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https://github.com/fusionpbx/fusionpbx.git
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Add memcache to call block
This commit is contained in:
Mark Crane
@@ -39,18 +39,26 @@ This method causes the script to get its manadatory arguments directly from the
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27 Sep, 2013: Changed the name of the fields to conform with the table name
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]]
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--set defaults
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expire = {}
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expire["call_block"] = "3600";
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source = "";
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-- Command line parameters
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local params = { cmd = "",
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cid_num = string.gsub(tostring(session:getVariable("caller_id_number")), "+", ""),
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cid_name = session:getVariable("caller_id_name"),
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domain = session:getVariable("domain"),
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userid = "", -- session:getVariable("id")
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loglevel = "W" -- Warning, Debug, Info
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}
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cid_num = string.gsub(tostring(session:getVariable("caller_id_number")), "+", ""),
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cid_name = session:getVariable("caller_id_name"),
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domain = session:getVariable("domain"),
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userid = "", -- session:getVariable("id")
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loglevel = "W" -- Warning, Debug, Info
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}
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-- local storage
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local sql = nil
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--define the functions
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dofile(scripts_dir.."/resources/functions/trim.lua");
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--define the logger function
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local function logger(level, log, data)
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-- output data to console 'log' if debug level is on
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@@ -59,19 +67,13 @@ This method causes the script to get its manadatory arguments directly from the
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end
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end
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--connect to the database
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dofile(scripts_dir.."/resources/functions/database_handle.lua");
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dbh = database_handle('system');
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--log if not connect
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if dbh:connected() == false then
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logger("W", "NOTICE", "db was not connected")
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end
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--set the api object
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api = freeswitch.API();
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-- We have a single command letter
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-- Use session variables
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logger("D", "NOTICE", "params default from session, count " .. string.format("%d", #argv[2]) .. " \n")
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params["cmd"] = argv[2]
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--logger("D", "NOTICE", "params default from session, count " .. string.format("%d", #argv[2]) .. " \n")
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--params["cmd"] = argv[3]
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-- ensure that we have a fresh status on exit
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session:setVariable("call_block", "")
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@@ -80,42 +82,115 @@ This method causes the script to get its manadatory arguments directly from the
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logger("D", "NOTICE", "params are: " .. string.format("'%s', '%s', '%s', '%s'", params["cid_num"],
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params["cid_name"], params["userid"], params["domain"]));
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--Check if number is in call_block list
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-- If it is, then increment the counter and block the call
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if (params["cmd"] == "C") then
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sql = "SELECT * FROM v_call_block as c "
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sql = sql .. "JOIN v_domains as d ON c.domain_uuid=d.domain_uuid "
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sql = sql .. "WHERE c.call_block_number = '" .. params["cid_num"] .. "' AND d.domain_name = '" .. params["domain"] .."'"
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status = dbh:query(sql, function(rows)
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found_cid_num = rows["call_block_number"]
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found_uuid = rows["call_block_uuid"]
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found_enabled = rows["call_block_enabled"]
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found_action = rows["call_block_action"]
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found_count = rows["call_block_count"]
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end)
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-- dbh:affected_rows() doesn't do anything if using core:db so this is the workaround:
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if found_cid_num then -- caller id exists
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if (found_enabled == "true") then
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details = {}
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k = 0
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for v in string.gmatch(found_action, "[%w%.]+") do
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details[k] = v
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--logger("W", "INFO", "Details: " .. details[k])
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k = k + 1
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end
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dbh:query("UPDATE v_call_block SET call_block_count = " .. found_count + 1 .. " WHERE call_block_uuid = '" .. found_uuid .. "'")
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session:setVariable("call_block", "block")
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logger("W", "NOTICE", "number " .. params["cid_num"] .. " blocked with " .. found_count .. " previous hits, domain: " .. params["domain"])
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if (found_action == "Reject") then
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session:hangup("CALL_REJECTED")
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end
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if (found_action == "Busy") then
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session:hangup("USER_BUSY")
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end
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if (details[0] =="Voicemail") then
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session:setAutoHangup(false)
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session:execute("transfer", "*99" .. details[2] .. " XML " .. details[1])
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--get the cache
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if (trim(api:execute("module_exists", "mod_memcache")) == "true") then
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cache = trim(api:execute("memcache", "get app:call_block:" .. params["domain"] .. ":" .. params["cid_num"]));
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else
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cache = "-ERR NOT FOUND";
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end
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--check if number is in call_block list then increment the counter and block the call
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--if (params["cmd"] == "C") then
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--if not cached then get the information from the database
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if (cache == "-ERR NOT FOUND") then
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--connect to the database
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dofile(scripts_dir.."/resources/functions/database_handle.lua");
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dbh = database_handle('system');
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--log if not connect
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if dbh:connected() == false then
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logger("W", "NOTICE", "db was not connected")
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end
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--check if the the call block is blocked
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sql = "SELECT * FROM v_call_block as c "
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sql = sql .. "JOIN v_domains as d ON c.domain_uuid=d.domain_uuid "
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sql = sql .. "WHERE c.call_block_number = '" .. params["cid_num"] .. "' AND d.domain_name = '" .. params["domain"] .."'"
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status = dbh:query(sql, function(rows)
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found_cid_num = rows["call_block_number"];
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found_uuid = rows["call_block_uuid"];
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found_enabled = rows["call_block_enabled"];
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found_action = rows["call_block_action"];
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found_count = rows["call_block_count"];
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end)
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-- dbh:affected_rows() doesn't do anything if using core:db so this is the workaround:
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--set the cache
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if (found_cid_num) then -- caller id exists
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if (found_enabled == "true") then
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cache = "found_cid_num=" .. found_cid_num .. "&found_uuid=" .. found_uuid .. "&found_enabled=" .. found_enabled .. "&found_action=" .. found_action .. "&found_count=" .. found_count;
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result = trim(api:execute("memcache", "set app:call_block:" .. params["domain"] .. ":" .. params["cid_num"] .. " '"..cache.."' "..expire["call_block"]));
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--set the source
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source = "database";
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end
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end
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else
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--get from memcache
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--add the function
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dofile(scripts_dir.."/resources/functions/explode.lua");
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--parse the cache
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array = explode("&", cache);
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--define the array/table and variables
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local var = {}
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local key = "";
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local value = "";
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--parse the cache
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key_pairs = explode("&", cache);
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for k,v in pairs(key_pairs) do
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f = explode("=", v);
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key = f[1];
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value = f[2];
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var[key] = value;
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end
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--set the variables
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found_cid_num = var["found_cid_num"];
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found_uuid = var["found_uuid"];
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found_enabled = var["found_enabled"];
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found_action = var["found_action"];
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found_count = var["found_count"];
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--set the source
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source = "memcache";
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end
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--debug information
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--freeswitch.consoleLog("error", "[call_block] " .. cache .. "\n");
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--freeswitch.consoleLog("error", "[call_block] found_cid_num = " .. found_cid_num .. "\n");
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--freeswitch.consoleLog("error", "[call_block] found_enabled = " .. found_enabled .. "\n");
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--freeswitch.consoleLog("error", "[call_block] source = " .. source .. "\n");
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--block the call
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if found_cid_num then -- caller id exists
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if (found_enabled == "true") then
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details = {}
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k = 0
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for v in string.gmatch(found_action, "[%w%.]+") do
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details[k] = v
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--logger("W", "INFO", "Details: " .. details[k])
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k = k + 1
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end
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if (source == "database") then
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dbh:query("UPDATE v_call_block SET call_block_count = " .. found_count + 1 .. " WHERE call_block_uuid = '" .. found_uuid .. "'")
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end
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session:setVariable("call_block", "block")
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logger("W", "NOTICE", "number " .. params["cid_num"] .. " blocked with " .. found_count .. " previous hits, domain: " .. params["domain"])
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if (found_action == "Reject") then
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session:hangup("CALL_REJECTED")
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end
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if (found_action == "Busy") then
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session:hangup("USER_BUSY")
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end
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if (details[0] =="Voicemail") then
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session:setAutoHangup(false)
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session:execute("transfer", "*99" .. details[2] .. " XML " .. details[1])
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end
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end
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end
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end
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end
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--end
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