diff --git a/package-lock.json b/package-lock.json
index de16d5ea..adb5d561 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -52,6 +52,30 @@
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+      "resolved": "https://registry.npmjs.org/@types/documentdb/-/documentdb-1.10.5.tgz",
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@@ -2627,6 +2664,49 @@
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@@ -2800,6 +2880,11 @@
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@@ -3034,6 +3119,28 @@
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@@ -3159,6 +3266,44 @@
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@@ -5107,6 +5265,32 @@
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@@ -8626,8 +8824,7 @@
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-      "dev": true
+      "integrity": "sha512-iV2IDxZaX8dIcM7fG6cI46uNmHUxHE4yN+Z8tKHAW1TBPMZDIKHf/3L+YnOuj/FK9il14UaVdHmiQ1tsi90ltA=="
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     "make-dir": {
       "version": "2.1.0",
@@ -8700,6 +8897,15 @@
         "supports-hyperlinks": "^1.0.1"
       }
     },
+    "md5.js": {
+      "version": "1.3.4",
+      "resolved": "https://registry.npmjs.org/md5.js/-/md5.js-1.3.4.tgz",
+      "integrity": "sha1-6b296UogpawYsENA/Fdk1bCdkB0=",
+      "requires": {
+        "hash-base": "^3.0.0",
+        "inherits": "^2.0.1"
+      }
+    },
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       "resolved": "https://registry.npmjs.org/media-typer/-/media-typer-0.3.0.tgz",
@@ -9352,8 +9558,12 @@
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-      "integrity": "sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ==",
-      "dev": true
+      "integrity": "sha512-1nh45deeb5olNY7eX82BkPO7SSxR5SSYJiPTrTdFUVYwAl8CKMA5N9PjTYkHiRjisVcxcQ1HXdLhx2qxxJzLNQ=="
+    },
+    "node-abort-controller": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/node-abort-controller/-/node-abort-controller-1.0.4.tgz",
+      "integrity": "sha512-7cNtLKTAg0LrW3ViS2C7UfIzbL3rZd8L0++5MidbKqQVJ8yrH6+1VRSHl33P0ZjBTbOJd37d9EYekvHyKkB0QQ=="
     },
     "node-emoji": {
       "version": "1.10.0",
@@ -9373,6 +9583,11 @@
         "semver": "^5.7.0"
       }
     },
+    "node-fetch": {
+      "version": "2.6.0",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.0.tgz",
+      "integrity": "sha512-8dG4H5ujfvFiqDmVu9fQ5bOHUC15JMjMY/Zumv26oOvvVJjM67KF8koCWIabKQ1GJIa9r2mMZscBq/TbdOcmNA=="
+    },
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       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/node-modules-regexp/-/node-modules-regexp-1.0.0.tgz",
@@ -13138,7 +13353,6 @@
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-      "dev": true,
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@@ -13616,8 +13830,7 @@
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-      "integrity": "sha1-+M33eISCb+Tf+T46nMN7HkSAdC4=",
-      "dev": true
+      "integrity": "sha1-+M33eISCb+Tf+T46nMN7HkSAdC4="
     },
     "onetime": {
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@@ -13678,7 +13891,6 @@
       "version": "3.1.0",
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-      "dev": true,
       "requires": {
         "macos-release": "^2.2.0",
         "windows-release": "^3.1.0"
@@ -13757,8 +13969,7 @@
     "p-finally": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/p-finally/-/p-finally-1.0.0.tgz",
-      "integrity": "sha1-P7z7FbiZpEEjs0ttzBi3JDNqLK4=",
-      "dev": true
+      "integrity": "sha1-P7z7FbiZpEEjs0ttzBi3JDNqLK4="
     },
     "p-is-promise": {
       "version": "2.1.0",
@@ -13965,8 +14176,7 @@
     "path-key": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/path-key/-/path-key-2.0.1.tgz",
-      "integrity": "sha1-QRyttXTFoUDTpLGRDUDYDMn0C0A=",
-      "dev": true
+      "integrity": "sha1-QRyttXTFoUDTpLGRDUDYDMn0C0A="
     },
     "path-parse": {
       "version": "1.0.6",
@@ -15160,6 +15370,11 @@
         }
       }
     },
+    "priorityqueuejs": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/priorityqueuejs/-/priorityqueuejs-1.0.0.tgz",
+      "integrity": "sha1-LuTyPCVgkT4IwHzlzN1t498sWvg="
+    },
     "prism-media": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/prism-media/-/prism-media-1.2.1.tgz",
@@ -16141,6 +16356,11 @@
         }
       }
     },
+    "semaphore": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/semaphore/-/semaphore-1.1.0.tgz",
+      "integrity": "sha512-O4OZEaNtkMd/K0i6js9SL+gqy0ZCBMgUvlSqHKi4IBdjhe7wB8pwztUk1BbZ1fmrvpwFrPbHzqd2w5pTcJH6LA=="
+    },
     "semver": {
       "version": "5.7.0",
       "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
@@ -16343,7 +16563,6 @@
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-1.2.0.tgz",
       "integrity": "sha1-RKrGW2lbAzmJaMOfNj/uXer98eo=",
-      "dev": true,
       "requires": {
         "shebang-regex": "^1.0.0"
       }
@@ -16351,8 +16570,7 @@
     "shebang-regex": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/shebang-regex/-/shebang-regex-1.0.0.tgz",
-      "integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=",
-      "dev": true
+      "integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM="
     },
     "shelljs": {
       "version": "0.8.3",
@@ -16430,7 +16648,6 @@
       "version": "0.2.2",
       "resolved": "https://registry.npmjs.org/simple-swizzle/-/simple-swizzle-0.2.2.tgz",
       "integrity": "sha1-pNprY1/8zMoz9w0Xy5JZLeleVXo=",
-      "dev": true,
       "requires": {
         "is-arrayish": "^0.3.1"
       },
@@ -16438,8 +16655,7 @@
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           "version": "0.3.2",
           "resolved": "https://registry.npmjs.org/is-arrayish/-/is-arrayish-0.3.2.tgz",
-          "integrity": "sha512-eVRqCvVlZbuw3GrM63ovNSNAeA1K16kaR/LRY/92w0zxQ5/1YzwblUX652i4Xs9RwAGjW9d9y6X88t8OaAJfWQ==",
-          "dev": true
+          "integrity": "sha512-eVRqCvVlZbuw3GrM63ovNSNAeA1K16kaR/LRY/92w0zxQ5/1YzwblUX652i4Xs9RwAGjW9d9y6X88t8OaAJfWQ=="
         }
       }
     },
@@ -16797,8 +17013,7 @@
     "stack-trace": {
       "version": "0.0.10",
       "resolved": "https://registry.npmjs.org/stack-trace/-/stack-trace-0.0.10.tgz",
-      "integrity": "sha1-VHxws0fo0ytOEI6hoqFZ5f3eGcA=",
-      "dev": true
+      "integrity": "sha1-VHxws0fo0ytOEI6hoqFZ5f3eGcA="
     },
     "state-toggle": {
       "version": "1.0.2",
@@ -16910,8 +17125,7 @@
     "strip-eof": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/strip-eof/-/strip-eof-1.0.0.tgz",
-      "integrity": "sha1-u0P/VZim6wXYm1n80SnJgzE2Br8=",
-      "dev": true
+      "integrity": "sha1-u0P/VZim6wXYm1n80SnJgzE2Br8="
     },
     "strip-final-newline": {
       "version": "2.0.0",
@@ -17324,8 +17538,7 @@
     "text-hex": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/text-hex/-/text-hex-1.0.0.tgz",
-      "integrity": "sha512-uuVGNWzgJ4yhRaNSiubPY7OjISw4sw4E5Uv0wbjp+OzcbmVU/rsT8ujgcXJhn9ypzsgr5vlzpPqP+MBBKcGvbg==",
-      "dev": true
+      "integrity": "sha512-uuVGNWzgJ4yhRaNSiubPY7OjISw4sw4E5Uv0wbjp+OzcbmVU/rsT8ujgcXJhn9ypzsgr5vlzpPqP+MBBKcGvbg=="
     },
     "text-table": {
       "version": "0.2.0",
@@ -17606,8 +17819,7 @@
     "triple-beam": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/triple-beam/-/triple-beam-1.3.0.tgz",
-      "integrity": "sha512-XrHUvV5HpdLmIj4uVMxHggLbFSZYIn7HEWsqePZcI50pco+MPqJ50wMGY794X7AOOhxOBAjbkqfAbEe/QMp2Lw==",
-      "dev": true
+      "integrity": "sha512-XrHUvV5HpdLmIj4uVMxHggLbFSZYIn7HEWsqePZcI50pco+MPqJ50wMGY794X7AOOhxOBAjbkqfAbEe/QMp2Lw=="
     },
     "trough": {
       "version": "1.0.4",
@@ -18281,11 +18493,6 @@
       "resolved": "https://registry.npmjs.org/washyourmouthoutwithsoap/-/washyourmouthoutwithsoap-1.0.2.tgz",
       "integrity": "sha512-N008S6j3VoPgjUwvW1Q2roTYg9Xuy1LfR/R4BdjddhzM8YBNgIR4FpSQ9zVmNkvpi/fS9cfAQLSjWKXE3wQ1zA=="
     },
-    "wav-converter": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/wav-converter/-/wav-converter-1.0.0.tgz",
-      "integrity": "sha512-XQD5yFGMm+zXc9mkNSNDHZu3RKTgzWn1bs6WRV3QQQGy6wtAbFA1EtFDVwAuCWErNd8gXW6kt3pNEULgvI+jqw=="
-    },
     "weak-map": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/weak-map/-/weak-map-1.0.5.tgz",
@@ -18326,7 +18533,6 @@
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/windows-release/-/windows-release-3.2.0.tgz",
       "integrity": "sha512-QTlz2hKLrdqukrsapKsINzqMgOUpQW268eJ0OaOpJN32h272waxR9fkB9VoWRtK7uKHG5EHJcTXQBD8XZVJkFA==",
-      "dev": true,
       "requires": {
         "execa": "^1.0.0"
       }
@@ -18335,7 +18541,6 @@
       "version": "3.2.1",
       "resolved": "https://registry.npmjs.org/winston/-/winston-3.2.1.tgz",
       "integrity": "sha512-zU6vgnS9dAWCEKg/QYigd6cgMVVNwyTzKs81XZtTFuRwJOcDdBg7AU0mXVyNbs7O5RH2zdv+BdNZUlx7mXPuOw==",
-      "dev": true,
       "requires": {
         "async": "^2.6.1",
         "diagnostics": "^1.1.1",
@@ -18352,7 +18557,6 @@
           "version": "2.6.3",
           "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
           "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
-          "dev": true,
           "requires": {
             "lodash": "^4.17.14"
           }
@@ -18361,7 +18565,6 @@
           "version": "3.3.0",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.3.0.tgz",
           "integrity": "sha512-EsI+s3k3XsW+fU8fQACLN59ky34AZ14LoeVZpYwmZvldCFo0r0gnelwF2TcMjLor/BTL5aDJVBMkss0dthToPw==",
-          "dev": true,
           "requires": {
             "inherits": "^2.0.3",
             "string_decoder": "^1.1.1",
@@ -18372,7 +18575,6 @@
           "version": "1.2.0",
           "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.2.0.tgz",
           "integrity": "sha512-6YqyX6ZWEYguAxgZzHGL7SsCeGx3V2TtOTqZz1xSTSWnqsbWwbptafNyvf/ACquZUXV3DANr5BDIwNYe1mN42w==",
-          "dev": true,
           "requires": {
             "safe-buffer": "~5.1.0"
           }
@@ -18383,7 +18585,6 @@
       "version": "4.3.0",
       "resolved": "https://registry.npmjs.org/winston-transport/-/winston-transport-4.3.0.tgz",
       "integrity": "sha512-B2wPuwUi3vhzn/51Uukcao4dIduEiPOcOt9HJ3QeaXgkJ5Z7UwpBzxS4ZGNHtrxrUvTwemsQiSys0ihOf8Mp1A==",
-      "dev": true,
       "requires": {
         "readable-stream": "^2.3.6",
         "triple-beam": "^1.2.0"
@@ -18392,14 +18593,12 @@
         "process-nextick-args": {
           "version": "2.0.0",
           "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.0.tgz",
-          "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw==",
-          "dev": true
+          "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw=="
         },
         "readable-stream": {
           "version": "2.3.6",
           "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
           "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
-          "dev": true,
           "requires": {
             "core-util-is": "~1.0.0",
             "inherits": "~2.0.3",
@@ -18414,7 +18613,6 @@
           "version": "1.1.1",
           "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
           "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
-          "dev": true,
           "requires": {
             "safe-buffer": "~5.1.0"
           }
diff --git a/package.json b/package.json
index 19356cca..540c02dd 100644
--- a/package.json
+++ b/package.json
@@ -83,7 +83,9 @@
     "ngrok": "3.2.7",
     "npm": "6.13.4",
     "opn": "6.0.0",
+    "opusscript": "0.0.7",
     "pragmatismo-io-framework": "1.0.20",
+    "prism-media": "^1.2.1",
     "public-ip": "4.0.0",
     "reflect-metadata": "0.1.13",
     "request-promise": "4.2.5",
diff --git a/packages/core.gbapp/dialogs/WelcomeDialog.ts b/packages/core.gbapp/dialogs/WelcomeDialog.ts
index b50f1758..574b3540 100644
--- a/packages/core.gbapp/dialogs/WelcomeDialog.ts
+++ b/packages/core.gbapp/dialogs/WelcomeDialog.ts
@@ -58,7 +58,8 @@ export class WelcomeDialog extends IGBDialog {
       async step => {
 
         if (GBServer.globals.entryPointDialog !== null &&
-          min.instance.botId === process.env.BOT_ID)
+          min.instance.botId === process.env.BOT_ID && 
+          step.context.activity.channelId === "webchat")
         {
           return step.replaceDialog(GBServer.globals.entryPointDialog);
         }