Click Edit , and update the scripts as follows:
ADDITIONAL INFORMATION: within session "ALL"
{
act on request where %DIRECTION="OUTBOUND" and %ENTRY_POINT="POST_ROUTING"
{
remove(%HEADERS["Request_Line"][1].PARAMS["gsid"]);
remove(%HEADERS["Request_Line"][1].PARAMS["asm"]);
%FROMTAG = %HEADERS["From"][1].PARAMS["tag"];
%HEADERS["From"][1].PARAMS["tag"].regex_replace("_local.*", "");
%HEADERS["From"][1].PARAMS["av-ps-conf-tag-o"] = %FROMTAG;
%HEADERS["Contact"][1].URI.PARAMS["av-ps-conf-tag-o"] = %FROMTAG;
}
act on response where %DIRECTION="OUTBOUND" and %ENTRY_POINT="POST_ROUTING"
{
%TOTAG = %HEADERS["To"][1].PARAMS["tag"];
%HEADERS["To"][1].PARAMS["tag"].regex_replace("_local.*", "");
%HEADERS["Contact"][1].URI.PARAMS["av-ps-conf-tag-o"] = %TOTAG;
}
}