diff --git a/package-lock.json b/package-lock.json
index 28a18f7..6117613 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -16,7 +16,7 @@
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         "@types/react": "^19.2.2",
         "@types/react-dom": "^19.2.2",
-        "bandwidth-rtc": "^0.2.0",
+        "bandwidth-rtc": "file:../javascript-brtc-sdk",
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         "cors": "^2.8.5",
         "dotenv": "^16.4.7",
@@ -79,6 +79,38 @@
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+      "version": "0.0.1",
+      "license": "MIT",
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+        "jwt-decode": "^4.0.0",
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+        "webrtc-adapter": "^9.0.3"
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-      "resolved": "https://bandwidth.jfrog.io/artifactory/api/npm/npm/node-gyp-build/-/node-gyp-build-4.8.4.tgz",
-      "integrity": "sha512-LA4ZjwlnUblHVgq0oBF3Jl/6h/Nvs5fzBLwdEF4nuxnFdsfajde4WfxtJr3CaiH+F6ewcIB/q4jQ4UzPyid+CQ==",
-      "license": "MIT",
-      "optional": true,
-      "bin": {
-        "node-gyp-build": "bin.js",
-        "node-gyp-build-optional": "optional.js",
-        "node-gyp-build-test": "build-test.js"
-      }
-    },
     "node_modules/node-int64": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/node-int64/-/node-int64-0.4.0.tgz",
@@ -14995,47 +14836,6 @@
         "node": ">= 18"
       }
     },
-    "node_modules/rpc-websockets": {
-      "version": "7.10.0",
-      "resolved": "https://bandwidth.jfrog.io/artifactory/api/npm/npm/rpc-websockets/-/rpc-websockets-7.10.0.tgz",
-      "integrity": "sha512-cemZ6RiDtYZpPiBzYijdOrkQQzmBCmug0E9SdRH2gIUNT15ql4mwCYWIp0VnSZq6Qrw/JkGUygp4PrK1y9KfwQ==",
-      "license": "LGPL-3.0-only",
-      "dependencies": {
-        "@babel/runtime": "^7.17.2",
-        "eventemitter3": "^4.0.7",
-        "uuid": "^8.3.2",
-        "ws": "^8.5.0"
-      },
-      "funding": {
-        "type": "paypal",
-        "url": "https://paypal.me/kozjak"
-      },
-      "optionalDependencies": {
-        "bufferutil": "^4.0.1",
-        "utf-8-validate": "^5.0.2"
-      }
-    },
-    "node_modules/rpc-websockets/node_modules/ws": {
-      "version": "8.19.0",
-      "resolved": "https://bandwidth.jfrog.io/artifactory/api/npm/npm/ws/-/ws-8.19.0.tgz",
-      "integrity": "sha512-blAT2mjOEIi0ZzruJfIhb3nps74PRWTCz1IjglWEEpQl5XS/UNama6u2/rjFkDDouqr4L67ry+1aGIALViWjDg==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=10.0.0"
-      },
-      "peerDependencies": {
-        "bufferutil": "^4.0.1",
-        "utf-8-validate": ">=5.0.2"
-      },
-      "peerDependenciesMeta": {
-        "bufferutil": {
-          "optional": true
-        },
-        "utf-8-validate": {
-          "optional": true
-        }
-      }
-    },
     "node_modules/run-parallel": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/run-parallel/-/run-parallel-1.2.0.tgz",
@@ -15291,12 +15091,6 @@
       "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-1.0.0.tgz",
       "integrity": "sha512-NM8/P9n3XjXhIZn1lLhkFaACTOURQXjWhV4BA/RnOv8xvgqtqpAX9IO4mRQxSx1Rlo4tqzeqb0sOlruaOy3dug=="
     },
-    "node_modules/sdp": {
-      "version": "3.2.1",
-      "resolved": "https://bandwidth.jfrog.io/artifactory/api/npm/npm/sdp/-/sdp-3.2.1.tgz",
-      "integrity": "sha512-lwsAIzOPlH8/7IIjjz3K0zYBk7aBVVcvjMwt3M4fLxpjMYyy7i3I97SLHebgn4YBjirkzfp3RvRDWSKsh/+WFw==",
-      "license": "MIT"
-    },
     "node_modules/select-hose": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/select-hose/-/select-hose-2.0.0.tgz",
@@ -16503,19 +16297,6 @@
         }
       }
     },
-    "node_modules/tailwindcss/node_modules/yaml": {
-      "version": "2.8.1",
-      "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.8.1.tgz",
-      "integrity": "sha512-lcYcMxX2PO9XMGvAJkJ3OsNMw+/7FKes7/hgerGUYWIoWu5j/+YQqcZr5JnPZWzOsEBgMbSbiSTn/dv/69Mkpw==",
-      "optional": true,
-      "peer": true,
-      "bin": {
-        "yaml": "bin.mjs"
-      },
-      "engines": {
-        "node": ">= 14.6"
-      }
-    },
     "node_modules/tapable": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/tapable/-/tapable-2.3.0.tgz",
@@ -16748,70 +16529,6 @@
       "resolved": "https://registry.npmjs.org/ts-interface-checker/-/ts-interface-checker-0.1.13.tgz",
       "integrity": "sha512-Y/arvbn+rrz3JCKl9C4kVNfTfSm2/mEp5FSz5EsZSANGPSlQrpRI5M4PKF+mJnE52jOO90PnPSc3Ur3bTQw0gA=="
     },
-    "node_modules/ts-node": {
-      "version": "10.9.2",
-      "resolved": "https://registry.npmjs.org/ts-node/-/ts-node-10.9.2.tgz",
-      "integrity": "sha512-f0FFpIdcHgn8zcPSbf1dRevwt047YMnaiJM3u2w2RewrB+fob/zePZcrOyQoLMMO7aBIddLcQIEK5dYjkLnGrQ==",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "@cspotcode/source-map-support": "^0.8.0",
-        "@tsconfig/node10": "^1.0.7",
-        "@tsconfig/node12": "^1.0.7",
-        "@tsconfig/node14": "^1.0.0",
-        "@tsconfig/node16": "^1.0.2",
-        "acorn": "^8.4.1",
-        "acorn-walk": "^8.1.1",
-        "arg": "^4.1.0",
-        "create-require": "^1.1.0",
-        "diff": "^4.0.1",
-        "make-error": "^1.1.1",
-        "v8-compile-cache-lib": "^3.0.1",
-        "yn": "3.1.1"
-      },
-      "bin": {
-        "ts-node": "dist/bin.js",
-        "ts-node-cwd": "dist/bin-cwd.js",
-        "ts-node-esm": "dist/bin-esm.js",
-        "ts-node-script": "dist/bin-script.js",
-        "ts-node-transpile-only": "dist/bin-transpile.js",
-        "ts-script": "dist/bin-script-deprecated.js"
-      },
-      "peerDependencies": {
-        "@swc/core": ">=1.2.50",
-        "@swc/wasm": ">=1.2.50",
-        "@types/node": "*",
-        "typescript": ">=2.7"
-      },
-      "peerDependenciesMeta": {
-        "@swc/core": {
-          "optional": true
-        },
-        "@swc/wasm": {
-          "optional": true
-        }
-      }
-    },
-    "node_modules/ts-node/node_modules/acorn-walk": {
-      "version": "8.3.4",
-      "resolved": "https://registry.npmjs.org/acorn-walk/-/acorn-walk-8.3.4.tgz",
-      "integrity": "sha512-ueEepnujpqee2o5aIYnvHU6C0A42MNdsIDeqy5BydrkuC5R1ZuUFnm27EeFJGoEHJQgn3uleRvmTXaJgfXbt4g==",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "acorn": "^8.11.0"
-      },
-      "engines": {
-        "node": ">=0.4.0"
-      }
-    },
-    "node_modules/ts-node/node_modules/arg": {
-      "version": "4.1.3",
-      "resolved": "https://registry.npmjs.org/arg/-/arg-4.1.3.tgz",
-      "integrity": "sha512-58S9QDqG0Xx27YwPSt9fJxivjYl432YCwfDMfZ+71RAqUrZef7LrKQZ3LHLOwCS4FLNBplP533Zx895SeOCHvA==",
-      "optional": true,
-      "peer": true
-    },
     "node_modules/tsconfig-paths": {
       "version": "3.15.0",
       "resolved": "https://registry.npmjs.org/tsconfig-paths/-/tsconfig-paths-3.15.0.tgz",
@@ -17185,20 +16902,6 @@
         "requires-port": "^1.0.0"
       }
     },
-    "node_modules/utf-8-validate": {
-      "version": "5.0.10",
-      "resolved": "https://bandwidth.jfrog.io/artifactory/api/npm/npm/utf-8-validate/-/utf-8-validate-5.0.10.tgz",
-      "integrity": "sha512-Z6czzLq4u8fPOyx7TU6X3dvUZVvoJmxSQ+IcrlmagKhilxlhZgxPK6C5Jqbkw1IDUmFTM+cz9QDnnLTwDz/2gQ==",
-      "hasInstallScript": true,
-      "license": "MIT",
-      "optional": true,
-      "dependencies": {
-        "node-gyp-build": "^4.3.0"
-      },
-      "engines": {
-        "node": ">=6.14.2"
-      }
-    },
     "node_modules/util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
@@ -17239,13 +16942,6 @@
         "uuid": "dist/bin/uuid"
       }
     },
-    "node_modules/v8-compile-cache-lib": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/v8-compile-cache-lib/-/v8-compile-cache-lib-3.0.1.tgz",
-      "integrity": "sha512-wa7YjyUGfNZngI/vtK0UHAN+lgDCxBPCylVXGp0zu59Fz5aiGtNXaq3DhIov063MorB+VfufLh3JlF2KdTK3xg==",
-      "optional": true,
-      "peer": true
-    },
     "node_modules/v8-to-istanbul": {
       "version": "8.1.1",
       "resolved": "https://registry.npmjs.org/v8-to-istanbul/-/v8-to-istanbul-8.1.1.tgz",
@@ -17790,19 +17486,6 @@
         "node": ">=4.0"
       }
     },
-    "node_modules/webrtc-adapter": {
-      "version": "9.0.3",
-      "resolved": "https://bandwidth.jfrog.io/artifactory/api/npm/npm/webrtc-adapter/-/webrtc-adapter-9.0.3.tgz",
-      "integrity": "sha512-5fALBcroIl31OeXAdd1YUntxiZl1eHlZZWzNg3U4Fn+J9/cGL3eT80YlrsWGvj2ojuz1rZr2OXkgCzIxAZ7vRQ==",
-      "license": "BSD-3-Clause",
-      "dependencies": {
-        "sdp": "^3.2.0"
-      },
-      "engines": {
-        "node": ">=6.0.0",
-        "npm": ">=3.10.0"
-      }
-    },
     "node_modules/websocket-driver": {
       "version": "0.7.4",
       "resolved": "https://registry.npmjs.org/websocket-driver/-/websocket-driver-0.7.4.tgz",
@@ -18424,16 +18107,6 @@
         "node": ">=10"
       }
     },
-    "node_modules/yn": {
-      "version": "3.1.1",
-      "resolved": "https://registry.npmjs.org/yn/-/yn-3.1.1.tgz",
-      "integrity": "sha512-Ux4ygGWsu2c7isFWe8Yu1YluJmqVhxqK2cLXNQA5AcC3QfbGNpM7fu0Y8b/z16pXLnFxZYvWhd3fhBY9DLmC6Q==",
-      "optional": true,
-      "peer": true,
-      "engines": {
-        "node": ">=6"
-      }
-    },
     "node_modules/yocto-queue": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
diff --git a/package.json b/package.json
index 61337a8..e9bb6c9 100644
--- a/package.json
+++ b/package.json
@@ -13,7 +13,7 @@
     "@types/node": "^16.18.126",
     "@types/react": "^19.2.2",
     "@types/react-dom": "^19.2.2",
-    "bandwidth-rtc": "^0.2.0",
+    "bandwidth-rtc": "file:../javascript-brtc-sdk",
     "bandwidth-sdk": "^7.3.0",
     "cors": "^2.8.5",
     "dotenv": "^16.4.7",
diff --git a/src/components/CallController.tsx b/src/components/CallController.tsx
index e8e97aa..0d62757 100644
--- a/src/components/CallController.tsx
+++ b/src/components/CallController.tsx
@@ -82,6 +82,18 @@ function CallController({bandwidthRtcClient, readyMetadata, inCall, setInCall}:
     const [callStatus, setCallStatus] = useState('Select Connection Target');
     const [endpointTarget, setEndpointTarget] = useState('');
     const [endpointType, setEndpointType] = useState<EndpointType>(EndpointType.PHONE_NUMBER);
+    const [dtmfDuration, setDtmfDuration] = useState<number>(300);
+    const [dtmfSequence, setDtmfSequence] = useState<string>('');
+
+    const handleSendDtmfSequence = () => {
+        console.log(`Sending DTMF sequence: ${dtmfSequence}, duration: ${dtmfDuration}ms`);
+        try {
+            bandwidthRtcClient.sendDtmf(dtmfSequence, undefined, dtmfDuration);
+        } catch (err) {
+            console.error('sendDtmf sequence failed:', err);
+        }
+        setDtmfSequence('');
+    };
 
 
     const handleBackspaceClick = () => {
@@ -107,7 +119,16 @@ function CallController({bandwidthRtcClient, readyMetadata, inCall, setInCall}:
     }
 
     const handleDigitClick = (value: string) => {
-        inCall ? bandwidthRtcClient.sendDtmf(value) : setDestNumber((destNumber) => destNumber.concat(value));
+        if (inCall) {
+            console.log(`Sending DTMF: ${value}, duration: ${dtmfDuration}ms`);
+            try {
+                bandwidthRtcClient.sendDtmf(value, undefined, dtmfDuration);
+            } catch (err) {
+                console.error('sendDtmf failed:', err);
+            }
+        } else {
+            setDestNumber((destNumber) => destNumber.concat(value));
+        }
     }
     const handlePhoneNumber = (event: React.ChangeEvent<HTMLInputElement>) => {
         setDestNumber((destNumber) => event.target.value);
@@ -185,6 +206,31 @@ function CallController({bandwidthRtcClient, readyMetadata, inCall, setInCall}:
                     <div className='call-controls'>
                         <CallControlButton {...backspaceButtonProps} />
                     </div>
+                    {inCall && (
+                        <div className='dtmf-duration-control'>
+                            <label htmlFor='dtmf-duration'>Tone Duration (ms)</label>
+                            <input
+                                id='dtmf-duration'
+                                type='number'
+                                min={40}
+                                max={6000}
+                                value={dtmfDuration}
+                                onChange={e => setDtmfDuration(Number(e.target.value))}
+                            />
+                        </div>
+                    )}
+                    {inCall && (
+                        <div className='dtmf-sequence-control'>
+                            <input
+                                type='text'
+                                placeholder='e.g. 1234#'
+                                value={dtmfSequence}
+                                onChange={e => setDtmfSequence(e.target.value.replace(/[^0-9a-dA-D#*]/g, ''))}
+                                onKeyDown={e => e.key === 'Enter' && handleSendDtmfSequence()}
+                            />
+                            <button onClick={handleSendDtmfSequence} disabled={!dtmfSequence}>Send DTMF</button>
+                        </div>
+                    )}
                     <DigitGrid onClick={handleDigitClick} />
                 </>
             )}
diff --git a/src/components/MediaCapture.tsx b/src/components/MediaCapture.tsx
index c3fa701..cba49ce 100644
--- a/src/components/MediaCapture.tsx
+++ b/src/components/MediaCapture.tsx
@@ -90,6 +90,7 @@ function MediaCapture({bandwidthRtcClient}: {bandwidthRtcClient: BandwidthRtc} )
         }
         ctx.lineTo(ctx.canvas.width, ctx.canvas.height / 2);
         ctx.stroke();
+
         requestAnimationFrame(drawFFT);
     };