VBP 5300E act as embedded gatekeeper, WAN leg is directly connected to a Public IP and LAN leg is connected to the LAN Segment where one real presence capture server and one group series 500 are registered with VBP 5300E.
In this infrastructure, I unable to the call the real presence capture server from Group series 500 to start the recording and playback feature by using below dial string
[Real Presence Capture server E.164 prefix] [VRR number]
Note:Inbound call from internet and outbound call from inside to internet has been successfully tested.
Waiting for solution
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POLYCOM Real presence Capture Server (Version: 1.8)
POLYCOM VBP 5300LF E10 (Version 11.2.23)
Group Series Version: 4.3.1