1:  package com.voipplus.mmsclient.Sip;

   2:  

   3:  public enum SipState {

   4:      IDLE,            // Initial state

   5:      REGISTERING,     // Attempting to register SIP account

   6:      REGISTERED,      // SIP registration successful

   7:      CALLING,         // Initiating a SIP call

   8:      IN_CALL,         // Call is active

   9:      DISCONNECTING,   // Disconnecting the SIP call

  10:      ERROR            // An error occurred

  11:  }

  12: