MySQL for DB storage
Run kamdbctl create to make the kamailio db schema database kamilio
+---------------------+
| Tables_in_kamailio |
+---------------------+
| acc |
| acc_cdrs |
| active_watchers |
| address |
| aliases |
| carrier_name |
| carrierfailureroute |
| carrierroute |
| cpl |
| dbaliases |
| dialog |
| dialog_vars |
| dialplan |
| dispatcher |
| domain |
| domain_attrs |
| domain_name |
| domainpolicy |
| dr_gateways |
| dr_groups |
| dr_gw_lists |
| dr_rules |
| globalblacklist |
| grp |
| htable |
| imc_members |
| imc_rooms |
| lcr_gw |
| lcr_rule |
| lcr_rule_target |
| location |
| location_attrs |
| missed_calls |
| mohqcalls |
| mohqueues |
| mtree |
| mtrees |
| pdt |
| pl_pipes |
| presentity |
| pua |
| purplemap |
| re_grp |
| rls_presentity |
| rls_watchers |
| rtpengine |
| rtpproxy |
| sca_subscriptions |
| silo |
| sip_trace |
| speed_dial |
| subscriber |
| topos_d |
| topos_t |
| trusted |
| uacreg |
| uid_credentials |
| uid_domain |
| uid_domain_attrs |
| uid_global_attrs |
| uid_uri |
| uid_uri_attrs |
| uid_user_attrs |
| uri |
| userblacklist |
| usr_preferences |
| version |
| watchers |
| xcap |
+---------------------+
Add domain
>kamctl domain add x.x.x.x
INFO: execute '/usr/local/sbin/kamctl domain reload' to synchronize cache and database
show domains
>kamctl domain showdb
+----+---------------+------+---------------------+
| id | domain | did | last_modified |
+----+---------------+------+---------------------+
| 1 | x.x.x.x | NULL | 2019-07-16 05:01:16 |
+----+---------------+------+---------------------+
Storing users in location
+---------------+------------------+------+-----+---------------------+----------------+
| Field | Type | Null | Key | Default | Extra |
+---------------+------------------+------+-----+---------------------+----------------+
| id | int(10) unsigned | NO | PRI | NULL | auto_increment |
| ruid | varchar(64) | NO | UNI | | |
| username | varchar(64) | NO | MUL | | |
| domain | varchar(64) | YES | | NULL | |
| contact | varchar(512) | NO | | | |
| received | varchar(128) | YES | | NULL | |
| path | varchar(512) | YES | | NULL | |
| expires | datetime | NO | MUL | 2030-05-28 21:32:15 | |
| q | float(10,2) | NO | | 1.00 | |
| callid | varchar(255) | NO | | Default-Call-ID | |
| cseq | int(11) | NO | | 1 | |
| last_modified | datetime | NO | | 2000-01-01 00:00:01 | |
| flags | int(11) | NO | | 0 | |
| cflags | int(11) | NO | | 0 | |
| user_agent | varchar(255) | NO | | | |
| socket | varchar(64) | YES | | NULL | |
| methods | int(11) | YES | | NULL | |
| instance | varchar(255) | YES | | NULL | |
| reg_id | int(11) | NO | | 0 | |
| server_id | int(11) | NO | MUL | 0 | |
| connection_id | int(11) | NO | | 0 | |
| keepalive | int(11) | NO | | 0 | |
| partition | int(11) | NO | | 0 | |
+---------------+------------------+------+-----+---------------------+----------------+
after Register location is stored in DB as example location stored for two users kate and altanai
select * from location;
+----+---------------------+----------+--------+---------------------------------------------------------------------------+--------------------------+------+---------------------+-------+--------------------------------------------------+------+---------------------+-------+--------+----------------------------------+------------------------+---------+----------+--------+-----------+---------------+-----------+-----------+
| id | ruid | username | domain | contact | received | path | expires | q | callid | cseq | last_modified | flags | cflags | user_agent | socket | methods | instance | reg_id | server_id | connection_id | keepalive | partition |
+----+---------------------+----------+--------+---------------------------------------------------------------------------+--------------------------+------+---------------------+-------+--------------------------------------------------+------+---------------------+-------+--------+----------------------------------+------------------------+---------+----------+--------+-----------+---------------+-----------+-----------+
| 2 | uloc-5d2d72f6-f31-2 | kate | NULL | sip:kate@local_addr:55093;rinstance=b40d1fb00be9a19c | sip:local_addr:55093 | NULL | 2019-07-16 07:52:25 | -1.00 | 97576MmQyMWQ2ZGM3Njk2MmYxNzQ4NDAwNmYwZjJiOTg2Y2I | 5 | 2019-07-16 06:52:25 | 0 | 64 | X-Lite release 5.5.0 stamp 97576 | udp:rgistrar_addr:5060 | 4831 | NULL | 0 | 0 | -1 | 1 | 27 |
| 3 | uloc-5d2d72f6-f35-3 | altanai | NULL | sip:altanai@local_addr:22053;transport=udp;rinstance=c3c9050a6dd1efba | sip:local_addr:22053 | NULL | 2019-07-16 07:52:48 | -1.00 | ZGI3NjlkYjkwYjRkZjdhMGQwOTc5Yjk2Yzg4ZTg5ZmE | 3 | 2019-07-16 06:52:48 | 0 | 64 | Bria 3 release 3.5.5 stamp 71243 | udp:rgistrar_addr:5060 | 5087 | NULL | 0 | 0 | -1 | 1 | 28 |
+----+---------------------+----------+--------+---------------------------------------------------------------------------+--------------------------+------+---------------------+-------+--------------------------------------------------+------+---------------------+-------+--------+----------------------------------+------------------------+---------+----------+--------+-----------+---------------+-----------+-----------+
Storing dialoges in DB
+------------------+------------------+------+-----+---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+------------------+------------------+------+-----+---------+----------------+
| id | int(10) unsigned | NO | PRI | NULL | auto_increment |
| hash_entry | int(10) unsigned | NO | MUL | NULL | |
| hash_id | int(10) unsigned | NO | | NULL | |
| callid | varchar(255) | NO | | NULL | |
| from_uri | varchar(128) | NO | | NULL | |
| from_tag | varchar(64) | NO | | NULL | |
| to_uri | varchar(128) | NO | | NULL | |
| to_tag | varchar(64) | NO | | NULL | |
| caller_cseq | varchar(20) | NO | | NULL | |
| callee_cseq | varchar(20) | NO | | NULL | |
| caller_route_set | varchar(512) | YES | | NULL | |
| callee_route_set | varchar(512) | YES | | NULL | |
| caller_contact | varchar(128) | NO | | NULL | |
| callee_contact | varchar(128) | NO | | NULL | |
| caller_sock | varchar(64) | NO | | NULL | |
| callee_sock | varchar(64) | NO | | NULL | |
| state | int(10) unsigned | NO | | NULL | |
| start_time | int(10) unsigned | NO | | NULL | |
| timeout | int(10) unsigned | NO | | 0 | |
| sflags | int(10) unsigned | NO | | 0 | |
| iflags | int(10) unsigned | NO | | 0 | |
| toroute_name | varchar(32) | YES | | NULL | |
| req_uri | varchar(128) | NO | | NULL | |
| xdata | varchar(512) | YES | | NULL | |
+------------------+------------------+------+-----+---------+----------------+
table dialog_vars
+--------------+------------------+------+-----+---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+--------------+------------------+------+-----+---------+----------------+
| id | int(10) unsigned | NO | PRI | NULL | auto_increment |
| hash_entry | int(10) unsigned | NO | MUL | NULL | |
| hash_id | int(10) unsigned | NO | | NULL | |
| dialog_key | varchar(128) | NO | | NULL | |
| dialog_value | varchar(512) | NO | | NULL | |
+--------------+------------------+------+-----+---------+----------------+sele
Dialog
select * from dialog;
+----+------------+---------+--------------------------------------------------+------------------------+----------+---------------------------+----------+-------------+-------------+------------------+------------------+-----------------------------------------------------------------------------------+-----------------------------------------------------------+------------------------+------------------------+-------+------------+------------+--------+--------+--------------+-------------------------------------------------------------------------+-------+
| id | hash_entry | hash_id | callid | from_uri | from_tag | to_uri | to_tag | caller_cseq | callee_cseq | caller_route_set | callee_route_set | caller_contact | callee_contact | caller_sock | callee_sock | state | start_time | timeout | sflags | iflags | toroute_name | req_uri | xdata |
+----+------------+---------+--------------------------------------------------+------------------------+----------+---------------------------+----------+-------------+-------------+------------------+------------------+-----------------------------------------------------------------------------------+-----------------------------------------------------------+------------------------+------------------------+-------+------------+------------+--------+--------+--------------+-------------------------------------------------------------------------+-------+
| 1 | 2532 | 3569 | 97576M2U1N2VmNGYxM2U2YjAxOWRlNmEwNTU2NTdhZWU0MmI | sip:kate@registrar_addr | eeaa9e39 | sip:altanai@registrar_addr | b3f93416 | 1 | 0 | NULL | NULL | sip:kate@local_addr:25797;rinstance=4343a1eb7a321c75;alias=local_addr~25797~1 | sip:altanai@local_addr:35570;alias=local_addr~35570~1 | udp:rgistrar_addr:5060 | udp:rgistrar_addr:5060 | 4 | 1563268176 | 1563311376 | 0 | 0 | NULL | sip:altanai@local_addr:35570;transport=udp;rinstance=1a0e6707dc2a6a25 | NULL |
+----+------------+---------+--------------------------------------------------+------------------------+----------+---------------------------+----------+-------------+-------------+------------------+------------------+-----------------------------------------------------------------------------------+-----------------------------------------------------------+------------------------+------------------------+-------+------------+------------+--------+--------+--------------+-------------------------------------------------------------------------+-------+
Debug
Issue 1 : call responds with 488 Not Acceptable Here. Check if the codecs are matched and whther RTP proxy is connected . In route[NATMANAGE] check for logs like
ERROR: rtpproxy [rtpproxy.c:1478]: send_rtpp_command(): can't send command to a RTP proxy
{1 1 INVITE 97576ZGM1ZjU5MmQ3ZDhmMTA4MzU5NDZjN2Q2N2U2MmIwNTE} 8(3896) ERROR: rtpproxy [rtpproxy.c:1513]: send_rtpp_command(): proxy <udp:127.0.0.1:7722> does not respond, disable it
{1 1 INVITE 97576ZGM1ZjU5MmQ3ZDhmMTA4MzU5NDZjN2Q2N2U2MmIwNTE} 8(3896) WARNING: rtpproxy [rtpproxy.c:1370]: rtpp_test(): can't get version of the RTP proxy
{1 1 INVITE 97576ZGM1ZjU5MmQ3ZDhmMTA4MzU5NDZjN2Q2N2U2MmIwNTE} 8(3896) WARNING: rtpproxy [rtpproxy.c:1406]: rtpp_test(): support for RTP proxy <udp:127.0.0.1:7722> has been disabled temporarily
{1 1 INVITE 97576ZGM1ZjU5MmQ3ZDhmMTA4MzU5NDZjN2Q2N2U2MmIwNTE} 8(3896) ERROR: rtpproxy [rtpproxy.c:2498]: force_rtp_proxy(): no available proxies
solution : inspect rtpproxy runing and reconnect it