T58W Jerky Video from doorphone [Solved?]

[Xerox]

A video call from a Fanvil i62 doorphone is shown jerky, freezing into T58W phone.
Let's say moving image is shown at answer, then it freezes for 2-3 seconds then other few frames are shown then freezes again and so on, at regular intervals.
Of course i62 video is diplayed correctly on Fanvil phones or played as rtsp stream on VLC viewer.
A video call from Fanvil V67 is correctly displayed into T58W phone.
All is managed by Freepbx but it seems not to be the issue.
I played with doorphone/ip phone video bitrate without success.
Tried with another i62 doorphone, same issue.

Any suggestion ?

[Xerox]

No one encoutered video issue with T58W (no pro , no camera) ??

Is there a standard video format/codec/bitrate accepted by this phone to show a flowing video ?

Thank you

[Xerox]

Video quality of a single freezed image is good (25fps, 720P, 3Mbps, 50 I Frame Interval on Fanvil i62).
The issue was solved by lowering I Frame Interval to 5 on doorphone.

However, with the initial settings, video was OK on Fanvil Phone or Zoiper softphone.

Is it a T58W issue in managing data flow ?

[Dylanp]

Experiencing similar trouble, only started recently. AXIS intercoms, ran great for a month or so now all five of T58W's I setup for this are experiencing video freezing. Any solve on this?