on the first problem I am understanding you are still seeing a lot of AMD calls being wrongly identified as voice and transferred to the agent, well there is not a lot that could be done on this, it is truly depending on how those calls are detected.
For the failing transfers with dead air check what is your SR level on CVP? Should be SR2, go on the latest CCM SR on your system too, if this still happens, check on the call flow and look for any MTP missing for those calls transferred. If none of this does you should proceed raising a TAC SR.
We had enabled CPA recording to check for the audio content and based on what the CPA does the analysis and sends a PVD or AM detect message. Most of the recorded files just had a "Hello". Does this mean that for greetings with just "hello" the CPA sends a Positive VOice detection.
Also, another interesting thing is that majority of the calls with AMD leakage and Dead air happen only during 9 - 11 am (EST).
Cisco IPCC (ipcc v7.2 SR4)
Cisco CVP (3.1 SR2 ES7)
Cisco Callmanager (4.2(3) es21)
Content Switches sg0750103 (07.50.1.03)
Cisco IOS gateways 12.4(7c)
Cisco IOS Gatekeepers Experimental Version 12.4(20061004:182434) [ivarghis-V124_3E_AAA_GK 108]
Also, Wht traces should i be looking at for Missing MTP?
We are running a Progressive IVR based campaign, however there is a slight difference, we do a Queue to skill and then t.route to the CVP.
Most of the CPA recordings that we see on the Dialer are silent. And we can see that these calls are leaking through the dialer to the Agent.
We have also applied the Fix for the Bug: Lowenergy or No Voice on Call, still we can see calls with Absolute Silence leaking through.
There are 2 problems now,
1. Calls with dead air at the CPA
2. These dead air calls leaking from CPA
For the first issue, you mentioned that there can be missing MTP's. We are using g711 end to end, would MTP's be used in the first place? Unless the call was queued at the CVP. However we can see the CPA recordings ar Silent before it even hits the Agent or is held in the queue.
IntroductionCUCM Routing RulesDial String implementation PolicyCUCM Routing LogicSIP URI Call Routing Analysis+++ Case Study: 1 ++++++ Case Study: 2 +++Conclusion
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