diff --git a/src/main/java/org/asteriskjava/manager/event/AbstractMeetMeEvent.java b/src/main/java/org/asteriskjava/manager/event/AbstractMeetMeEvent.java
index 0a2bcbdc..cc969b02 100644
--- a/src/main/java/org/asteriskjava/manager/event/AbstractMeetMeEvent.java
+++ b/src/main/java/org/asteriskjava/manager/event/AbstractMeetMeEvent.java
@@ -26,11 +26,14 @@
  * @version $Id$
  */
 public abstract class AbstractMeetMeEvent extends ManagerEvent {
-    private static final long serialVersionUID = 1L;
+    private static final long serialVersionUID = 2L;
     private String channel;
     private String uniqueId;
     private String meetMe;
     private Integer user;
+    private String language;
+    private String accountCode;
+    private String linkedId;
 
     /**
      * @param source
@@ -143,4 +146,44 @@ public Integer getUser() {
     public void setUser(Integer userNum) {
         this.user = userNum;
     }
+
+    /**
+     * Get the account code associated with the current channel.
+     *
+     * @return the channel's account code
+     */
+    public String getAccountCode() {
+        return accountCode;
+    }
+
+    public void setAccountCode(String accountCode) {
+        this.accountCode = accountCode;
+    }
+
+    /**
+     * Get the language associated with the current channel.
+     *
+     * @return the channel's language
+     */
+    public String getLanguage() {
+        return language;
+    }
+
+    public void setLanguage(String language) {
+        this.language = language;
+    }
+
+    /**
+     * Get the linked ID of the channel, which ties this event to other related
+     * channel's events.
+     *
+     * @return the channel's linked ID
+     */
+    public String getLinkedId() {
+        return linkedId;
+    }
+
+    public void setLinkedId(String linkedId) {
+        this.linkedId = linkedId;
+    }
 }
diff --git a/src/main/java/org/asteriskjava/manager/event/DAHDIChannelEvent.java b/src/main/java/org/asteriskjava/manager/event/DAHDIChannelEvent.java
index 72134b02..40ab63d2 100644
--- a/src/main/java/org/asteriskjava/manager/event/DAHDIChannelEvent.java
+++ b/src/main/java/org/asteriskjava/manager/event/DAHDIChannelEvent.java
@@ -8,11 +8,24 @@ public class DAHDIChannelEvent extends ManagerEvent {
     /**
      *
      */
-    private static final long serialVersionUID = 1L;
+    private static final long serialVersionUID = 2L;
+
+    private Integer dahdigroup;
     private String dahdichannel;
     private String dahdispan;
     private String uniqueid;
     private String channel;
+    private String language;
+    private String accountCode;
+    private String linkedId;
+
+    public Integer getDahdigroup() {
+        return this.dahdigroup;
+    }
+
+    public void setDahdigroup(Integer dahdigroup) {
+        this.dahdigroup = dahdigroup;
+    }
 
     public String getDahdichannel() {
         return dahdichannel;
@@ -46,6 +59,30 @@ public void setChannel(String channel) {
         this.channel = channel;
     }
 
+    public String getLinkedId() {
+        return this.linkedId;
+    }
+
+    public void setLinkedId(String linkedid) {
+        this.linkedId = linkedid;
+    }
+
+    public String getLanguage() {
+        return this.language;
+    }
+
+    public void setLanguage(String language) {
+        this.language = language;
+    }
+
+    public String getAccountCode() {
+        return this.accountCode;
+    }
+
+    public void setAccountCode(String accountcode) {
+        this.accountCode = accountcode;
+    }
+
     public DAHDIChannelEvent(Object source) {
         super(source);
     }
diff --git a/src/main/java/org/asteriskjava/manager/event/MeetMeMuteEvent.java b/src/main/java/org/asteriskjava/manager/event/MeetMeMuteEvent.java
index bb14c824..ec7fcc47 100644
--- a/src/main/java/org/asteriskjava/manager/event/MeetMeMuteEvent.java
+++ b/src/main/java/org/asteriskjava/manager/event/MeetMeMuteEvent.java
@@ -29,8 +29,9 @@ public class MeetMeMuteEvent extends AbstractMeetMeEvent {
     /**
      * Serializable version identifier.
      */
-    private static final long serialVersionUID = -8554403451985143184L;
+    private static final long serialVersionUID = 1664651272460031885L;
 
+    private Integer duration;
     private Boolean status;
 
     /**
@@ -40,6 +41,19 @@ public MeetMeMuteEvent(Object source) {
         super(source);
     }
 
+    /**
+     * Returns how long the user has been in the conference.
+     *
+     * @return the duration, in seconds, the user has been in the conference
+     */
+    public Integer getDuration() {
+        return duration;
+    }
+
+    public void setDuration(Integer duration) {
+        this.duration = duration;
+    }
+
     /**
      * Returns whether the user was muted or unmuted.
      *
diff --git a/src/main/java/org/asteriskjava/manager/event/MeetMeTalkingEvent.java b/src/main/java/org/asteriskjava/manager/event/MeetMeTalkingEvent.java
index d37dafcd..bd2a3241 100644
--- a/src/main/java/org/asteriskjava/manager/event/MeetMeTalkingEvent.java
+++ b/src/main/java/org/asteriskjava/manager/event/MeetMeTalkingEvent.java
@@ -32,14 +32,28 @@ public class MeetMeTalkingEvent extends AbstractMeetMeEvent {
     /**
      * Serializable version identifier.
      */
-    private static final long serialVersionUID = -8554403451985143184L;
+    private static final long serialVersionUID = -1749014689947720722L;
 
+    private Integer duration;
     protected Boolean status = Boolean.TRUE;
 
     public MeetMeTalkingEvent(Object source) {
         super(source);
     }
 
+    /**
+     * Returns how long the user has been in the conference.
+     *
+     * @return the duration, in seconds, the user has been in the conference
+     */
+    public Integer getDuration() {
+        return duration;
+    }
+
+    public void setDuration(Integer duration) {
+        this.duration = duration;
+    }
+
     /**
      * Returns whether the user has started or stopped talking.<p>
      * Until Asterisk 1.2 Asterisk used different events to indicate start