[Blink] Blink Video Beta and screen sharing.

[razieeel razieeel]

Hello! I'm using the new blink-qt for windows beta. As a server i have my
asterisk server setup. When i do and try to share my screen from user1 to user2,
i get such error in the blink chat window:

Session Information: SIP core error. Could not initialize RTP for video session:
Codec internal creation error (PJMEDIA_CODEC_EFAILED)

In the asterisk i can see that my extension get executed:

-- Executing [123 at from-internal:1] Set("SIP/user1-00000008", "_SIP_SRTP_SDES=1")
in new stack
-- Executing [123 at from-internal:2] Set("SIP/user1-00000008", "_SIPSRTP=1") in new
stack
-- Executing [123 at from-internal:3] Set("SIP/user1-00000008",
"_SIPSRTP_SIPCRYPTO=enable") in new stack
-- Executing [123 at from-internal:4] Set("SIP/user1-00000008",
"CHANNEL(secure_bridge_signaling)=1") in new stack
-- Executing [123 at from-internal:5] Set("SIP/user1-00000008",
"CHANNEL(secure_bridge_media)=1") in new stack
-- Executing [123 at from-internal:6] Dial("SIP/user1-00000008", "SIP/user2,60") in
new stack
== Using SIP VIDEO CoS mark 6
== Using SIP RTP CoS mark 5
-- Called SIP/user2
-- SIP/user2-00000009 is ringing
> 0x2380570 -- Probation passed - setting RTP source address to
131.39.128.199:50024
-- SIP/user2-00000009 answered SIP/user1-00000008
-- Channel SIP/user1-00000008 joined 'simple_bridge' basic-bridge
<c244bfe0-5ed3-4093-b0f8-769c0784a31c>
-- Channel SIP/user2-00000009 joined 'simple_bridge' basic-bridge
<c244bfe0-5ed3-4093-b0f8-769c0784a31c>
> 0x7fa2700158e0 -- Probation passed - setting RTP source address to
131.39.128.199:50056
> 0x7fa2700158e0 -- Probation passed - setting RTP source address to
131.39.128.199:50056
-- Channel SIP/user2-00000009 left 'simple_bridge' basic-bridge
<c2814e2-6e11-1243-b0f8-169f81524b11c>
-- Channel SIP/user1-00000008 left 'simple_bridge' basic-bridge
<c2814e2-6e11-1243-b0f8-169f81524b11c>
== Spawn extension (from-internal, 123, 6) exited non-zero on
'SIP/user1-00000008'

So i have a few question actually:

Do screen sharing using blink client require any specific extensions or modules
other than simple video support in Asterisk?

Can you give me a tip, about how can the screen sharing support can be achieved.

I do have h264 codec availiable on my server and on my windows system. Pleashe
help!

Raziel.
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