I have a problem with some Polycom model IP330 devices configured with an extension that does not authenticate with the freepbx 16 exchange and presenting a message “Endpoint ‘anonymous’ state subscription failed:” Please, can someone help me.
Whilst it is probably going to be difficult to support a FreePBX user, I think the error message is actually from chan_pjsip, but the OP has not copied it completely and literally. I think it is a secondary error resulting from the failure to register, so can be ignored in terms of diagnosing the failure.
Hi, just try by adding user name onto server address setting.
user_name@server_address
(Polycom field help message)
Enter a line identification address that the phone uses to register with the server. The address may include a user name, the host of the phone’s SIP URI, or the H.323 ID/extension. For example, if the phone’s line is 1002@polycom.com, enter 1002 as the SIP where polycom.com is the server. Or, you can enter 1002@polycom.com. Any address entered will be displayed as the phone’s line if the display name and label are not specified.