Hi Zuniga, Guillermo The below abstract clearly states that CONTACT header *MUST* contain a valid URI.
RFC 3261 >>> That is, the Contact header field value contains the URI at which the UA would like to receive requests, and this URI MUST be valid even if used in subsequent requests outside of any dialogs. <<< Hope that could help you Thanks & Regards Arun A. Tagare On Sat, Mar 3, 2018 at 7:33 PM, Dale R. Worley <wor...@ariadne.com> wrote: > Zuniga, Guillermo <guillermo.zun...@cwpanama.com> writes: > > I Access enviroment not PEER to PEER connection, CONTACT could be > > anonymous or always should be any valid uri-user? > > The Contact always has to be a valid URI. However, that URI does not > have to be the AOR (address-of-record) of a customer; it just has to be > able to reach the UA (when used by the next proxy in the signaling > path). > > Dale > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@lists.cs.columbia.edu > https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors > -- With Regards Arun A. Tagare +91 9449 029729 _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
