### Description
Kamailio receives call and changes originating number to anonymous using
uac_replace_from() with auto restore and password. Info is stored in vsf
parameter of Record-Route
Original From Uri is sip:123456789@1.1.1.1:5060
New From Uri is
"sip:[anonymous@anonymous.invalid](mailto:anonymous@anonymous.invalid)"
When originating IP sends an ACK after the 200 OK, it sends a different IP on
the From header
>From Uri received on the ACK sent to Kamailio : sip:123456789@2.2.2.2:5070
>From Uri sent by kamailio after restore :
>sip:[anonymous@bnlnzmlu4s.hnv2a](mailto:anonymous@bnlnzmlu4s.hnv2a)'_lid
The Uri sent by Kamailio is variable and it's not always the same.
#### Reproduction
I've annexed to this issue two call XMS (Outgoing and Incoming) that creates
this scenario.
Kamailio is configured to change the From URI to
sip:[anonymous@anonymous.invalid](mailto:anonymous@anonymous.invalid) with
uac_replace_from() with auto restore and password
In order to rule out problems in the rest of my code i've used the base
kamailio.cfg with minimum changes as possible and added this code right before
PSTN being called :
```
$var(New_From_uri) = "sip:anonymous@anonymous.invalid" ;
uac_replace_from("","$var(New_From_uri)");
```
I have the following configurations for uac :
```
loadmodule "uac.so"
modparam("uac","restore_mode","auto")
modparam("uac","restore_from_avp","$avp(vsf)")
modparam("uac","restore_to_avp","$avp(vst)")
modparam("uac","restore_passwd","password123")
modparam("rr", "append_fromtag", 1)
```
### Additional Information
```
version: kamailio 5.7.1 (x86_64/linux) 4238e4
flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE,
USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, MEM_JOIN_FREE, 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_BLOCKLIST, HAVE_RESOLV_RES,
TLS_PTHREAD_MUTEX_SHARED
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: 4238e4
compiled on 12:39:30 Jun 29 2023 with gcc 4.8.5
```
* **Operating System**:
CentOS7
Please let me know if i can be of any help on testing.
Cheers
[Originating_XML.txt](https://github.com/kamailio/kamailio/files/11914634/Originating_XML.txt)
[Terminating_XML.txt](https://github.com/kamailio/kamailio/files/11914635/Terminating_XML.txt)
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