RPRM 10.1 or later and Polycom VVX Business Media Phones or Polycom Trio Heartbeat issue

Utilizing Polycom VVX Business Media Phones or Polycom Trio may show a Heartbeat issue when monitoring these phones via the Endpoint > Monitor View The Status may report the unit with a heartbeat issue:

This can actually have 5 different reasons. Possible Reason 1: A firewall is blocking the Telephony Event Notification message send from the phone to the RPRM or the Phone State Polling from the RPRM to the Phone. Non working example: Working example: Solution would be to check the firewall between the Phone and the RPRPM. Possible Reason 2: Weak Encryption setup on the RPRM end. Set the Encryption level on the RPRM end to Standard Ciphers via Admin > Management and Security > TLS Settings > Cipher Mode > Standard Cipher Possible Reason 3: Wrong Username or Password on the Phone end. Please ensure that the apps.statePolling.username or apps.statePolling.password on the phone end Settings > Applications > Phone State Polling has not changed from test.