408 lines
21 KiB
C#
408 lines
21 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Text;
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using System.Reflection;
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using Nini.Config;
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using log4net;
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using OpenSim.Framework;
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using OpenSim.Data;
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using OpenSim.Services.Interfaces;
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using OpenMetaverse;
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using OpenMetaverse.StructuredData;
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using System.Collections;
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namespace OpenSim.Services.FreeswitchService
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{
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public class FreeswitchService : FreeswitchServiceBase, IFreeswitchService
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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public FreeswitchService(IConfigSource config) : base(config)
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{
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// Perform initilialization here
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}
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public Hashtable HandleDialplanRequest(Hashtable request)
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{
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m_log.DebugFormat("[FreeSwitchVoice]: HandleDialplanRequest called with {0}",request.ToString());
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Hashtable response = new Hashtable();
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// foreach (DictionaryEntry item in request)
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// {
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//// m_log.InfoFormat("[FreeSwitchDirectory]: requestBody item {0} {1}",item.Key, item.Value);
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// }
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string requestcontext = (string) request["Hunt-Context"];
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response["content_type"] = "text/xml";
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response["keepalive"] = false;
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response["int_response_code"] = 200;
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if (m_freeSwitchContext != String.Empty && m_freeSwitchContext != requestcontext)
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{
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m_log.Debug("[FreeSwitchDirectory]: returning empty as it's for another context");
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response["str_response_string"] = "";
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}
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else
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{
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response["str_response_string"] = String.Format(@"<?xml version=""1.0"" encoding=""utf-8""?>
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<document type=""freeswitch/xml"">
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<section name=""dialplan"">
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<context name=""{0}"">" +
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/* <!-- dial via SIP uri -->
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<extension name=""sip_uri"">
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<condition field=""destination_number"" expression=""^sip:(.*)$"">
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<action application=""bridge"" data=""sofia/${use_profile}/$1""/>
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<!--<action application=""bridge"" data=""$1""/>-->
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</condition>
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</extension>*/
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@"<extension name=""opensim_conferences"">
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<condition field=""destination_number"" expression=""^confctl-(.*)$"">
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<action application=""answer""/>
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<action application=""conference"" data=""$1-{1}@{0}""/>
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</condition>
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</extension>
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<extension name=""opensim_conf"">
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<condition field=""destination_number"" expression=""^conf-(.*)$"">
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<action application=""answer""/>
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<action application=""conference"" data=""$1-{1}@{0}""/>
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</condition>
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</extension>
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<extension name=""avatar"">
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<condition field=""destination_number"" expression=""^(x.*)$"">
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<action application=""bridge"" data=""user/$1""/>
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</condition>
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</extension>
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</context>
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</section>
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</document>", m_freeSwitchContext, m_freeSwitchRealm);
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}
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return response;
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}
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public Hashtable HandleDirectoryRequest(Hashtable request)
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{
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Hashtable response = new Hashtable();
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string domain = (string) request["domain"];
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if (domain != m_freeSwitchRealm)
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{
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response["content_type"] = "text/xml";
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response["keepalive"] = false;
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response["int_response_code"] = 200;
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response["str_response_string"] = "";
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}
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else
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{
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// m_log.DebugFormat("[FreeSwitchDirectory]: HandleDirectoryRequest called with {0}",request.ToString());
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// information in the request we might be interested in
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// Request 1 sip_auth for users account
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//Event-Calling-Function=sofia_reg_parse_auth
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//Event-Calling-Line-Number=1494
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//action=sip_auth
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//sip_user_agent=Vivox-SDK-2.1.3010.6151-Mac%20(Feb-11-2009/16%3A42%3A41)
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//sip_auth_username=xhZuXKmRpECyr2AARJYyGgg%3D%3D (==)
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//sip_auth_realm=9.20.151.43
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//sip_contact_user=xhZuXKmRpECyr2AARJYyGgg%3D%3D (==)
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//sip_contact_host=192.168.0.3 // this shouldnt really be a local IP, investigate STUN servers
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//sip_to_user=xhZuXKmRpECyr2AARJYyGgg%3D%3D
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//sip_to_host=9.20.151.43
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//sip_auth_method=REGISTER
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//user=xhZuXKmRpECyr2AARJYyGgg%3D%3D
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//domain=9.20.151.43
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//ip=9.167.220.137 // this is the correct IP rather than sip_contact_host above when through a vpn or NAT setup
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// foreach (DictionaryEntry item in request)
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// m_log.DebugFormat("[FreeSwitchDirectory]: requestBody item {0} {1}", item.Key, item.Value);
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string eventCallingFunction = (string) request["Event-Calling-Function"];
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if (eventCallingFunction == null)
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{
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eventCallingFunction = "sofia_reg_parse_auth";
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}
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if (eventCallingFunction.Length == 0)
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{
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eventCallingFunction = "sofia_reg_parse_auth";
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}
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if (eventCallingFunction == "sofia_reg_parse_auth")
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{
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string sipAuthMethod = (string)request["sip_auth_method"];
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if (sipAuthMethod == "REGISTER")
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{
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response = HandleRegister(m_freeSwitchContext, m_freeSwitchRealm, request);
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}
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else if (sipAuthMethod == "INVITE")
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{
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response = HandleInvite(m_freeSwitchContext, m_freeSwitchRealm, request);
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}
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else
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{
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m_log.ErrorFormat("[FreeSwitchVoice]: HandleDirectoryRequest unknown sip_auth_method {0}",sipAuthMethod);
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response["int_response_code"] = 404;
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response["content_type"] = "text/xml";
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response["str_response_string"] = "";
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}
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}
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else if (eventCallingFunction == "switch_xml_locate_user")
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{
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response = HandleLocateUser(m_freeSwitchRealm, request);
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}
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else if (eventCallingFunction == "user_data_function") // gets called when an avatar to avatar call is made
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{
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response = HandleLocateUser(m_freeSwitchRealm, request);
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}
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else if (eventCallingFunction == "user_outgoing_channel")
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{
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response = HandleRegister(m_freeSwitchContext, m_freeSwitchRealm, request);
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}
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else if (eventCallingFunction == "config_sofia") // happens once on freeswitch startup
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{
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response = HandleConfigSofia(m_freeSwitchContext, m_freeSwitchRealm, request);
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}
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else if (eventCallingFunction == "switch_load_network_lists")
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{
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//response = HandleLoadNetworkLists(request);
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response["int_response_code"] = 404;
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response["keepalive"] = false;
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response["content_type"] = "text/xml";
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response["str_response_string"] = "";
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}
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else
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{
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m_log.ErrorFormat("[FreeSwitchVoice]: HandleDirectoryRequest unknown Event-Calling-Function {0}",eventCallingFunction);
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response["int_response_code"] = 404;
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response["keepalive"] = false;
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response["content_type"] = "text/xml";
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response["str_response_string"] = "";
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}
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}
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return response;
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}
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private Hashtable HandleRegister(string Context, string Realm, Hashtable request)
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{
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m_log.Info("[FreeSwitchDirectory]: HandleRegister called");
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// TODO the password we return needs to match that sent in the request, this is hard coded for now
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string password = "1234";
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string domain = (string) request["domain"];
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string user = (string) request["user"];
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Hashtable response = new Hashtable();
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response["content_type"] = "text/xml";
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response["keepalive"] = false;
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response["int_response_code"] = 200;
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response["str_response_string"] = String.Format(
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"<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n" +
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"<document type=\"freeswitch/xml\">\r\n" +
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"<section name=\"directory\" description=\"User Directory\">\r\n" +
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"<domain name=\"{0}\">\r\n" +
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"<user id=\"{1}\">\r\n" +
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"<params>\r\n" +
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"<param name=\"password\" value=\"{2}\" />\r\n" +
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"<param name=\"dial-string\" value=\"{{sip_contact_user={1}}}{{presence_id=${{dialed_user}}@${{dialed_domain}}}}${{sofia_contact(${{dialed_user}}@${{dialed_domain}})}}\"/>\r\n" +
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"</params>\r\n" +
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"<variables>\r\n" +
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"<variable name=\"user_context\" value=\"{3}\" />\r\n" +
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"<variable name=\"presence_id\" value=\"{1}@{0}\"/>"+
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"</variables>\r\n" +
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"</user>\r\n" +
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"</domain>\r\n" +
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"</section>\r\n" +
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"</document>\r\n",
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domain , user, password, Context);
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return response;
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}
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private Hashtable HandleInvite(string Context, string Realm, Hashtable request)
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{
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m_log.Info("[FreeSwitchDirectory]: HandleInvite called");
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// TODO the password we return needs to match that sent in the request, this is hard coded for now
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string password = "1234";
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string domain = (string) request["domain"];
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string user = (string) request["user"];
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string sipRequestUser = (string) request["sip_request_user"];
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Hashtable response = new Hashtable();
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response["content_type"] = "text/xml";
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response["keepalive"] = false;
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response["int_response_code"] = 200;
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response["str_response_string"] = String.Format(
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"<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n" +
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"<document type=\"freeswitch/xml\">\r\n" +
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"<section name=\"directory\" description=\"User Directory\">\r\n" +
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"<domain name=\"{0}\">\r\n" +
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"<user id=\"{1}\">\r\n" +
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"<params>\r\n" +
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"<param name=\"password\" value=\"{2}\" />\r\n" +
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"<param name=\"dial-string\" value=\"{{sip_contact_user={1}}}{{presence_id=${1}@${{dialed_domain}}}}${{sofia_contact(${1}@${{dialed_domain}})}}\"/>\r\n" +
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"</params>\r\n" +
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"<variables>\r\n" +
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"<variable name=\"user_context\" value=\"{4}\" />\r\n" +
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"<variable name=\"presence_id\" value=\"{1}@$${{domain}}\"/>"+
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"</variables>\r\n" +
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"</user>\r\n" +
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"<user id=\"{3}\">\r\n" +
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"<params>\r\n" +
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"<param name=\"password\" value=\"{2}\" />\r\n" +
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"<param name=\"dial-string\" value=\"{{sip_contact_user={1}}}{{presence_id=${3}@${{dialed_domain}}}}${{sofia_contact(${3}@${{dialed_domain}})}}\"/>\r\n" +
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"</params>\r\n" +
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"<variables>\r\n" +
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"<variable name=\"user_context\" value=\"{4}\" />\r\n" +
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"<variable name=\"presence_id\" value=\"{3}@$${{domain}}\"/>"+
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"</variables>\r\n" +
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"</user>\r\n" +
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"</domain>\r\n" +
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"</section>\r\n" +
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"</document>\r\n",
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domain , user, password,sipRequestUser, Context);
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return response;
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}
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private Hashtable HandleLocateUser(String Realm, Hashtable request)
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{
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m_log.Info("[FreeSwitchDirectory]: HandleLocateUser called");
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// TODO the password we return needs to match that sent in the request, this is hard coded for now
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string domain = (string) request["domain"];
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string user = (string) request["user"];
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Hashtable response = new Hashtable();
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response["content_type"] = "text/xml";
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response["keepalive"] = false;
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response["int_response_code"] = 200;
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response["str_response_string"] = String.Format(
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"<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n" +
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"<document type=\"freeswitch/xml\">\r\n" +
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"<section name=\"directory\" description=\"User Directory\">\r\n" +
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"<domain name=\"{0}\">\r\n" +
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"<params>\r\n" +
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"<param name=\"dial-string\" value=\"{{sip_contact_user=${{dialed_user}}}}{{presence_id=${{dialed_user}}@${{dialed_domain}}}}${{sofia_contact(${{dialed_user}}@${{dialed_domain}})}}\"/>\r\n" +
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"</params>\r\n" +
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"<user id=\"{1}\">\r\n" +
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"<variables>\r\n"+
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"<variable name=\"default_gateway\" value=\"$${{default_provider}}\"/>\r\n"+
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"<variable name=\"presence_id\" value=\"{1}@$${{domain}}\"/>"+
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"</variables>\r\n"+
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"</user>\r\n" +
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"</domain>\r\n" +
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"</section>\r\n" +
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"</document>\r\n",
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domain , user);
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return response;
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}
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private Hashtable HandleConfigSofia(string Context, string Realm, Hashtable request)
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{
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m_log.Info("[FreeSwitchDirectory]: HandleConfigSofia called.");
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// TODO the password we return needs to match that sent in the request, this is hard coded for now
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string domain = (string) request["domain"];
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Hashtable response = new Hashtable();
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response["content_type"] = "text/xml";
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response["keepalive"] = false;
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response["int_response_code"] = 200;
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response["str_response_string"] = String.Format(
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"<?xml version=\"1.0\" encoding=\"utf-8\"?>\r\n" +
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"<document type=\"freeswitch/xml\">\r\n" +
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"<section name=\"directory\" description=\"User Directory\">\r\n" +
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"<domain name=\"{0}\">\r\n" +
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"<params>\r\n" +
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"<param name=\"dial-string\" value=\"{{sip_contact_user=${{dialed_user}}}}{{presence_id=${{dialed_user}}@${{dialed_domain}}}}${{sofia_contact(${{dialed_user}}@${{dialed_domain}})}}\"/>\r\n" +
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"</params>\r\n" +
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"<groups name=\"default\">\r\n"+
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"<users>\r\n"+
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"<user id=\"$${{default_provider}}\">\r\n"+
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"<gateways>\r\n"+
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"<gateway name=\"$${{default_provider}}\">\r\n"+
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"<param name=\"username\" value=\"$${{default_provider_username}}\"/>\r\n"+
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"<param name=\"password\" value=\"$${{default_provider_password}}\"/>\r\n"+
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"<param name=\"from-user\" value=\"$${{default_provider_username}}\"/>\r\n"+
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"<param name=\"from-domain\" value=\"$${{default_provider_from_domain}}\"/>\r\n"+
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"<param name=\"expire-seconds\" value=\"600\"/>\r\n"+
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"<param name=\"register\" value=\"$${{default_provider_register}}\"/>\r\n"+
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"<param name=\"retry-seconds\" value=\"30\"/>\r\n"+
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"<param name=\"extension\" value=\"$${{default_provider_contact}}\"/>\r\n"+
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"<param name=\"contact-params\" value=\"domain_name=$${{domain}}\"/>\r\n"+
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"<param name=\"context\" value=\"{1}\"/>\r\n"+
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"</gateway>\r\n"+
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"</gateways>\r\n"+
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"<params>\r\n"+
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"<param name=\"password\" value=\"$${{default_provider_password}}\"/>\r\n"+
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"</params>\r\n"+
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"</user>\r\n"+
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"</users>"+
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"</groups>\r\n" +
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"<variables>\r\n"+
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"<variable name=\"default_gateway\" value=\"$${{default_provider}}\"/>\r\n"+
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"</variables>\r\n"+
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"</domain>\r\n" +
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"</section>\r\n" +
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"</document>\r\n",
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domain, Context);
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return response;
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}
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public string GetJsonConfig()
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{
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OSDMap map = new OSDMap(9);
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map.Add("Realm", m_freeSwitchRealm);
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map.Add("SIPProxy", m_freeSwitchSIPProxy);
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map.Add("AttemptUseSTUN", m_freeSwitchAttemptUseSTUN);
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map.Add("EchoServer", m_freeSwitchEchoServer);
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map.Add("EchoPort", m_freeSwitchEchoPort);
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map.Add("DefaultWellKnownIP", m_freeSwitchDefaultWellKnownIP);
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map.Add("DefaultTimeout", m_freeSwitchDefaultTimeout);
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map.Add("Context", m_freeSwitchContext);
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map.Add("APIPrefix", m_freeSwitchAPIPrefix);
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return OSDParser.SerializeJsonString(map);
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}
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}
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}
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