With CTS endpoints, there is alarm when the packet loss rate exceed 1% and the call is drop when another threshold (10%) is exceed.
Do we have the same for EX90 or TC endpoint in general ? Can the call be dropped when exceeded a threshold ?
I am asking the question because we had a meeting hosted on a CTMS with 3 CTS endpoints and one EX90. The EX90 had network issue (packet loss and Jitter). The side effect was that the CTS endpoints detected packet loss on received stream and disconnect from the meeting by their own. We would have prefer that the EX90 disconnect itself from the CTMS. Note the the clearpath is activated on the EX90. Does it have any impact ?
I don't believe the EX90 packet loss would cause a CTS unit to disconnect unless the CTMS was having congestion issues itself. The CTS units and CTMS have their own integration of call drop rules which the EX's or other non-immersive TelePresence do not contain.
From the CTMS 1.8 Admin Guide: "Warnings are issued every 20 seconds when an endpoint crosses its packet loss threshold. If congestion continues for more than 40 seconds, the endpoint will be dropped."
From the CTS 1.7 Release notes; Cisco TelePresence Smart Media Solution: "Call Drop Rules—The CTS will drop a call if it detects 100% received packet loss for 30 seconds or more or if 10% packet loss is sustained for 3 minutes. The main display may go black for a short period of time while the troubled endpoint is dropped from the call."
I would be more suspect of the CTMS network connection being in question. If any of the common path points that all devices shared in getting to the CTMS are having issues either directly related to or as a byproduct of the call, then it's possible the EX would experience packet loss and then the CTS would eventually too. I would investigate the network paths there should be no reason the CTMS would drop a CTS because of loss from an EX.
The meeting was with 3 CTS 3xxx, 1 CTS 1300 and 1 EX90.
The EX 90 was the last endpoint to join so was displayed on left screen of the CTS3xxx.
The Packet Loss and jitter were only noticed on left screen for the 3 CTS3xxx. The 3 CTS3xxx did not disconnected at the same time. And according to the CTMS Switching log file, the CTS3xxx disconnected when the EX90 was displayed on the left screen.
My assumptions are that the EX90 (having high PLR and jitter) did not drop the call as the clearpath don't act like CTS but the side effect is that the CTS detect high PLR & jitter on received stream and drop themselves when the video stream of the EX90 was sent to them.
The short answer is that you don't.... That isn't entirely true while at
the same time it kind of is, but for the most part you don't configure
the softkeys. You enable or disable them via TCL. Here is the long
answer. Be sure to read the whole thing or e...
Topology: IP Phone > Switches > Microsoft NPS setup to forward 802.1x
proxy to > ISE 2.1 patch 3 Authentication: EAP-TLS using Cisco MIC SANs
Phone Models 802.1X support? 802.1x flavor Addtl Comment EAP-MD5 EAP-TLS
Cisco 3905 Y Y N Cisco 6911 Y Y N Cisco ...
This document describe how DST changes and how time changes are
implemented in DST. Daylight Saving Time (DST) is the practice of
setting the clocks forward 1 hour from standard time during the summer
months, and back again in the fall, in order to make b...