The field "SelectedQoS=best-effort" is a reference for RSVP. This means it not selected in this dial-peer. This is not an issue if you aren't using RSVP. Set your QoS value in the dial-peer according to the protocol. H323 is at the dial-peer level.
To validate, use SPAN, RSPAN or VACL capture with Ethereal or something to check before your next hop. Or anywhere else on the network. Additionally on older IP phones you can sniff off of the pc port without any configuration with a host with a packet sniffer. 7970s (and probably the newer phones) enable span to pc port to sniff and you can see the traffic at your endpoint.
As far as VAD, you are probably using the default dial-peer. Set an explicit inbound dial-peer and disable VAD. Here is the document explaining dial-peers.
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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 ...