update stop ringbacktone

appbuilder-ios/NexilisLite/NexilisLite/Source/View/Call/QmeraAudioViewController.swift

@@ -808,6 +808,9 @@ class QmeraAudioViewController: UIViewController {
                     }
                 }
             } else if state == Nexilis.AUDIO_CALL_OFFHOOK || (!ticketId.isEmpty && state == Nexilis.VIDEO_CALL_OFFHOOK) {
+                if isOutgoing {
+                    Nexilis.ringbacktonePlayer?.stop()
+                }
                 if users.count == 1 && firstCall {
                     DispatchQueue.main.async {
                         if !self.ticketId.isEmpty {

appbuilder-ios/NexilisLite/NexilisLite/Source/View/Call/QmeraVideoViewController.swift

@@ -999,6 +999,9 @@ class QmeraVideoViewController: UIViewController {
             }
         }
         else if (state == Nexilis.VIDEO_CALL_OFFHOOK) {
+            if isInisiator {
+                Nexilis.ringbacktonePlayer?.stop()
+            }
             let channel = arrayMessage[3]
             remoteChannel[String(channel)] = String(arrayMessage[5])
             DispatchQueue.main.async {