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[FAQ] Since upgrading to UCS 5.1.1 BToE is no longer active or working

Polycom Employee & Community Manager

[FAQ] Since upgrading to UCS 5.1.1 BToE is no longer active or working

UCS 5.1.1 introduced new features and functionality and as part of this BToE is no longer active when the phone is in LYNC base profile mode.




In order to activateor deactivate BToe manually on the phone please follow these steps:


  • Press Menu Key

  • Select Settings

  • Select Feature

  • Select BToe

  • Enable or Disable BToE

Option 2:


Simply provision the feature from the provisioning server or import via the Web Interface if active (check => here <=).


<btoe feature.btoe.enabled="1" />


BToE 3.0.0 or later:



BToE 3.0.0 in addition added more security and new ports. Please ensure that the PC firewall allows these ports




  • UDP 2081 Phone => PC
  • TCP 24801 Phone <=> PC
  • SSH 22 Phone <=> PC
  • UDP 24802 Phone <=> PC
  • PCB.Exe and PLINK.exe TCP Port 6000

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