Video does not work when videodirection is set to Receive Only

FreePBX Endpoints
1

I am using the Linphone SDK for my own android application and FreePBX as a sip provider. When creating functionalities for single direction video (being called from an intercom) it seems to not show the video stream, whereas I use another sip provider this problem does not occur.

It seems to be connected with video, but it refuses to show the stream on the TextureView.

2

See the first half of:

3

Thanks for the insight, at least it gave me some information about this topic.

It does not seem to interfere with the SDP settings since it is set to recvonly.

    SIP/2.0 200 Ok
    Via: SIP/2.0/UDP 20.224.255.108:5162;rport;branch=z9hG4bKPjc4b11e4e-1073-43ad-a4e8-927935a1a18f
    From: "name 201" <sip:[email protected]>;tag=b172bb12-038e-4928-bf3a-447a2dd8c509
    To: <sip:[email protected]>;tag=eY-wHDt
    Call-ID: 0e57af75-4578-434e-a7f5-cabcf55e69e0
    CSeq: 16506 INVITE
    User-Agent: Unknown
    Supported: replaces, outbound, gruu
    Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO, PRACK, UPDATE
    Contact: <sip:[email protected]:39091;transport=udp>;+sip.instance="<urn:uuid:17bc3004-0375-0058-830e-06ff6c5bcf9a>"
    Content-Type: application/sdp
    Content-Length: 343
    
    v=0
    o=100004 367 1225 IN IP4 172.16.23.21
    s=Talk
    c=IN IP4 172.16.23.21
    t=0 0
    m=audio 7078 RTP/AVPF 0 8 101
    a=rtpmap:101 telephone-event/8000
    a=rtcp-mux
    a=rtcp-fb:* trr-int 1000
    m=video 9078 RTP/AVPF 99
    a=rtpmap:99 H264/90000
    a=fmtp:99 profile-level-id=42801F; packetization-mode=1
    a=recvonly
    a=rtcp-mux
    a=rtcp-fb:* trr-int 1000
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