Hello I got the following errors when trying to register my SIP trunk. I use Vodafone Italy as provider. [2025-08-05 13:13:40] ERROR[4228] res_pjsip.c: Unable to create outbound OPTIONS request to endpoint +3908******** as URI 'sip:+3908********@ims.vodafone.it@ims.vodafone.it:5060' is not valid [2…

Possibly [image] Help with Vodafone Italy Trunk Issue Providers Hi to all I’m trying to configure a Vodafone Italy trunk with no lucky. here my configuration. [1] [2] [3] [4] My password is correct, copy and paste form my web account asterisk Configura…

Please post screenshots of your trunk pjsip settings, both General and Advanced tabs. Mask username and secret but leave other settings visible.

You have two @'s in the URI, but there can only be one, immediately before the domain name. From the article quoted, they don’t expect @… in the user part of the URI, but they may require it in the auth user name. Any @ in the user part of the URI would need to be escaped as %40, but it looks like …

Please check Username: +390882645179 Auth Username: +390882645179@ims.vodafone.it SIP Server: ims.vodafone.it Client URI: (leave blank) Server URI: (leave blank) Outbound Proxy: sip:voip1.fixed.vodafone.it\;lr\;hide

Error when registering SIP trunk

FreePBX Providers

Stewart1 (Stewart) August 5, 2025, 1:55pm 2

Possibly

will help.