404 route not found
Hello Guys ,
i have a 404 no route found from the SBC for the invite below come from a PBX do you know if there is a mistake/lack/error on this INVITE and how i can fix it on the SBC level (HMR...)?
INVITE sip:+xxxxxxxxxx@yy.yy.yy.yy:5060 SIP/2.0
To: <sip:+xxxxxxxxxx@yy.yy.yy.yy>
From: "" <sip:+xxxxxxxxxx@yy.yy.yy.yy>;tag=O7U4ykA
Via: SIP/2.0/UDP zz.zz.zz.zz;branch=z9hG4bKyf7nzrE7x5cl64tjv5l6
Call-ID: b174d0a02b058b5c6a2fe520713ef72e@zz.zz.zz.zz