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[FAQ] BToE Firewall ports

Polycom Employee & Community Manager

[FAQ] BToE Firewall ports

A quick overview of the ports used with BToE application and the direction they require to be open



Port Number Type Description Direction
24802 UDP For audio streaming. Phone => PC
6000 TCP For SSH client connection (plink.exe). Used inside computer. (BToE application to Plink.exe)   
Dynamic TCP Plink.exe uses a dynamic port for connecting to VVX. Phone <=> PC
22 (On VVX) TCP VVX Uses this port to get connected with computer Phone <=> PC
    application. (Secure connection)  
2081 UDP Discovery packet broadcast is done on this port by VVX. Phone => PC
24801 TCP VVX and computer App will communicate each other using this port (non-secure connection) Phone <=> PC
24804 TCP VVX and the computer application will communicate with each other using this port (secure connection). This port is used by VVX Business Media Phones when in Manual Pairing Mode . BToE 3.7.0 or later Phone <=> PC


Use bottom scroll option to show more details ======>


The dynamic port range is described => here <=


For more details please check the current BToE Release notes


BToE Discovery:


BToE Discovery is send from the Phone to the BToE App to discover the Phone.



udp.port == 2081


If you are unable to see the above a Firewall on the PC is blocking the BToE Discovery


If you can see the above but BToE is still not offer to pair and prompt the user to enter their credentials on the Skype for Business client then a local policy or as an example, Symantec Endpoint Protection blocks the communication.

<======== Signature / Disclaimer ========>
Please be aware:For questions about the type of support to expect please check here

Please also ensure you always check the VoIP , Video Endpoint , Skype for Business , PSTN or RPM FAQ's

Please remember, if you see a post that helped you , and it answers your question, please mark it as an "Accept as Solution".

The title Polycom Employee & Community Manager is an automatic setting within the community and any forum reply or post is based upon my personal experience and does not reflect the opinion or view of my employer.
Poly employee participation within this community is not mandatory and any post or FAQ article provided by myself is done either during my working hours or outside working hours, in my private time, and maybe answered on weekends, bank holidays or personal holidays.
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