ua: SIP register failed: Protocol not supported [93]

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Ali Burak Öncül

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Nov 25, 2022, 10:54:27 AM11/25/22

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I own a telephone switchboard. I am setting up a communication system on the local network with IP phones and Baresip. However, I encountered an error. The error message is as follows:

ua: SIP register failed: Protocol not supported [93]
account: failed to register ua 'sip:1...@192.168.1.201' (Protocol not supported [93])

I couldn't solve the problem. Thank you for your support.

Christian Spielberger

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Nov 28, 2022, 3:12:30 AM11/28/22

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Maybe it works with TCP. Try to add the uri parameter transport!
`<sip:1...@192.168.1.201;transport=tcp>;auth_pass=xxx`

See account documentation: https://github.com/baresip/baresip/wiki/Accounts#100rel

r,christian.

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