This resource unblocks the previously blocked SIP channel.
https://134.56.227.163/rest/sipsg/{identifier}/sipchannel/{identifier}?action=unblock
POST
true
curl --cookie PHPSESSID=0d3vv5ol5f9ejd1uhcrnbosprert 1kCAcert.pem --data -i https://134.56.227.163/rest/sipsg/1/sipchannel/1?action=unblock
<?xml version="1.0"?> <root> <status> <http_code>200</http_code> </status> </root>