I have 400 extensions on difference server (3 server) and monitoring from one server (172.161.9.5)

Here is fop2.cfg config (we using plain text asterisk)

[general]
manager_host=172.161.9.3
manager_port=5038
manager_user=username
manager_secret=passs

manager_host=172.161.8.4
manager_port=5038
manager_user=username
manager_secret=passs

manager_host=172.161.9.5
manager_port=5038
manager_user=username
manager_secret=passs

web_dir=/var/www/html/webPhoneOnly/fop2

poll_interval=86400
poll_voicemail=1
monitor_ipaddress=1
blind_transfer=0
supervised_transfer=1
spy_options="bq"
whisper_options="w"

monitor_filename=/var/spool/asterisk/monitor/${ORIG_EXTENSION}${DEST_EXTENSION}%h%i%s_${UNIQUEID}_${FOP2CONTEXT}
monitor_format=wav
monitor_mix=true
monitor_exec=/usr/local/fop2/recording_fop2.pl
voicemail_path=/var/spool/asterisk/voicemail

ssl_certificate_file=/etc/pki/tls/certs/localhost.crt
ssl_certificate_key_file=/etc/pki/tls/private/localhost.key

group=HG_1:SIP/1092,SIP/1001,SIP/1002,SIP/1003,SIP/1004,SIP/1005,SIP/1006,SIP/1007,SIP/1008,SIP/1009,SIP/1010,SIP/1011,SIP/1012,SIP/1013,SIP/1014,SIP/1015,SIP/1016,SIP/1017,SIP/1018,SIP/1019,SIP/1020,SIP/1021,SIP/1022,SIP/1023,SIP/1024,SIP/1025,SIP/1026,SIP/1027,SIP/1028,SIP/1029,SIP/1030,SIP/1031,SIP/1032,SIP/1033,SIP/1034,SIP/1035,S
IP/1036,SIP/1037,SIP/1038,SIP/1039,SIP/1040,SIP/1041,SIP/1042,SIP/1043,SIP/1044,SIP/1045,SIP/1046,SIP/1047,SIP/1048,SIP/1049,SIP/1050,SIP/1051,SIP/1052,SIP/1053,SIP/1054,SIP/1055,SIP/1056,SIP/1057,SIP/1058,SIP/1059,SIP/1060,SIP/1061,SIP/1062,SIP/1063,SIP/1064,SIP/1065,SIP/1066,SIP/1067,SIP/1068,SIP/1069,SIP/1070,SIP/1071,SIP/1072,SIP/
1073,SIP/1074,SIP/1075,SIP/1076,SIP/1077,SIP/1078,SIP/1079,SIP/1080,SIP/1081,SIP/1082,SIP/1083,SIP/1084,SIP/1085,SIP/1086,SIP/1087,SIP/1088,SIP/1089,SIP/1090,SIP/1091,SIP/1093,SIP/1094,SIP/1095,SIP/1096,SIP/1097,SIP/1098,SIP/1099,SIP/1100
user=1092:1092::HG_1
group=HG_4:SIP/1222,SIP/1201,SIP/1202,SIP/1203,SIP/1204,SIP/1205,SIP/1206,SIP/1207,SIP/1208,SIP/1209,SIP/1210,SIP/1211,SIP/1212,SIP/1213,SIP/1214,SIP/1215,SIP/1216,SIP/1217,SIP/1218,SIP/1219,SIP/1220,SIP/1221,SIP/1223,SIP/1224,SIP/1225,SIP/1226,SIP/127,SIP/1228,SIP/1229,SIP/1230
user=1222:1222::HG_4
group=HG_3:SIP/1259,SIP/1231,SIP/1232,SIP/1233,SIP/1234,SIP/1235,SIP/1236,SIP/1237,SIP/1238,SIP/1239,SIP/1240,SIP/1241,SIP/1242,SIP/1243,SIP/1244,SIP/1245,SIP/1246,SIP/1247,SIP/1248,SIP/1249,SIP/1250,SIP/1251,SIP/1252,SIP/1253,SIP/1254,SIP/1255,SIP/1256,SIP/1257,SIP/1258,SIP/1260,SIP/1261,SIP/1262,SIP/1263,SIP/1264,SIP/1265,SIP/1266,SIP/1267,SIP/1268,SIP/1269,SIP/1270,SIP/1271,SIP/1272,SIP/1273,SIP/1274,SIP/1275,SIP/1276
user=1259:1259::HG_3
group=HG_2:SIP/1295,SIP/1277,SIP/1278,SIP/1279,SIP/1280,SIP/1281,SIP/1282,SIP/1283,SIP/1284,SIP/1285,SIP/1286,SIP/1287,SIP/1288,SIP/1289,SIP/1290,SIP/1291,SIP/1292,SIP/1293,SIP/1294,SIP/1296,SIP/1297,SIP/1298,SIP/1299,SIP/1300,SIP/1301,SIP/1302,SIP/1303,SIP/1304,SIP/1305,SIP/1306,SIP/1307,SIP/1308,SIP/1309,SIP/1310,SIP/1311,SIP/1312,SIP/1313,SIP/1314,SIP/1315,SIP/1316,SIP/1317,SIP/1318,SIP/1319,SIP/1320,SIP/1321,SIP/1322,SIP/1323,SIP/1324,SIP/1325,SIP/1326,SIP/1327,SIP/1328,SIP/1329,SIP/1330,SIP/1331,SIP/1332,SIP/1333,SIP/1334,SIP/1335,SIP/1336,SIP/1337,SIP/1338,SIP/1339,SIP/1340,SIP/1341,SIP/1342
user=1295:1295::HG_2
group=HG_7:SIP/1413,SIP/1401,SIP/1402,SIP/1403,SIP/1404,SIP/1405,SIP/1406,SIP/1407,SIP/1408,SIP/1409,SIP/1410,SIP/1411,SIP/1412,SIP/1414,SIP/1415,SIP/1416,SIP/1417
user=1413:1413::HG_7
group=HG_6:SIP/1434,SIP/1419,SIP/1420,SIP/1421,SIP/1422,SIP/1423,SIP/1424,SIP/1425,SIP/1426,SIP/1427,SIP/1428,SIP/1429,SIP/1430,SIP/1431,SIP/1432,SIP/1433,SIP/1435,SIP/1436,SIP/1437,SIP/1438,SIP/1439,SIP/1440,SIP/1441,SIP/1442,SIP/1443,SIP/1444,SIP/1445,SIP/1446,SIP/1447,SIP/1448,SIP/1449,SIP/1450,SIP/1451,SIP/1452,SIP/1453,SIP/1454,SIP/1455,SIP/1456,SIP/1457,SIP/1458,SIP/1459,SIP/1460,SIP/1461,SIP/1462,SIP/1463,SIP/1464,SIP/1465,SIP/1466,SIP/1467,SIP/1468,SIP/1469,SIP/1470,SIP/1471,SIP/1472,SIP/1473,SIP/1474,SIP/1475,SIP/1476,SIP/1477,SIP/1478,SIP/1479,SIP/1480,SIP/1481,SIP/1482,SIP/1483,SIP/1484,SIP/1485,SIP/1486,SIP/1487,SIP/1488
user=1434:1434::HG_6
group=HG_5:SIP/1496,SIP/1489,SIP/1490,SIP/1491,SIP/1492,SIP/1493,SIP/1494,SIP/1495,SIP/1497,SIP/1498,SIP/1499,SIP/1500,SIP/1501,SIP/1502,SIP/1503,SIP/1504,SIP/1505,SIP/1506,SIP/1507,SIP/1508,SIP/1509,SIP/1510
user=1496:1496::HG_5
group=HG_8000:SIP/8000,SIP/8001,SIP/8002,SIP/8003,SIP/8004,SIP/8005,SIP/8006,SIP/8007,SIP/8008,SIP/8009
user=8000:8000::HG_8000
group=SPV_10154:SIP/1002,SIP/1003,SIP/1008,SIP/1013,SIP/1015,SIP/1018,SIP/1022,SIP/1023,SIP/1024,SIP/1030,SIP/1033,SIP/1035,SIP/1036,SIP/1038,SIP/1039,SIP/1043,SIP/1048,SIP/1051,SIP/1052,SIP/1053,SIP/1058,SIP/1063,SIP/1069,SIP/1073,SIP/1075,SIP/1076,SIP/1079,SIP/1080,SIP/1081,SIP/1083,SIP/1084,SIP/1087,SIP/1090,SIP/1093,SIP/1094,SIP/1097,SIP/1099,SIP/1100
user=1002:1002::SPV_10154
group=SPV_10407:SIP/1007,SIP/1001,SIP/1004,SIP/1005,SIP/1006,SIP/1009,SIP/1010,SIP/1011,SIP/1012,SIP/1014,SIP/1016,SIP/1017,SIP/1019,SIP/1020,SIP/1021,SIP/1025,SIP/1026,SIP/1027,SIP/1028,SIP/1029,SIP/1031,SIP/1032,SIP/1034,SIP/1037,SIP/1040,SIP/1041,SIP/1042,SIP/1044,SIP/1045,SIP/1046,SIP/1047,SIP/1049,SIP/1050,SIP/1054,SIP/1055,SIP/1056,SIP/1057,SIP/1059,SIP/1060,SIP/1061,SIP/1062,SIP/1064,SIP/1065,SIP/1066,SIP/1067,SIP/1068,SIP/1070,SIP/1071,SIP/1072,SIP/1074,SIP/1077,SIP/1078,SIP/1082,SIP/1085,SIP/1086,SIP/1088,SIP/1089,SIP/1091,SIP/1095,SIP/1096,SIP/1098
user=1007:1007::SPV_10407
group=SPV_10897:SIP/1221,SIP/1201,SIP/1202,SIP/1203,SIP/1204,SIP/1205,SIP/1206,SIP/1207,SIP/1208,SIP/1209,SIP/1210,SIP/1211,SIP/1212,SIP/1213,SIP/1214,SIP/1215,SIP/1216,SIP/1217,SIP/1218,SIP/1219,SIP/1220,SIP/1223,SIP/1224,SIP/1225,SIP/1226,SIP/1227,SIP/1228,SIP/1229,SIP/1230
user=1221:1221::SPV_10897
group=SPV_10505:SIP/1250,SIP/1231,SIP/1232,SIP/1233,SIP/1234,SIP/1235,SIP/1236,SIP/1237,SIP/1238,SIP/1239,SIP/1240,SIP/1241,SIP/1242,SIP/1243,SIP/1244,SIP/1245,SIP/1246,SIP/1247,SIP/1248,SIP/1249,SIP/1251,SIP/1252,SIP/1253,SIP/1254,SIP/1255,SIP/1256,SIP/1257,SIP/1258,SIP/1260,SIP/1261,SIP/1262,SIP/1263,SIP/1264,SIP/1265,SIP/1266,SIP/1267,SIP/1268,SIP/1269,SIP/1270,SIP/1271,SIP/1272,SIP/1273,SIP/1274,SIP/1275,SIP/1276,SIP/1489,SIP/1490,SIP/1491,SIP/1492,SIP/1493,SIP/1494,SIP/1495,SIP/1497,SIP/1498,SIP/1499,SIP/1500,SIP/1501,SIP/1502,SIP/1503,SIP/1504,SIP/1505,SIP/1506,SIP/1507,SIP/1508,SIP/1509,SIP/1510
user=1250:1250::SPV_10505

group=SPV_10705:SIP/1307,SIP/1277,SIP/1278,SIP/1279,SIP/1280,SIP/1281,SIP/1282,SIP/1283,SIP/1284,SIP/1285,SIP/1286,SIP/1287,SIP/1288,SIP/1289,SIP/1290,SIP/1291,SIP/1292,SIP/1293,SIP/1294,SIP/1296,SIP/1297,SIP/1298,SIP/1299,SIP/1300,SIP/1301,SIP/1302,SIP/1303,SIP/1304,SIP/1305,SIP/1306,SIP/1308,SIP/1309,SIP/1310,SIP/1311,SIP/1312,SIP/1313,SIP/1314,SIP/1315,SIP/1316,SIP/1317,SIP/1318,SIP/1319,SIP/1320,SIP/1321,SIP/1322,SIP/1323,SIP/1324,SIP/1325,SIP/1326,SIP/1327,SIP/1328,SIP/1329,SIP/1330,SIP/1331,SIP/1332,SIP/1333,SIP/1334,SIP/1335,SIP/1336,SIP/1337,SIP/1338,SIP/1339,SIP/1340,SIP/1341,SIP/1342
user=1307:1307::SPV_10705
group=SPV_4197:SIP/1410,SIP/1402,SIP/1403,SIP/1404,SIP/1407,SIP/1414,SIP/1416
user=1410:1410::SPV_4197
group=SPV_1050:SIP/1411,SIP/1401,SIP/1406,SIP/1417
user=1411:1411::SPV_1050
group=SPV_1005:SIP/1412,SIP/1405,SIP/1408,SIP/1409,SIP/1415
user=1412:1412::SPV_1005
group=SPV_10523:SIP/1419,SIP/1423,SIP/1424,SIP/1425,SIP/1426,SIP/1427,SIP/1428,SIP/1429,SIP/1430,SIP/1431,SIP/1432,SIP/1433,SIP/1435,SIP/1436,SIP/1437,SIP/1438,SIP/1439,SIP/1440,SIP/1441,SIP/1442,SIP/1443,SIP/1445,SIP/1446,SIP/1447,SIP/1448,SIP/1450,SIP/1451,SIP/1452,SIP/1453,SIP/1454,SIP/1456,SIP/1457,SIP/1458,SIP/1459,SIP/1460,SIP/1
461,SIP/1462,SIP/1463,SIP/1464,SIP/1465,SIP/1466,SIP/1467,SIP/1468,SIP/1469,SIP/1470,SIP/1471,SIP/1472,SIP/1473,SIP/1474,SIP/1475,SIP/1476,SIP/1477,SIP/1478,SIP/1479,SIP/1480,SIP/1481,SIP/1482,SIP/1483,SIP/1484,SIP/1485,SIP/1486,SIP/1487,SIP/1488
user=1419:1419::SPV_10523
group=SPV_10491:SIP/1444,SIP/1420,SIP/1421,SIP/1422,SIP/1449,SIP/1455
user=1444:1444::SPV_10491

group=SPV_8001:SIP/8001,SIP/8002,SIP/8003,SIP/8004,SIP/8005,SIP/8006,SIP/8007,SIP/8008,SIP/8009
user=8001:8001::SPV_8001
group=TL_10402:SIP/1005,SIP/1001,SIP/1009,SIP/1011,SIP/1016,SIP/1025,SIP/1026,SIP/1027,SIP/1028,SIP/1034,SIP/1042,SIP/1045,SIP/1046,SIP/1054,SIP/1060,SIP/1068,SIP/1074,SIP/1082,SIP/1086,SIP/1098
user=1005:1005::TL_10402
group=TL_10405:SIP/1006,SIP/1004,SIP/1012,SIP/1014,SIP/1017,SIP/1021,SIP/1040,SIP/1041,SIP/1044,SIP/1047,SIP/1049,SIP/1050,SIP/1061,SIP/1064,SIP/1067,SIP/1077,SIP/1085,SIP/1088,SIP/1095,SIP/1096
user=1006:1006::TL_10405
group=TL_10408:SIP/1008,SIP/1013,SIP/1018,SIP/1030,SIP/1035,SIP/1036,SIP/1051,SIP/1063,SIP/1069,SIP/1075,SIP/1079,SIP/1081,SIP/1083,SIP/1087,SIP/1093,SIP/1094,SIP/1097,SIP/1099,SIP/1100
user=1008:1008::TL_10408

group=TL_10818:SIP/1043,SIP/1003,SIP/1015,SIP/1022,SIP/1023,SIP/1024,SIP/1033,SIP/1038,SIP/1039,SIP/1048,SIP/1052,SIP/1053,SIP/1058,SIP/1073,SIP/1076,SIP/1080,SIP/1084,SIP/1090
user=1043:1043::TL_10818

group=TL_10694:SIP/1066,SIP/1010,SIP/1019,SIP/1020,SIP/1029,SIP/1031,SIP/1032,SIP/1037,SIP/1055,SIP/1056,SIP/1057,SIP/1059,SIP/1062,SIP/1065,SIP/1070,SIP/1071,SIP/1072,SIP/1078,SIP/1089,SIP/1091
user=1066:1066::TL_10694
group=TL_10456:SIP/1213
user=1213:1213::TL_10456
group=TL_10476:SIP/1214,SIP/1202,SIP/1203,SIP/1204,SIP/1211,SIP/1217,SIP/1224,SIP/1225,SIP/1230
user=1214:1214::TL_10476
group=TL_10477:SIP/1215,SIP/1206,SIP/1207,SIP/1209,SIP/1220,SIP/1227,SIP/1229
user=1215:1215::TL_10477
group=TL_10488:SIP/1216
user=1216:1216::TL_10488
group=TL_10504:SIP/1218
user=1218:1218::TL_10504
group=TL_1528:SIP/1228,SIP/1201,SIP/1205,SIP/1208,SIP/1210,SIP/1212,SIP/1219,SIP/1223,SIP/1226
user=1228:1228::TL_1528
group=TL_10455:SIP/1231,SIP/1238,SIP/1242,SIP/1247,SIP/1248,SIP/1257,SIP/1258,SIP/1263,SIP/1267,SIP/1269,SIP/1271,SIP/1272,SIP/1273,SIP/1274,SIP/1275
user=1231:1231::TL_10455
group=TL_10479:SIP/1233
user=1233:1233::TL_10479
group=TL_10490:SIP/1235
user=1235:1235::TL_10490
group=TL_10454:SIP/1240,SIP/1239,SIP/1244,SIP/1246,SIP/1249,SIP/1254,SIP/1255,SIP/1260,SIP/1262,SIP/1265,SIP/1266,SIP/1268
user=1240:1240::TL_10454
group=TL_10413:SIP/1251,SIP/1232,SIP/1234,SIP/1236,SIP/1237,SIP/1241,SIP/1243,SIP/1245,SIP/1253,SIP/1256,SIP/1261,SIP/1264,SIP/1270,SIP/1276
user=1251:1251::TL_10413
group=TL_10508:SIP/1252
user=1252:1252::TL_10508
group=TL_10506:SIP/1293,SIP/1280,SIP/1281,SIP/1283,SIP/1285,SIP/1297,SIP/1304,SIP/1312,SIP/1319,SIP/1325,SIP/1335,SIP/1336,SIP/1337
user=1293:1293::TL_10506
group=TL_10415:SIP/1294,SIP/1286,SIP/1291,SIP/1300,SIP/1306,SIP/1309,SIP/1311,SIP/1330,SIP/1331,SIP/1332,SIP/1339
user=1294:1294::TL_10415
group=TL_10409:SIP/1296,SIP/1284,SIP/1289,SIP/1292,SIP/1301,SIP/1303,SIP/1305,SIP/1308,SIP/1316,SIP/1317,SIP/1333,SIP/1334,SIP/1342
user=1296:1296::TL_10409
group=TL_10404:SIP/1302,SIP/1277,SIP/1287,SIP/1288,SIP/1290,SIP/1310,SIP/1313,SIP/1315,SIP/1320,SIP/1321,SIP/1323,SIP/1326,SIP/1327,SIP/1340
user=1302:1302::TL_10404
group=TL_10406:SIP/1341,SIP/1278,SIP/1279,SIP/1282,SIP/1298,SIP/1299,SIP/1314,SIP/1318,SIP/1322,SIP/1324,SIP/1328,SIP/1329,SIP/1338
user=1341:1341::TL_10406
group=TL_1404:SIP/1403,SIP/1402,SIP/1404,SIP/1407,SIP/1414,SIP/1416
user=1403:1403::TL_1404
group=TL_1757:SIP/1406,SIP/1401,SIP/1417
user=1406:1406::TL_1757
group=TL_1832:SIP/1408,SIP/1405,SIP/1409,SIP/1415
user=1408:1408::TL_1832
group=TL_10927:SIP/1420
user=1420:1420::TL_10927
group=TL_10522:SIP/1421
user=1421:1421::TL_10522
group=TL_10513:SIP/1422
user=1422:1422::TL_10513
group=TL_10511:SIP/1423,SIP/1430,SIP/1440,SIP/1441,SIP/1446,SIP/1454,SIP/1457,SIP/1458,SIP/1461,SIP/1467,SIP/1469,SIP/1470,SIP/1474,SIP/1483,SIP/1485,SIP/1486
user=1423:1423::TL_10511
group=TL_10524:SIP/1428,SIP/1439,SIP/1445,SIP/1447,SIP/1448,SIP/1450,SIP/1451,SIP/1452,SIP/1453,SIP/1460,SIP/1463,SIP/1466,SIP/1471,SIP/1475,SIP/1477,SIP/1479,SIP/1487
user=1428:1428::TL_10524
group=TL_10526:SIP/1429,SIP/1424,SIP/1425,SIP/1431,SIP/1432,SIP/1433,SIP/1435,SIP/1442,SIP/1459,SIP/1462,SIP/1464,SIP/1472,SIP/1478,SIP/1481,SIP/1484
user=1429:1429::TL_10526
group=TL_2798:SIP/1449
user=1449:1449::TL_2798
group=TL_2795:SIP/1455
user=1455:1455::TL_2795
group=TL_3017:SIP/1473,SIP/1426,SIP/1427,SIP/1436,SIP/1437,SIP/1438,SIP/1443,SIP/1456,SIP/1465,SIP/1468,SIP/1476,SIP/1480,SIP/1482,SIP/1488
user=1473:1473::TL_3017
group=TL_10507:SIP/1510,SIP/1489,SIP/1490,SIP/1491,SIP/1492,SIP/1493,SIP/1494,SIP/1495,SIP/1497,SIP/1498,SIP/1499,SIP/1500,SIP/1501,SIP/1502,SIP/1503,SIP/1504,SIP/1505,
SIP/1506,SIP/1507,SIP/1508,SIP/1509
user=1510:1510::TL_10507
group=TL_8002:SIP/8002,SIP/8003,SIP/8004,SIP/8005,SIP/8006,SIP/8007,SIP/8008,SIP/8009
user=8002:8002::TL_8002
buttonfile=autobuttons.cfg

If i try to access url

http://172.161.9.5/fop2/?exten=1092&pass=1092

The response very slow (loading forover) and not show the button extensions. Can you help me to solve this issue?