I concluded that the URI in the route should be escaped automatically by `t_relay()`.
But t_relay / t_forward_nonack is not unescaping the transport and failing with : ``` 4(34) ERROR: tm [ut.h:245]: uri2dst2(): bad_uri: sip:247.25.169.51:52307%3Btransport%3Dtls 4(34) ERROR: tm [t_fwd.c:1728]: t_forward_nonack(): failure to add branches ```
``` OPTIONS sip:143146457@147.175.169.51:59843;transport=TCP;ob SIP/2.0. Max-Forwards: 20. Record-Route: sip:137.15.81.151;transport=tcp;r2=on;lr. Record-Route: sip:137.15.81.151;r2=on;lr. Via: SIP/2.0/TCP 137.15.81.151;branch=z9hG4bK8c0f.3cf10122ac1fcfef5235efdcf33063e6.0. Via: SIP/2.0/UDP 52.40.141.109:5060;branch=z9hG4bK6096674. Route: sip:137.15.81.151;lr;received=sip:147.175.169.51:59843%3Btransport%3Dtcp. From: sip:ping@invalid;tag=uloc-5e3e08d7-1c-fb94099-a8e0dba6-897d7be9. To: sip:143146457@147.175.169.51:59843;transport=TCP;ob. Call-ID: cb1d2386-8cf283b9-46be071@0.0.0.0. CSeq: 1 OPTIONS. Content-Length: 0. Max-Forward: 10. ```