BToE Discovery is send from 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.
Example BToE Logs:
[11/02/17 : 12:07:20] PBC: Waiting for IP-Phone Connection(on UDP)..... [11/02/17 : 12:07:22] PBC: Received packet from 10.252.149.64(len 12) [11/02/17 : 12:07:22] PBC: Received packet from 0Xafc9540 [11/02/17 : 12:07:22] PBC: VVX MAC ID 05:06:00:03:06:E6 [11/02/17 : 12:07:22] PBC: Received VVX Version from IPP is 5.6.0 [11/02/17 : 12:07:22] PBC: Using newXmlFormat [11/02/17 : 12:07:22] PBC: Received paircode is 0, entered paircode is 0 [11/02/17 : 12:07:22] PBC: Posting WM_DESTROY to all open Dlgs [11/02/17 : 12:07:22] PBC: Creating an SSH tunnel (process id: 684) [11/02/17 : 12:07:22] PBC: Started the TCP Connection.... [11/02/17 : 12:07:23] PBC ERR: btoe_network.c: 278 (start_assoc_client) TCP connect failed with error 10061 [11/02/17 : 12:07:23] PBC ERR: ssh_tunnel.c: 219 (checkSSH_get_pc_ip_address) No Routable entry found to VVX. Reconfiguring the SSH [11/02/17 : 12:07:23] PBC ERR: btoe_network.c:2116 (discovery_server) discovery_server:2116 Error 10057 [11/02/17 : 12:07:23] PBC ERR: btoe_network.c:2128 (discovery_server) discovery_server:2128 Error 10038 [11/02/17 : 12:07:23] PBC: Successfully terminated the SSH client process [11/02/17 : 12:07:23] PBC: discovery_server: 2180 GRUU_SEND_STATUS NOT_SENT [11/02/17 : 12:07:23] PBC: discovery thread exit ..... [11/02/17 : 12:07:23] PBC: Terminating discovery thread
Checking this on the Phone via Menu => Settings > Features > BToE PC Pairing:
PC BToE Application Log Levels:
The BToE application has many additional features documented in the BToE Release notes which allow a user to enable or disable a functionality or enable logging
Open the Windows Registry Editor:
As an Example:
|NOTIFY_MSG_EN||0 or 1||1||Enable or disable notifications on the system tray.|
Change Logging Levels:
The Btoe log file is located in its installation folder:
And the Filename: polycom_BToE_log.txt
Please change the “LogLevel” registry value to 4 (debug) or 5 (Verbose Debug).
|3||LOG_LEVEL||Log level (0 – 5)||0 – Any|
|1 – Err|
|2 – WRN|
|3 – Info|
|4 – DBG|
|5 – VDBG|
Start BToE application after this and provide the logs of this.
Top copy the Logs to the PC's Desktop:
copy "%localappdata%\Polycom\Polycom BToE Connector\polycom_BToE_log.txt" "%userprofile%\Desktop\%DATE:/=-%@%TIME::=-%-%username%-polycom_BToE_log.txt"
Phone BToE logging:
0730172942|btoe |3|00|ppsProcMsgStopThreads:1864 m_nBtoeState soBtoeMgrStopped 0730172942|btoe |4|00|stopCall ppsBtoe.hSoCall handle is NULL 0730172942|btoe |2|00|stopCall Send End Call Request to LC and assign hsoCall handle to NULL 0730172942|btoe |2|00|PpsBtoeC::handleBtoeStartStopPairing(): m_bEnabled , m_ePairingMode: (1-Auto, 2-Manual), bPCPortUP  0730172942|btoe |2|00|Start Pairing (Auto Mode) 0730172942|btoe |2|00|startPairing(2117) 0730172942|btoe |2|00|PC port status is UP. Start BToE manager 0730172942|btoe |2|00|Starting the ssh sever 0730172942|btoe |3|00|m_nBtoeState soBtoeMgrDiscovery 0730172942|btoe |2|00|cBToEAssociation Launched processReceivedRequest 0730172942|btoe |2|00|cBToEAssociation Launched StartAssociationTask 0730172942|btoe |3|00|cBtoeAssociation Waiting for connection from PBC