[Spce-user] 400 Invalid SDP body - mr12.4.1

[Pa Ka]

Hi, kindly guide me on how to resolve this issue below

FusionPBX is registered to spce via Gateway.
Calls initated from the fusionPBX returns the error below. Sngrep returns 400 Invalid SDP body error.

Aug 14 01:38:15.999565 sips proxy[3824]: NOTICE: FAILURE_ROUTE_LEG_B <script>: *** Failure route for leg-b call, code='400' - R=<sip:E.14 at pstnIP:5060;transport=udp> ID=<3ed635f8-d4a2-123d-5d9b-6045bd5f9da7_b2b-1> UA='<null>'

Aug 14 01:38:16.000011 sips proxy[3821]: NOTICE: REPLY_ROUTE_NAT <script>: NAT-Reply - S=400 - Invalid SDP body M=INVITE IP=<MP fusionpbx IP>:<53205> (<127.0.0.1>:<5080>) ID=<3ed635f8-d4a2-123d-5d9b-6045bd5f9da7> UA='<null>' DESTIP=<127.0.0.1>:<6052>
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