diff --git a/mobile/package.json b/mobile/package.json
index c1ac6a8..e4ccc2b 100644
--- a/mobile/package.json
+++ b/mobile/package.json
@@ -10,6 +10,7 @@
     "ios": "cap open ios"
   },
   "dependencies": {
+    "audio-route": "file:plugins/audio-route",
     "@capacitor-community/safe-area": "^7.0.0",
     "@capacitor/android": "^7.0.0",
     "@capacitor/app": "^7.0.0",
diff --git a/mobile/plugins/audio-route/AudioRoutePlugin.podspec b/mobile/plugins/audio-route/AudioRoutePlugin.podspec
new file mode 100644
index 0000000..33586ab
--- /dev/null
+++ b/mobile/plugins/audio-route/AudioRoutePlugin.podspec
@@ -0,0 +1,17 @@
+require 'json'
+
+package = JSON.parse(File.read(File.join(__dir__, 'package.json')))
+
+Pod::Spec.new do |s|
+  s.name = 'AudioRoutePlugin'
+  s.version = package['version']
+  s.summary = package['description']
+  s.license = package['license']
+  s.homepage = 'https://bizgaze.com'
+  s.author = 'BizGaze'
+  s.source = { :git => 'https://bizgaze.com/audio-route.git', :tag => s.version.to_s }
+  s.source_files = 'ios/Sources/**/*.{swift,h,m}'
+  s.ios.deployment_target = '14.0'
+  s.dependency 'Capacitor'
+  s.swift_version = '5.1'
+end
diff --git a/mobile/plugins/audio-route/ios/Sources/AudioRoutePlugin/AudioRoutePlugin.swift b/mobile/plugins/audio-route/ios/Sources/AudioRoutePlugin/AudioRoutePlugin.swift
new file mode 100644
index 0000000..cc8e54b
--- /dev/null
+++ b/mobile/plugins/audio-route/ios/Sources/AudioRoutePlugin/AudioRoutePlugin.swift
@@ -0,0 +1,35 @@
+import Foundation
+import Capacitor
+import AVFoundation
+
+// Earpiece <-> speaker toggle for calls. Registered by cap sync as a normal Capacitor plugin package, so it
+// appears as window.Capacitor.Plugins.AudioRoute (unlike an app-embedded class, which gets stripped/not
+// discovered in release builds). setSpeaker({on}) overrides the AVAudioSession output port.
+@objc(AudioRoutePlugin)
+public class AudioRoutePlugin: CAPPlugin, CAPBridgedPlugin {
+    public let identifier = "AudioRoutePlugin"
+    public let jsName = "AudioRoute"
+    public let pluginMethods: [CAPPluginMethod] = [
+        CAPPluginMethod(name: "setSpeaker", returnType: CAPPluginReturnPromise)
+    ]
+
+    override public func load() {
+        // Default calls to the loudspeaker when the plugin initialises (iOS uses the quiet earpiece otherwise).
+        let session = AVAudioSession.sharedInstance()
+        try? session.setCategory(.playAndRecord, mode: .voiceChat, options: [.defaultToSpeaker, .allowBluetooth, .allowBluetoothA2DP])
+        try? session.setActive(true)
+    }
+
+    @objc func setSpeaker(_ call: CAPPluginCall) {
+        let on = call.getBool("on") ?? true
+        let session = AVAudioSession.sharedInstance()
+        do {
+            try session.setCategory(.playAndRecord, mode: .voiceChat, options: [.allowBluetooth, .allowBluetoothA2DP])
+            try session.setActive(true)
+            try session.overrideOutputAudioPort(on ? .speaker : .none)
+            call.resolve(["route": on ? "speaker" : "earpiece"])
+        } catch {
+            call.reject(error.localizedDescription)
+        }
+    }
+}
diff --git a/mobile/plugins/audio-route/package.json b/mobile/plugins/audio-route/package.json
new file mode 100644
index 0000000..602014d
--- /dev/null
+++ b/mobile/plugins/audio-route/package.json
@@ -0,0 +1,26 @@
+{
+  "name": "audio-route",
+  "version": "1.0.0",
+  "description": "iOS earpiece/speaker audio route toggle for Biz Connect",
+  "main": "dist/plugin.cjs.js",
+  "module": "dist/esm/index.js",
+  "types": "dist/esm/index.d.ts",
+  "author": "BizGaze",
+  "license": "MIT",
+  "files": [
+    "dist/",
+    "ios/",
+    "AudioRoutePlugin.podspec"
+  ],
+  "capacitor": {
+    "ios": {
+      "src": "ios"
+    }
+  },
+  "devDependencies": {
+    "@capacitor/core": "^7.0.0"
+  },
+  "peerDependencies": {
+    "@capacitor/core": "^7.0.0"
+  }
+}
diff --git a/mobile/scripts/inject-audio.js b/mobile/scripts/inject-audio.js
index 1aad213..29b166c 100644
--- a/mobile/scripts/inject-audio.js
+++ b/mobile/scripts/inject-audio.js
@@ -1,30 +1,20 @@
-// Patch the freshly-generated Capacitor iOS AppDelegate for call audio. Run on Codemagic (macOS) from
-// ios-patch.sh:   node mobile/scripts/inject-audio.js mobile/ios/App/App/AppDelegate.swift
-// It does two things, both TOLERANT (exits 0 and no-ops if the template doesn't match, so it can NEVER
-// fail the build):
-//   1. At launch, set the AVAudioSession so calls DEFAULT to the loudspeaker (iOS uses the quiet earpiece).
-//   2. Append an AudioRoute Capacitor plugin (Capacitor 7 auto-registers any CAPBridgedPlugin in the app
-//      target) so the web can switch earpiece<->speaker at runtime via
-//      window.Capacitor.Plugins.AudioRoute.setSpeaker({ on: true|false }).
-// If the plugin fails to register for any reason, the web call simply no-ops — it cannot crash the app.
+// Patch the freshly-generated Capacitor iOS AppDelegate so calls DEFAULT to the loudspeaker at launch
+// (iOS uses the quiet earpiece otherwise). Run on Codemagic (macOS) from ios-patch.sh:
+//   node mobile/scripts/inject-audio.js mobile/ios/App/App/AppDelegate.swift
+// TOLERANT: exits 0 and no-ops if the template doesn't match, so it can NEVER fail the build.
+// NOTE: the earpiece<->speaker TOGGLE is provided by the local Capacitor plugin package mobile/plugins/
+// audio-route (registered by cap sync, like @capacitor/share). This file only sets the launch default.
 const fs = require('fs');
 const p = process.argv[2];
 if (!p || !fs.existsSync(p)) { console.log('  (AppDelegate.swift not found — audio patch skipped)'); process.exit(0); }
 try {
   let s = fs.readFileSync(p, 'utf8');
-  if (s.includes('AudioRoutePlugin')) { console.log('  audio already patched'); process.exit(0); }
+  if (s.includes('.defaultToSpeaker')) { console.log('  audio launch-default already patched'); process.exit(0); }
   const orig = s;
-
-  // ---- imports ----
   if (!s.includes('import AVFoundation')) {
     if (s.includes('import Capacitor')) s = s.replace('import Capacitor', 'import Capacitor\nimport AVFoundation');
     else if (s.includes('import UIKit')) s = s.replace('import UIKit', 'import UIKit\nimport AVFoundation');
   }
-  if (!s.includes('import Capacitor')) {
-    if (s.includes('import UIKit')) s = s.replace('import UIKit', 'import UIKit\nimport Capacitor');
-  }
-
-  // ---- 1) launch: default call audio to the loudspeaker ----
   const launch = [
     '        // Default call audio to the loudspeaker (iOS uses the quiet earpiece otherwise).',
     '        do {',
@@ -35,38 +25,8 @@ try {
     '',
   ].join('\n');
   const m = s.match(/func\s+application\([^)]*didFinishLaunchingWithOptions[^)]*\)\s*->\s*Bool\s*\{[^\n]*\n/);
-  if (m && !s.includes('.defaultToSpeaker')) { const idx = m.index + m[0].length; s = s.slice(0, idx) + launch + s.slice(idx); }
-
-  // ---- 2) append the AudioRoute plugin (earpiece/speaker toggle) ----
-  const plugin = [
-    '',
-    '// Earpiece <-> speaker toggle for calls. Capacitor 7 auto-registers any CAPBridgedPlugin in the app',
-    '// target, so the web calls window.Capacitor.Plugins.AudioRoute.setSpeaker({ on: true|false }).',
-    '@objc(AudioRoutePlugin)',
-    'public class AudioRoutePlugin: CAPPlugin, CAPBridgedPlugin {',
-    '    public let identifier = "AudioRoutePlugin"',
-    '    public let jsName = "AudioRoute"',
-    '    public let pluginMethods: [CAPPluginMethod] = [',
-    '        CAPPluginMethod(name: "setSpeaker", returnType: CAPPluginReturnPromise)',
-    '    ]',
-    '    @objc func setSpeaker(_ call: CAPPluginCall) {',
-    '        let on = call.getBool("on") ?? true',
-    '        let session = AVAudioSession.sharedInstance()',
-    '        do {',
-    '            try session.setCategory(.playAndRecord, mode: .voiceChat, options: [.allowBluetooth, .allowBluetoothA2DP])',
-    '            try session.setActive(true)',
-    '            try session.overrideOutputAudioPort(on ? .speaker : .none)',
-    '            call.resolve(["route": on ? "speaker" : "earpiece"])',
-    '        } catch {',
-    '            call.reject(error.localizedDescription)',
-    '        }',
-    '    }',
-    '}',
-    '',
-  ].join('\n');
-  s = s + plugin;
-
-  if (s !== orig) { fs.writeFileSync(p, s); console.log('  AVAudioSession default-to-speaker + AudioRoute plugin injected'); }
+  if (m) { const idx = m.index + m[0].length; s = s.slice(0, idx) + launch + s.slice(idx); }
+  if (s !== orig && s.includes('.defaultToSpeaker')) { fs.writeFileSync(p, s); console.log('  AVAudioSession launch default-to-speaker injected'); }
   else { console.log('  (AppDelegate pattern not matched — audio patch skipped)'); }
 } catch (e) {
   console.log('  (audio patch error, skipped: ' + (e && e.message) + ')');