...
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generate_av_for_ua=all |
6. IVR greeting plays not from beginning if caller makes audio+video call
Symptoms: there is a gap before IVR greeting starts playing if caller makes an audio+video call (for instance, using Phone Video example)
Solution: update WCS to build 5.2.1755 and reduce video frames generator start timeout
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generate_av_for_ua=all
rtp_generator_start_timeout=100 |
7. An excessive video transcoding to VP8 starts when making a call between browsers
Symptoms: a video traffic is receiving from SIP server in H264 codec, but video is playing as VP8 in browser
Solution:
a) add the following parameter to WCS settings
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profiles=42e01f,640028 |
b) add the following parameter if above does not help
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proxy_use_h264_packetization_mode_1_only=false |