@miconda about the first registration...
the `continue` executes in pid `6518` and it never calls `xavp_reset_list()` registrar:build_contact (reply.c) is executed in this pid
``` 2(6487) INFO: <script>: 79956NjgwZTVmOTQ5Zjc0MjcxMTVjYjNlOTMxNGI5NDkwYjk|start|received udp request REGISTER sip:teste.sip.90e9.com 2(6487) INFO: <script>: 79956NjgwZTVmOTQ5Zjc0MjcxMTVjYjNlOTMxNGI5NDkwYjk|log|source 192.168.16.12:50133 -> 192.168.16.125:8000 2(6487) INFO: <script>: 79956NjgwZTVmOTQ5Zjc0MjcxMTVjYjNlOTMxNGI5NDkwYjk|log|from sip:user_7z7b6s@teste.sip.90e9.com 2(6487) INFO: <script>: 79956NjgwZTVmOTQ5Zjc0MjcxMTVjYjNlOTMxNGI5NDkwYjk|log|to sip:user_7z7b6s@teste.sip.90e9.com 2(6487) INFO: <script>: 79956NjgwZTVmOTQ5Zjc0MjcxMTVjYjNlOTMxNGI5NDkwYjk|log|originated from external sources 2(6487) INFO: <script>: 79956NjgwZTVmOTQ5Zjc0MjcxMTVjYjNlOTMxNGI5NDkwYjk|log|correcting NATed contact in registration 2(6487) INFO: <core> [core/xavp.c:461]: xavp_reset_list(): RESET XAVP 32(6517) INFO: <script>: 79956NjgwZTVmOTQ5Zjc0MjcxMTVjYjNlOTMxNGI5NDkwYjk|log|authenticating user_7z7b6s@teste.sip.90e9.com via Kazoo query response 32(6517) INFO: <script>: 79956NjgwZTVmOTQ5Zjc0MjcxMTVjYjNlOTMxNGI5NDkwYjk|end|issued auth challenge to failed registration attempt for user_7z7b6s@teste.sip.90e9.com 192.168.16.12:50133 3(6488) INFO: <script>: 79956NjgwZTVmOTQ5Zjc0MjcxMTVjYjNlOTMxNGI5NDkwYjk|start|received udp request REGISTER sip:teste.sip.90e9.com 3(6488) INFO: <script>: 79956NjgwZTVmOTQ5Zjc0MjcxMTVjYjNlOTMxNGI5NDkwYjk|log|source 192.168.16.12:50133 -> 192.168.16.125:8000 3(6488) INFO: <script>: 79956NjgwZTVmOTQ5Zjc0MjcxMTVjYjNlOTMxNGI5NDkwYjk|log|from sip:user_7z7b6s@teste.sip.90e9.com 3(6488) INFO: <script>: 79956NjgwZTVmOTQ5Zjc0MjcxMTVjYjNlOTMxNGI5NDkwYjk|log|to sip:user_7z7b6s@teste.sip.90e9.com 3(6488) INFO: <script>: 79956NjgwZTVmOTQ5Zjc0MjcxMTVjYjNlOTMxNGI5NDkwYjk|log|originated from external sources 3(6488) INFO: <script>: 79956NjgwZTVmOTQ5Zjc0MjcxMTVjYjNlOTMxNGI5NDkwYjk|log|correcting NATed contact in registration 3(6488) INFO: <core> [core/xavp.c:461]: xavp_reset_list(): RESET XAVP 33(6518) INFO: <script>: 79956NjgwZTVmOTQ5Zjc0MjcxMTVjYjNlOTMxNGI5NDkwYjk|log|authenticating user_7z7b6s@teste.sip.90e9.com via Kazoo query response 33(6518) INFO: <script>: 79956NjgwZTVmOTQ5Zjc0MjcxMTVjYjNlOTMxNGI5NDkwYjk|log|caching sip credentials for user_7z7b6s@teste.sip.90e9.com 33(6518) INFO: <script>: 79956NjgwZTVmOTQ5Zjc0MjcxMTVjYjNlOTMxNGI5NDkwYjk|end|successful registered with contact uloc-5919b147-941-1 : sip:user_7z7b6s@192.168.16.12:50133;rinstance=f24eba8fb96940a0;+sip.instance="urn:uuid:50e56137-edf1-5c8c-99ab-f5ebf869e00f";reg-id=1 6(6491) INFO: <core> [core/xavp.c:461]: xavp_reset_list(): RESET XAVP 6(6491) INFO: <core> [core/xavp.c:461]: xavp_reset_list(): RESET XAVP 8(6493) INFO: <core> [core/xavp.c:461]: xavp_reset_list(): RESET XAVP 8(6493) INFO: <core> [core/xavp.c:461]: xavp_reset_list(): RESET XAVP ```