150

      This command increases the UDP time-out to 150 seconds. If your provider recommends a different value, use that.

    UDP time-out value causes VoIP calls to drop or have poor quality - Sophos Firewall

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