diff --git a/app/services/filter_service.rb b/app/services/filter_service.rb
index e855ea52c..9715ba7fc 100644
--- a/app/services/filter_service.rb
+++ b/app/services/filter_service.rb
@@ -14,18 +14,16 @@ class FilterService
 
   def filter_operation(query_hash, current_index)
     case query_hash[:filter_operator]
-    when 'equal_to'
+    when 'equal_to', 'not_equal_to'
       @filter_values["value_#{current_index}"] = filter_values(query_hash)
-      "IN (:value_#{current_index})"
-    when 'not_equal_to'
-      @filter_values["value_#{current_index}"] = filter_values(query_hash)
-      "NOT IN (:value_#{current_index})"
-    when 'contains'
+      equals_to_filter_string(query_hash[:filter_operator], current_index)
+    when 'contains', 'does_not_contain'
       @filter_values["value_#{current_index}"] = "%#{filter_values(query_hash)}%"
-      "LIKE :value_#{current_index}"
-    when 'does_not_contain'
-      @filter_values["value_#{current_index}"] = "%#{filter_values(query_hash)}%"
-      "NOT LIKE :value_#{current_index}"
+      like_filter_string(query_hash[:filter_operator], current_index)
+    when 'is_present'
+      @filter_values["value_#{current_index}"] = 'IS NOT NULL'
+    when 'is_not_present'
+      @filter_values["value_#{current_index}"] = 'IS NULL'
     else
       @filter_values["value_#{current_index}"] = filter_values(query_hash).to_s
       "= :value_#{current_index}"
@@ -47,4 +45,18 @@ class FilterService
       @conversations.count
     ]
   end
+
+  private
+
+  def equals_to_filter_string(filter_operator, current_index)
+    return  "IN (:value_#{current_index})" if filter_operator == 'equal_to'
+
+    "NOT IN (:value_#{current_index})"
+  end
+
+  def like_filter_string(filter_operator, current_index)
+    return "LIKE :value_#{current_index}" if filter_operator == 'contains'
+
+    "NOT LIKE :value_#{current_index}"
+  end
 end
diff --git a/lib/filters/filter_keys.json b/lib/filters/filter_keys.json
index 4edcd389e..6c284d1b5 100644
--- a/lib/filters/filter_keys.json
+++ b/lib/filters/filter_keys.json
@@ -35,7 +35,7 @@
       "filter_operators": [ "equal_to", "not_equal_to", "contains", "does_not_contain", "is_present", "is_not_present" ],
       "attribute_type": "standard"
     },
-    "id": {
+    "display_id": {
       "attribute_name": "Conversation Identifier",
       "input_type": "textbox",
       "data_type": "Number",
diff --git a/spec/services/conversations/filter_service_spec.rb b/spec/services/conversations/filter_service_spec.rb
index 02430c197..4ee9450c9 100644
--- a/spec/services/conversations/filter_service_spec.rb
+++ b/spec/services/conversations/filter_service_spec.rb
@@ -6,15 +6,17 @@ describe ::Conversations::FilterService do
   let!(:account) { create(:account) }
   let!(:user_1) { create(:user, account: account) }
   let!(:user_2) { create(:user, account: account) }
+  let!(:campaign_1) { create(:campaign, title: 'Test Campaign', account: account) }
+  let!(:campaign_2) { create(:campaign, title: 'Campaign', account: account) }
   let!(:inbox) { create(:inbox, account: account, enable_auto_assignment: false) }
 
   before do
     create(:inbox_member, user: user_1, inbox: inbox)
     create(:inbox_member, user: user_2, inbox: inbox)
     create(:conversation, account: account, inbox: inbox, assignee: user_1)
-    create(:conversation, account: account, inbox: inbox, assignee: user_1,
+    create(:conversation, account: account, inbox: inbox, assignee: user_1, campaign_id: campaign_1.id,
                           status: 'pending', additional_attributes: { 'browser_language': 'en' })
-    create(:conversation, account: account, inbox: inbox, assignee: user_1,
+    create(:conversation, account: account, inbox: inbox, assignee: user_1, campaign_id: campaign_2.id,
                           status: 'pending', additional_attributes: { 'browser_language': 'en' })
     create(:conversation, account: account, inbox: inbox, assignee: user_2)
     # unassigned conversation
@@ -29,14 +31,14 @@ describe ::Conversations::FilterService do
         [
           {
             attribute_key: 'browser_language',
-            filter_operator: 'equal_to',
-            values: ['en'],
+            filter_operator: 'contains',
+            values: 'en',
             query_operator: 'AND'
           }.with_indifferent_access,
           {
             attribute_key: 'status',
-            filter_operator: 'equal_to',
-            values: %w[open pending],
+            filter_operator: 'not_equal_to',
+            values: %w[resolved],
             query_operator: nil
           }.with_indifferent_access
         ]
@@ -71,6 +73,30 @@ describe ::Conversations::FilterService do
         result = filter_service.new(params, user_1).perform
         expect(result.length).to be 2
       end
+
+      it 'filter conversations by is_present filter_operator' do
+        params[:payload] = [
+          {
+            attribute_key: 'assignee_id',
+            filter_operator: 'equal_to',
+            values: [
+              user_1.id,
+              user_2.id
+            ],
+            query_operator: 'AND'
+          }.with_indifferent_access,
+          {
+            attribute_key: 'campaign_id',
+            filter_operator: 'is_present',
+            values: [],
+            query_operator: nil
+          }.with_indifferent_access
+        ]
+        result = filter_service.new(params, user_1).perform
+
+        expect(result[:count][:all_count]).to be 2
+        expect(result[:conversations].pluck(:campaign_id).sort).to eq [campaign_2.id, campaign_1.id].sort
+      end
     end
   end
 end