6 Sep
2020
6 Sep
'20
1:35 p.m.
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### Description
<!--
Explain what you did, what you expected to happen, and what actually happened.
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I'd like to reduce the number of contacts per AOR for certain UAs, while maintaining a
default higher limit.
```
modparam("registrar", "max_contacts", 10)
modparam("registrar", "xavp_cfg", "reg")
route[REGISTRAR] {
if($ua=~"^Yealink") {
$xavp(reg=>max_contacts)=1;
}
if(!save("location")) {
sl_reply_error();
}
exit;
}
```
### Expected behavior
https://www.kamailio.org/docs/modules/stable/modules/registrar#registrar.p.…
states:
* max_contacts - the number of maximum contacts to be stored for the current registration
AoR. It **overwrites** the 'max_contacts' module parameter value.
I expect that the UA will register with the new contact and have all others removed.
#### Actual observed behavior
`$xavp(reg=>max_contacts)` set to a value lower than the `max_contacts` modparam does
not achieve the **overwrites** expectation from the documentation.
#### Log Messages
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next, or attach to issue, or provide a link to download them (e.g., to a pastebin site).
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```
INFO: registrar [save.c:619]: test_max_contacts(): too many contacts for AOR
<user(a)example.com>
```
### Additional Information
* **Kamailio Version** - output of `kamailio -v`
```
version: kamailio 5.4.1-1.gite1d4ddcb6c.fc32 (x86_64/linux) 09fd6a
flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST,
DNS_IP_HACK, 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, 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: 09fd6a
compiled on 00:00:00 Sep 5 2020 with gcc 10.2.1
```
* **Operating System**:
<!--
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CentOS 7.1, ...), MacOS, xBSD, Solaris, ...;
Kernel details (output of `uname -a`)
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```
Fedora 32, kernel-5.8.4-200.fc32.x86_64
```
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