<p>I worked around this issue (it's more a sql azure thing than kamailio) by creating a user on the dB and setting default language, db and schema on the login that was enough to get it to connect.</p>
<p>Be warned though using sql azure with either freetds or the ms Linux driver I experienced random hangs of kamailio related to odbc handling, was unable to find root cause and it seemed unique to sql azure as a local sql server instance worked without issue. My working theory was that the sql azure drops a connection to a node from its load balancer somewhere inside that black box but kamailio attempts to reuse that connection and hangs. Also due to how sql azure works I found query time to variable as well and based on dB size the number of open connections seems limiting. To overcome this I ended up writing a simple proxy Web API in. Net core which ran on local host And cached results to a local redis instance which gave consistent sub 10ms responses</p>
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