@charlie4616 wrote:
Hi,
We have an issue whereby calls drop after 30 minutes (not all but most), I am now stuck with what to do. When a call is active and it hits 30 minutes, the remote end drops but the handset connected to my FreePBX still thinks the call is active. After a further 30 seconds the internal handset drops the call due to lack of RTP. When carrying out a packet capture I can see that the SIP provider sends an INVITE request at 30 minutes call duration (I am presuming this is a re-invite) and then the next packet is a BYE request again from the provider. No response from the PBX until 30 seconds later where it sends a BYE request with code 44 (channel not available).
Is the issue somewhere on FreePBX where it isn't responding to the re-invite?
Any help would be appreciated.
Charlie
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