Call Drops
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Call Drops
My call dropped in the middle I was talking, I might hear fast busy or just dead air. Please check the following points to solve this issue;
Call dropping within the first minute – missing ACK in Invite. Check NAT configuration.
Maximum Call time exceeded, many service providers set a limit on the maximum duration for any call passing through their system. Double check with your service provider.
Please check the following wiki for more troubleshooting steps; FreeSBC Troubleshooting Guide
- Calls dropping at specific intervals (10 min, 30 minutes).
- Check the SIP session timers.
- Uncheck “Use Session Timer” from SIP configuration. SIP -> Select the name from SIP Configuration menu -> Session Timers
Please check the following wiki for more troubleshooting steps; FreeSBC Troubleshooting Guide

» call rate limiting
» call not making it into call trace
» NAP Call Limit
» 3CX Incoming Call Rejected.
» Droping an active call
» call not making it into call trace
» NAP Call Limit
» 3CX Incoming Call Rejected.
» Droping an active call
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