[Freeswitch-users] SIP Message Parsing and Auto-Action

[Nick Vines]

I have a couple Grandstream HT502s that occasionally get stuck with the
detected NAT type of
Warning: 399 ip.address "Detected NAT type is UDP Blocked". When that
happens the device is never able to complete a call until it is restarted.
Where should I start looking to create a monitor that will parse those
messages and send a reboot (i.e. sofia profile [profile] flush_inbound_reg
[call_id] reboot)

Thanks,
Nick

*Sample SIP Message*
SIP/2.0 200 OK
   Via: SIP/2.0/TCP XXX.XXX.XXX.XXX:PORT;branch=z9hG4bK2N9vy7BmyF40B
   From: <sip:22521002 at DOMAIN.COM>;tag=3yNZa6ZNv6K6g
   To: <sip:22521002 at DOMAIN.COM>;tag=1662499825
   Call-ID: 3901be5e-db58-1230-109f-bc764e103a41
   CSeq: 38881081 NOTIFY
   Supported: replaces, path, timer, eventlist
   User-Agent: Grandstream HT-502  V1.2A 1.0.8.4  chip V2.2
   Warning: 399 XXX.XXX.XXX.XXX *"Detected NAT type is UDP Blocked"*
   Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO,
REFER, UPDATE
   Content-Length: 0
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