If kamailio is under your control, you can change contact back and forth from it (eg, before forwarding to freeswitch)

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cell: +39 347 266 56 18
Giovanni Maruzzelli
OpenTelecom.IT

On May 13, 2017 5:01 PM, "David Villasmil" <david.villasmil.work@gmail.com> wrote:
Hello guys.

I've got this setup, where the client is sending as contact "sip:" coming from kamailio proxy in tls ip until kamailio. Kamailio forwards to FS in tcp, but freeswitch is answering with "sip:" and this breaks the client who answers "SIPS Required"... 

Is there a way of specifying the contact should be sips ?

Has anyone encountered this and solved it?

Regards,

David Villasmil
ᐧ

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