<blockquote>
<p>Ok, interesting. What kind of DB do you use, maybe it is something about the NULL support inside the DB.</p>
</blockquote>
<p>I tried mariadb and sqlite, tried both with empty socket field and with some data inside. I can try postgre as well.</p>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br />You are receiving this because you are subscribed to this thread.<br />Reply to this email directly, <a href="https://github.com/kamailio/kamailio/issues/2076?email_source=notifications&email_token=ABO7UZLWAGHFUY3SUNDGVHLQLYUHDA5CNFSM4I2WL3Z2YY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOD7ZKZFQ#issuecomment-535997590">view it on GitHub</a>, or <a href="https://github.com/notifications/unsubscribe-auth/ABO7UZIKBOXEHLD5MPWYRZ3QLYUHDANCNFSM4I2WL3ZQ">mute the thread</a>.<img src="https://github.com/notifications/beacon/ABO7UZNXKG27QOLWUDY7BWDQLYUHDA5CNFSM4I2WL3Z2YY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOD7ZKZFQ.gif" height="1" width="1" alt="" /></p>
<script type="application/ld+json">[
{
"@context": "http://schema.org",
"@type": "EmailMessage",
"potentialAction": {
"@type": "ViewAction",
"target": "https://github.com/kamailio/kamailio/issues/2076?email_source=notifications\u0026email_token=ABO7UZLWAGHFUY3SUNDGVHLQLYUHDA5CNFSM4I2WL3Z2YY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOD7ZKZFQ#issuecomment-535997590",
"url": "https://github.com/kamailio/kamailio/issues/2076?email_source=notifications\u0026email_token=ABO7UZLWAGHFUY3SUNDGVHLQLYUHDA5CNFSM4I2WL3Z2YY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOD7ZKZFQ#issuecomment-535997590",
"name": "View Issue"
},
"description": "View this Issue on GitHub",
"publisher": {
"@type": "Organization",
"name": "GitHub",
"url": "https://github.com"
}
}
]</script>