[SR-Users] issue with rewrite to domain in failure route

[Yuriy Gorlichenko]

Hi
I'm building some system with failover trunk
but my providers requires to set their doamin in domain part of To Header

so when I rewrite it at the my failure_route

$td = FAILOVER_PROVIDER
my To filed looks like
To: <sip: 123 at my.failover.providermy.main.provider>
what i tried:
Move this change to BRANCH_ROUTE:
here tried as
$td =  as
uac_replace_to('',"newToFieldValue)

Move to the my custom route with both variants
But result is the same
kamailio 5.1

version: kamailio 5.1.5 (x86_64/linux) d06080
flags: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS,
DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC,
Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX,
FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR,
USE_DST_BLACKLIST, HAVE_RESOLV_RES
ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144 MAX_URI_SIZE 1024,
BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB
poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
id: d06080
compiled on 00:43:08 Aug 23 2018 with gcc 6.3.0
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