How does a BT110 device handle ‘SIP 403’ messages from the proxy/server during registration?
Upon receiving a ‘SIP 403’ response from the proxy server after making a SIP registration attempt, the BT110 device will stop further registration attempts. However, the BT110 device will make a new registration attempt under the following conditions Note 1:
- One or more SIP parameters or SIP credentials is/are changed.
- The BT110 device is power cycled.
- The user attempts to make a call by pressing the (red) Phone LED/button or picking up the FXS port analog phone.
Note 1: The description given in this article applies to BT110 software version v188.8.131.52 and above.