I am having an issue that I wanted to put out there to see if anyone in the community has experienced something similar and may know the answer.
I am making an outbound call from our internal infrastructure via a Cisco CUBE to a provider. The trunk is a Registration based trunk so we receive a challenge from our INVITE for SIP Digest authentication (and go through all the normal steps) but it eventually bombs with a 487 Request terminated from the provider.
Based on the attached screenshot from translator-X (in my estimations) the called endpoint (provider side) should be responding after the 100 TRYING with a 180 RINGING but is not. The provider however says that the timeout is due to too long inactivity due to us not sending them a response - but cannot tell us what response they are expecting.
