Res_pjsip.c:4261 endpt_send_request: Error 171060 'Unsupported transport (PJSIP_EUNSUPTRANSPORT)'

@Wanderer wrote:

What does the message in the subject line mean? I tried to change some extensions from SIP to PJSIP but as soon as I apply the changes, on all PJSIP extensions I get these types of errors:

[2019-11-12 05:05:18] ERROR[3957]: res_pjsip.c:4261 endpt_send_request: Error 171060 ‘Unsupported transport (PJSIP_EUNSUPTRANSPORT)’ sending NOTIFY request to endpoint 1100
[2019-11-12 05:05:18] ERROR[1200]: res_pjsip.c:4261 endpt_send_request: Error 171060 ‘Unsupported transport (PJSIP_EUNSUPTRANSPORT)’ sending NOTIFY request to endpoint 1102
[2019-11-12 05:05:18] ERROR[1201]: res_pjsip.c:4261 endpt_send_request: Error 171060 ‘Unsupported transport (PJSIP_EUNSUPTRANSPORT)’ sending NOTIFY request to endpoint 1104
[2019-11-12 05:05:18] ERROR[3958]: res_pjsip.c:4261 endpt_send_request: Error 171060 ‘Unsupported transport (PJSIP_EUNSUPTRANSPORT)’ sending NOTIFY request to endpoint 1103

When this happens those extensions become unavailable until Asterisk is restarted. What does this message mean, and is there some way to stop whatever is causing it? Changing the extensions back to CHAN_SIP fixes the problem, but then I’m not using PJSIP.

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