This is usually a DSP issue on your gateway. What happens is some channels on the PRI/T1 are not working properly because of a DSP issue. The inbound call comes in, gets routed to IPCC and is then sent to the agent.
The data for the call arrives at the agents desktop, however, when the call is sent from the gateway to the agent phone, the rtp stream never makes it.
See if you can use "debug isdn q931" on your gateway to pin it down to a specific channel on your PRI.
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...