Release Notes

Interoperability
Cisco TelePresence Server Software Release Notes 3.1(1.95) Page 22 of 31
Endpoint Software Comments
Cisco TelePresence System EX90 TC6.1.1 Tested H.323, SIP, and CUCM to VCS/Conductor
SIP:
n A flicker is seen when the video from a
participant changes from a continuous
presence pane into the main pane. Seen when
active speaker changes or when making a
participant important. (Issue identifier
CSCuh92611)
Tested CUCM to VCS H.323 interworking:
n Interworking calls from this endpoint is not
recommended
Cisco TelePresence C Series, Cisco
TelePresence System EX Series
TC6.2 Tested SIP:
n These endpoints occasionally exhibit high
latency and video corruption in low bandwidth
calls. (Issue identifier CSCui40418)
Cisco TelePresence C Series, Cisco
TelePresence MX Series, Cisco
TelePresence SX20 Quick Set, Cisco
TelePresence System EX Series
TC5.1.7 Tested SIP:
n The endpoint does not respond to normal
keyframe requests when it receives incorrect
timestamps in ClearPath messages. The issue
can manifest as a loss of video from the
endpoint. (Issue identifier CSCui34688)
This issue can be worked around by disabling
ClearPath on the endpoint.
The issue is resolved by upgrading the
endpoint software.
Cisco TelePresence System TX1300 47,
Cisco TelePresence System TX9000
TX6.0.2 Tested TIP:
n Orange or green flashes can be seen on the
display of these endpoints in 1080p30/720p60
calls. (Issue identifier CSCui78297)
n In some circumstances, content video sent to
the TX1300 47 may show artefacts
n If the conference security state changes to
insecure, and then changes back to secure,
the security indicator on this endpoint still
(incorrectly) indicates that the conference is
insecure
n You cannot disconnect audio add-in
participants via the participant list on the touch
panel. (Issue identifier CSCuj50089)
Tested CUCM to VCS H.323 interworking:
n Interworking calls from this endpoint is not
recommended
We recommend that you use TX software 6.0.5,
or later, with TelePresence Server software 3.1
(1.95).