diff --git a/config/dev/default.toml b/config/dev/default.toml
index bc956c6..8711f21 100644
--- a/config/dev/default.toml
+++ b/config/dev/default.toml
@@ -16,24 +16,25 @@ accept_untrusted_certs = true
 
 [settings]
 max_fails = 3
-send_voice = false
-send_gps = true
 send_group_monitoring_before_each_call = 'true'
-gps_report_interval = 300 # The interval in which the GPS is sent
+gps_report_interval = 1000 # The interval in which the GPS is sent
 gps_lat_start_point = 46.217802
 gps_lng_start_point = 24.776126
 delay_between_clients = 300
-testing_duration = 600 # seconds
+testing_duration = 20 # seconds
 
-[assets]
 
-#ids = [
-#	5488, 5489, 5490, 5491, 5492, 5493, 5494, 5495, 5496, 5497, 5498, 5499, 5500, 5501, 5502
-#]
+[[assets]]
+asset_id = 63
+group_id = 1
+generate_voice = true
+generate_gps = true
 
-ids = [
-	1868
-]
+[[assets]]
+asset_id = 64
+group_id = 1
+generate_voice = false
+generate_gps = true
 
 [sounds]
 tracks = ['1.mp3','2.mp3','3.mp3','4.mp3','5.mp3','6.mp3','7.mp3','8.mp3','9.mp3','10.mp3','11.mp3','12.mp3','13.mp3','14.mp3','15.mp3','16.mp3','17.mp3','18.mp3','19.mp3']
diff --git a/index.js b/index.js
index 9003144..9c6406b 100644
--- a/index.js
+++ b/index.js
@@ -15,6 +15,9 @@ let configs = {
 	elogs: config.get('elogs'),
 }
 
+console.log('configs', configs)
+
 // Start simulation.
 console.log('Starting simulation...');
+
 var simulator = new Simulator(configs);
diff --git a/src/asset.js b/src/asset.js
index f498852..a889470 100644
--- a/src/asset.js
+++ b/src/asset.js
@@ -18,19 +18,21 @@ const log = require('./utils').log
 
 class Asset {
 
-	constructor(id, configs, token) {
+	constructor(asset, configs, token) {
 
-		this.id = id;
+		this.id = asset.asset_id;
+		this.group_id = asset.group_id;
+		this.generate_voice = asset.generate_voice;
+		this.generate_gps = asset.generate_gps;
 		this.token = token;
 		this.configs = configs
 		this._processConfigs();
 		this.pttEndSuccessfully = false;
 		this.assetProps = {};
 		this.murmurPassword = '';
-		this.startTime = null; // Will be set at the initialization of ptt(_start -> on_tt)
 		this.endTime = +new Date() + (this.configs.settings.testing_duration * 1000)
 
-		utils.writeLog(`Creating asset ${id}`)
+		utils.writeLog(`Creating asset ${this.id}`)
 
 		// Do async work: Init asset.
 		async.waterfall([
@@ -129,17 +131,16 @@ class Asset {
 
 					// Find what group this asset is monitoring.
 					this.groups.forEach((g) => {
-						if (g.is_talk_group && g.monitoring.indexOf(this.id) != -1) {
-							this.groupId = g.id;
+						if (g.id === this.group_id) {
 							this.groupSipId = g.sip_id;
 							this.groupName = g.name;
 						}
 					});
 
-					if (!this.groupId) {
-						return callback('No talk group assigned to ' + this.id);
-					}
-					utils.writeLog(`Informations about asset ${this.id} received`)
+					// if (!this.groupId) {
+					// 	return callback('No talk group assigned to ' + this.id);
+					// }
+					utils.writeLog(`Informations about asset ${this.id} received | groupId: ${this.group_id} | groupName: ${this.groupName}`);
 					return callback();
 				} else {
 					utils.writeLog(`Error getting informations about asset ${this.id}`, error);
@@ -209,6 +210,7 @@ class Asset {
 	}
 
 	_connectToMurmur(callback) {
+		console.log(`Asset ${this.id} connecting to Murmur`);
 		this.configs.murmurPassword = this.murmurPassword;
 
 		this.mumble = new Mumble(this.id, this.configs, (err) => {
@@ -226,6 +228,7 @@ class Asset {
 	}
 
 	_register(callback) {
+		console.log(`Asset ${this.id} connecting to Register`);
 		Request.post(
 			this.apiEndpoint + '/audio/register/' + this.id,
 			{
@@ -240,7 +243,7 @@ class Asset {
 				} else {
 					console.log('_register--------------------')
 					console.log('error---', error)
-					console.log('response---', response)
+					// console.log('response---', response)
 					console.log('body---', body)
 					// utils.writeLog(`Asset ${this.id} audio registered error`, error);
 					// utils.writeErrorLog(`ERROR_API`);
@@ -251,8 +254,10 @@ class Asset {
 	}
 
 	_moveToChannel(callback) {
+		console.log(`Asset ${this.id} move to Channel ${this.group_id}`);
+		// console.log('_moveToChannel', this.apiEndpoint + '/audio/enter-group/' + this.id + '/' + this.group_id)
 		Request.post(
-			this.apiEndpoint + '/audio/enter-group/' + this.id + '/' + this.groupId,
+			this.apiEndpoint + '/audio/enter-group/' + this.id + '/' + this.group_id,
 			{
 				headers: {
 					Authorization: `Bearer ${this.token}`
@@ -270,12 +275,12 @@ class Asset {
 								asset_alias : this.assetProps.name,
 								request_ptt_groups_status: false,
 								group_sip_id: this.groupSipId,
-								group_id: this.groupId,
+								group_id: this.group_id,
 								group_name: this.groupName,
 								scan_group_ids: null
 							}
 						));
-						utils.writeLog(`Asset ${this.id} mmonitoring group ${this.groupId}`)
+						utils.writeLog(`Asset ${this.id} monitoring group ${this.group_id}`)
 						if (callback) return callback();
 					} else {
 						if (callback) return callback('Cannot send group-monitoring: Hub not connected');
@@ -283,7 +288,7 @@ class Asset {
 				} else {
 					console.log('_moveToChannel--------------------')
 					console.log('error---', error)
-					console.log('response---', response)
+					// console.log('response---', response)
 					console.log('body---', body)
 					// utils.writeLog(`Asset ${this.id} audio enter group error`, error);
 					// utils.writeErrorLog(`ERROR_API`);
@@ -294,31 +299,8 @@ class Asset {
 	}
 
 	_start() {
-		this.startTime = +new Date();
-		if(this.endTime > this.startTime) {
-			if(this.configs.settings.send_voice) {
-				this._makePtt(() => {
-					if(this.pttEndSuccessfully) {
-						this._verifyRecorder();
-					}
-				});
-			}
-
-			if(this.configs.settings.send_gps) {
-				this._sendGPS();
-			}
-		} else {
-			const assetIds = this.configs.assets.ids;
-			if(Math.max(...assetIds) == this.id) {
-				setTimeout(() => {
-					utils.writeLog('STOP')
-					.then(() => {
-						process.exit(0);
-					});
-				}, 10000);
-			}
-		}
-
+		this.generate_voice && this._makePtt();
+		this.generate_gps && this._sendGPS();
 	}
 
 	_verifyRecorder(callback) {
@@ -387,7 +369,6 @@ class Asset {
 
 		// Send ptt-press and wait for it to be accepted.
 		this._sendPttPress((isAccepted) => {
-
 			if (!isAccepted) {
 				return callback();
 			}
@@ -432,8 +413,19 @@ class Asset {
 					this.pttEndSuccessfully = true;
 					setTimeout(() => {
 						this._sendPttRelease();
-						callback();
-					}, 1500); // Hangtime
+						const now = +new Date();
+						if(this.endTime > now) {
+							this._makePtt();
+						} else {
+
+							setTimeout(() => {
+								utils.writeLog(`Asset: ${this.id} - STOP`)
+								.then(() => {
+									process.exit(0);
+								});
+							}, 10000);
+						}
+					}, 1800); // Hangtime
 				});
 
 				// @TODO: Ugly hack for the voice to work with mp3 (The fix is to remove float32ToInt16 conversion). It is the _transform function from OpusEncoderStream class (mumble-client-codecs-node project).
@@ -501,27 +493,34 @@ class Asset {
 			let lat = this.configs.settings.gps_lat_start_point;
 			let lng = this.configs.settings.gps_lng_start_point;
 
-			setTimeout(() => {
-				var new_lat = this._randomCoordinates(lat);
-				var new_lng = this._randomCoordinates(lng);
+			setInterval(() => {
+				const now = +new Date();
+				if(this.endTime > now) {
+					var new_lat = this._randomCoordinates(lat);
+					var new_lng = this._randomCoordinates(lng);
 
-				hub.emit('gps', JSON.stringify(
-					{
-						unix_time: 1467126677000,
-						asset_id: this.assetProps.id,
-						asset_sip_id: this.assetProps.sip_id,
-						speed_kmh: 16,
-						lat: new_lat,
-						lng: new_lng,
-						accuracy: 20.3,
-						activity_type: "driving",
-						activity_confidence: 90
-					}
-				));
-				lat = new_lat;
-				lng = new_lng;
-				if (!this.configs.settings.send_voice) {
-					this._start();
+					hub.emit('gps', JSON.stringify(
+						{
+							unix_time: 1467126677000,
+							asset_id: this.assetProps.id,
+							asset_sip_id: this.assetProps.sip_id,
+							speed_kmh: 16,
+							lat: new_lat,
+							lng: new_lng,
+							accuracy: 20.3,
+							activity_type: "driving",
+							activity_confidence: 90
+						}
+					));
+					lat = new_lat;
+					lng = new_lng;
+				} else {
+					setTimeout(() => {
+						utils.writeLog(`Asset: ${this.id} - STOP`)
+						.then(() => {
+							process.exit(0);
+						});
+					}, 11000);
 				}
 			}, this.configs.settings.gps_report_interval);
 		}
@@ -544,7 +543,7 @@ class Asset {
 				if (data.asset_id != this.id) {
 					return;
 				}
-				utils.writeLog(`Asset ${this.id} sending PTT-PRESS to group ${this.groupId}`)
+				utils.writeLog(`Asset ${this.id} sending PTT-PRESS to group ${this.group_id}`)
 				hub.removeListener('ptt-deny', pttDenyHandler);
 				callback(true);
 			};
@@ -563,7 +562,7 @@ class Asset {
 
 			hub.emit('ptt-press', JSON.stringify(
 				{
-					destination_group_id: this.groupId,
+					destination_group_id: this.group_id,
 					destination_group_sip_id: this.groupSipId,
 					destination_asset_id: 0,
 					destination_asset_sip_id: 0,
@@ -582,10 +581,10 @@ class Asset {
 		let hub = this.hub;
 		if (hub && hub.connected) {
 
-			utils.writeLog(`Asset ${this.id} sending PTT-RELEASE to group ${this.groupId}`);
+			utils.writeLog(`Asset ${this.id} sending PTT-RELEASE to group ${this.group_id}`);
 			hub.emit('ptt-release', JSON.stringify(
 				{
-					destination_group_id: this.groupId,
+					destination_group_id: this.group_id,
 					destination_group_sip_id: this.groupSipId,
 					destination_asset_id: 0,
 					destination_asset_sip_id: 0,
diff --git a/src/mumble.js b/src/mumble.js
index 6b7d1d3..1f5cf69 100644
--- a/src/mumble.js
+++ b/src/mumble.js
@@ -12,7 +12,6 @@ const OpusEncoder = require('node-opus').OpusEncoder;
 class Mumble {
 	
 	constructor(id, configs, connectedCallback) {
-		console.log('------', configs)
 		this.id = id;
 		this.configs = configs;
 		let mumble = configs.mumble;
@@ -104,7 +103,7 @@ class Mumble {
 		.on('reconnect', function (n, delay) {
 			// n = current number of reconnect
 			// delay = delay used before reconnect
-			console.log('------ Server reconnect...');
+			// console.log('------ Server reconnect...');
 			// utils.writeErrorLog(`ERROR_MUMBLE_RECONNECT`);
 			// utils.exitWriteErrorLog(`ERROR_MUMBLE_RECONNECT`);
 		})
diff --git a/src/simulator.js b/src/simulator.js
index cb174d1..b6975cd 100644
--- a/src/simulator.js
+++ b/src/simulator.js
@@ -12,12 +12,12 @@ class Simulator {
 		this.configs = configs;
 		this.token;
 
-		// Read assets ids from configs
-		this.assetIds = configs.assets.ids;
+		this.assets = configs.assets;
+		this.assetIds = this.assets.map(asset => asset.asset_id);
 
 		this.apiEndpoint = this.configs.api.use_secure ? 'https' : 'http';
 		this.apiEndpoint += '://' +  this.configs.api.host + (this.configs.api.port ? (':' + this.configs.api.port) : '');
-	
+
 		async.waterfall([
 			this._manageLogs.bind(this),
 			this._unregisterAsstes.bind(this),
@@ -36,16 +36,17 @@ class Simulator {
 	_start() {
 		const settings = this.configs.settings;
 
-		this.assetIds.forEach((id, i) => {
+		// this.assetIds.forEach((id, i) => {
+		this.assets.forEach((asset, i) => {
 			let delay_between_clients = 500;
 			if(settings.hasOwnProperty('delay_between_clients')) {
 				delay_between_clients = parseInt(settings.delay_between_clients, 10);
 			}
-			console.log('id', id, i * delay_between_clients+'ms')
+			console.log('asset_id', asset.asset_id, i * delay_between_clients+'ms')
 
 			delay_between_clients = this._getRandomInt(delay_between_clients);
 			setTimeout(() => {
-				new Asset(id, this.configs, this.token);
+				new Asset(asset, this.configs, this.token);
 				// console.log('id, this.configs, this.token', id, this.configs, this.token)
 			}, i * delay_between_clients);
 		})
@@ -74,6 +75,7 @@ class Simulator {
 	}
 
 	_unregisterAsstes(callback) {
+
 		let url = this.apiEndpoint + '/audio/un-register/[' + this.assetIds + ']/';
 		Request.post(
 			url,