diff --git a/CallfireApiClient.nuspec b/CallfireApiClient.nuspec
index d7f9156..ac31472 100644
--- a/CallfireApiClient.nuspec
+++ b/CallfireApiClient.nuspec
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?><package>
   <metadata>
     <id>CallfireApiClient</id>
-    <version>1.1.12</version>
+    <version>1.1.13</version>
     <title>CallFire API v2 client</title>
     <authors>
       Vladimir Mikhailov
@@ -15,6 +15,9 @@
     <description>C# client library for integration with Callfire REST API v2 services</description>
     <releaseNotes>Callfire API client Changelog
 =============================
+Version 1.1.13 - Dec 30 2016
+- minor fixes for get contacts history api
+
 Version 1.1.12 - Dec 28 2016
 - updated CallRecord dto to include originateTime, answerTime, duration, callerName and switchId fields
 - updated Webhook dto to include singleUse parameter
diff --git a/Changelog.txt b/Changelog.txt
index 5e93b2a..2938bfa 100644
--- a/Changelog.txt
+++ b/Changelog.txt
@@ -1,5 +1,8 @@
 Callfire API client Changelog
 =============================
+Version 1.1.13 - Dec 30 2016
+- minor fixes for get contacts history api
+
 Version 1.1.12 - Dec 28 2016
 - updated CallRecord dto to include originateTime, answerTime, duration, callerName and switchId fields
 - updated Webhook dto to include singleUse parameter
diff --git a/src/CallfireApiClient.IntegrationTests/Api/Contacts/ContactsApiIntegrationTest.cs b/src/CallfireApiClient.IntegrationTests/Api/Contacts/ContactsApiIntegrationTest.cs
index 9703d65..51d5f55 100644
--- a/src/CallfireApiClient.IntegrationTests/Api/Contacts/ContactsApiIntegrationTest.cs
+++ b/src/CallfireApiClient.IntegrationTests/Api/Contacts/ContactsApiIntegrationTest.cs
@@ -73,7 +73,7 @@ public void ContactsCRUD()
         }
 
         [Test]
-        public void GetObsoleteContactHistory()
+        public void GetContactHistory()
         {
             var request = new GetByIdRequest { Id = 1, Limit = 5 };
             var contactHistory = Client.ContactsApi.GetHistory(request);
@@ -82,18 +82,6 @@ public void GetObsoleteContactHistory()
             Console.WriteLine("ContactHistory:" + contactHistory);
         }
 
-        [Test]
-        public void GetContactHistory()
-        {
-            var request = new GetByIdRequest { Id = 1, Limit = 5 };
-            var contactHistory = Client.ContactsApi.GetHistory(1, 0, 0);
-            Assert.AreEqual(2, contactHistory.Calls.Count);
-
-            contactHistory = Client.ContactsApi.GetHistory(1);
-            Assert.AreEqual(2, contactHistory.Calls.Count);
-
-            Console.WriteLine("ContactHistory:" + contactHistory);
-        }
     }
 }
 
diff --git a/src/CallfireApiClient.IntegrationTests/Api/Numbers/NumbersApiIntegrationTest.cs b/src/CallfireApiClient.IntegrationTests/Api/Numbers/NumbersApiIntegrationTest.cs
index 54e4616..8324f58 100644
--- a/src/CallfireApiClient.IntegrationTests/Api/Numbers/NumbersApiIntegrationTest.cs
+++ b/src/CallfireApiClient.IntegrationTests/Api/Numbers/NumbersApiIntegrationTest.cs
@@ -9,7 +9,7 @@ namespace CallfireApiClient.IntegrationTests.Api.Numbers
     public class NumbersApiIntegrationTest : AbstractIntegrationTest
     {
         [Test]
-        public void FindTollfreeNumbers()
+        public void FindObsoleteTollfreeNumbers()
         {
             var request = new CommonFindRequest { Limit = 2 };
             var numbers = Client.NumbersApi.FindNumbersTollfree(request);
@@ -18,6 +18,24 @@ public void FindTollfreeNumbers()
             Console.WriteLine(numbers);
         }
 
+        [Test]
+        public void FindTollfreeNumbers()
+        {
+            var request = new FindTollfreeNumbersRequest
+            {
+                Limit = 2,
+                Pattern = "84*",
+                Fields = "items(number)"
+            };
+            var numbers = Client.NumbersApi.FindNumbersTollfree(request);
+            Assert.AreEqual(2, numbers.Count);
+            Assert.True(numbers[0].PhoneNumber.Contains("84"));
+            Assert.True(numbers[1].PhoneNumber.Contains("84"));
+            Assert.Null(numbers[0].NationalFormat);
+            Assert.Null(numbers[0].Region);
+            Console.WriteLine(numbers);
+        }
+
         [Test]
         public void FindNumbersLocal()
         {
diff --git a/src/CallfireApiClient.Tests/Api/Contacts/ContactsApiTest.cs b/src/CallfireApiClient.Tests/Api/Contacts/ContactsApiTest.cs
index b0eb3f3..4a3376a 100644
--- a/src/CallfireApiClient.Tests/Api/Contacts/ContactsApiTest.cs
+++ b/src/CallfireApiClient.Tests/Api/Contacts/ContactsApiTest.cs
@@ -120,7 +120,7 @@ public void Delete()
         }
 
         [Test]
-        public void GetObsoleteContactHistory()
+        public void GetContactHistory()
         {
             var expectedJson = GetJsonPayload("/contacts/contactsApi/response/getContactHistory.json");
             var restRequest = MockRestResponse(expectedJson);
@@ -140,50 +140,5 @@ public void GetObsoleteContactHistory()
             Assert.That(restRequest.Value.Parameters, Has.Some.Matches<Parameter>(p => p.Name.Equals("offset") && p.Value.Equals("5")));
         }
 
-        [Test]
-        public void GetContactHistoryById()
-        {
-            var expectedJson = GetJsonPayload("/contacts/contactsApi/response/getContactHistory.json");
-            var restRequest = MockRestResponse(expectedJson);
-
-            var contactHistory = Client.ContactsApi.GetHistory(1);
-            Assert.That(Serializer.Serialize(contactHistory), Is.EqualTo(expectedJson));
-
-            Assert.AreEqual(Method.GET, restRequest.Value.Method);
-            var requestBodyParam = restRequest.Value.Parameters.FirstOrDefault(p => p.Type == ParameterType.RequestBody);
-            Assert.IsNull(requestBodyParam);
-        }
-
-        [Test]
-        public void GetContactHistoryByIdAndLimit()
-        {
-            var expectedJson = GetJsonPayload("/contacts/contactsApi/response/getContactHistory.json");
-            var restRequest = MockRestResponse(expectedJson);
-           
-            var contactHistory = Client.ContactsApi.GetHistory(1, 1);
-            Assert.That(Serializer.Serialize(contactHistory), Is.EqualTo(expectedJson));
-
-            Assert.AreEqual(Method.GET, restRequest.Value.Method);
-            var requestBodyParam = restRequest.Value.Parameters.FirstOrDefault(p => p.Type == ParameterType.RequestBody);
-            Assert.IsNull(requestBodyParam);
-            Assert.That(restRequest.Value.Parameters, Has.Some.Matches<Parameter>(p => p.Name.Equals("limit") && p.Value.Equals("1")));
-        }
-
-        [Test]
-        public void GetContactHistoryByAllFilters()
-        {
-            var expectedJson = GetJsonPayload("/contacts/contactsApi/response/getContactHistory.json");
-            var restRequest = MockRestResponse(expectedJson);
-
-            var contactHistory = Client.ContactsApi.GetHistory(1, 1, 5);
-            Assert.That(Serializer.Serialize(contactHistory), Is.EqualTo(expectedJson));
-
-            Assert.AreEqual(Method.GET, restRequest.Value.Method);
-            var requestBodyParam = restRequest.Value.Parameters.FirstOrDefault(p => p.Type == ParameterType.RequestBody);
-            Assert.IsNull(requestBodyParam);
-            Assert.That(restRequest.Value.Parameters, Has.Some.Matches<Parameter>(p => p.Name.Equals("limit") && p.Value.Equals("1")));
-            Assert.That(restRequest.Value.Parameters, Has.Some.Matches<Parameter>(p => p.Name.Equals("offset") && p.Value.Equals("5")));
-            Assert.That(restRequest.Value.Parameters, Has.Some.Matches<Parameter>(p => p.Name.Equals("offset") && p.Value.Equals("5")));
-        }
     }
 }
\ No newline at end of file
diff --git a/src/CallfireApiClient.Tests/Api/Numbers/NumbersApiTest.cs b/src/CallfireApiClient.Tests/Api/Numbers/NumbersApiTest.cs
index 73536d3..e7e23bc 100644
--- a/src/CallfireApiClient.Tests/Api/Numbers/NumbersApiTest.cs
+++ b/src/CallfireApiClient.Tests/Api/Numbers/NumbersApiTest.cs
@@ -82,6 +82,26 @@ public void FindNumbersTollfree()
             Assert.That(restRequest.Value.Parameters, Has.Some.Matches<Parameter>(p => p.Name.Equals("offset") && p.Value.Equals("2")));
         }
 
+        [Test]
+        public void FindNumbersTollfreeWithPattern()
+        {
+            var expectedJson = GetJsonPayload("/numbers/numbersApi/response/findNumbersTollfree.json");
+            var restRequest = MockRestResponse(expectedJson);
+
+            var request = new FindTollfreeNumbersRequest
+            {
+                Pattern = "86*",
+                Limit = 1
+            };
+            var numbers = Client.NumbersApi.FindNumbersTollfree(request);
+            Assert.That(Serializer.Serialize(new ListHolder<Number>(numbers)), Is.EqualTo(expectedJson));
+
+            Assert.AreEqual(Method.GET, restRequest.Value.Method);
+            var requestBodyParam = restRequest.Value.Parameters.FirstOrDefault(p => p.Type == ParameterType.RequestBody);
+            Assert.IsNull(requestBodyParam);
+            Assert.That(restRequest.Value.Parameters, Has.Some.Matches<Parameter>(p => p.Name.Equals("pattern") && p.Value.Equals("86*")));
+            Assert.That(restRequest.Value.Parameters, Has.Some.Matches<Parameter>(p => p.Name.Equals("limit") && p.Value.Equals("1")));
+        }
     }
 }
 
diff --git a/src/CallfireApiClient/Api/Contacts/ContactsApi.cs b/src/CallfireApiClient/Api/Contacts/ContactsApi.cs
index 6e8e419..cb8c21d 100644
--- a/src/CallfireApiClient/Api/Contacts/ContactsApi.cs
+++ b/src/CallfireApiClient/Api/Contacts/ContactsApi.cs
@@ -120,32 +120,11 @@ public void Delete(long id)
         /// <exception cref="InternalServerErrorException"> in case HTTP response code is 500 - Internal Server Error.</exception>
         /// <exception cref="CallfireApiException">         in case HTTP response code is something different from codes listed above.</exception>
         /// <exception cref="CallfireClientException">      in case error has occurred in client.</exception>
-        [Obsolete]
         public ContactHistory GetHistory(GetByIdRequest request)
         {
             String path = CONTACTS_ITEM_HISTORY_PATH.ReplaceFirst(ClientConstants.PLACEHOLDER, request.Id.ToString());
             return Client.Get<ContactHistory>(path, request);
         }
 
-        /// <summary>
-        /// Find all texts and calls attributed to a contact.
-        /// </summary>
-        /// <param name="request">request to get particular contact's history</param>
-        /// <returns>a list of calls and texts a contact has been involved with.</returns>
-        /// <exception cref="BadRequestException">          in case HTTP response code is 400 - Bad request, the request was formatted improperly.</exception>
-        /// <exception cref="UnauthorizedException">        in case HTTP response code is 401 - Unauthorized, API Key missing or invalid.</exception>
-        /// <exception cref="AccessForbiddenException">     in case HTTP response code is 403 - Forbidden, insufficient permissions.</exception>
-        /// <exception cref="ResourceNotFoundException">    in case HTTP response code is 404 - NOT FOUND, the resource requested does not exist.</exception>
-        /// <exception cref="InternalServerErrorException"> in case HTTP response code is 500 - Internal Server Error.</exception>
-        /// <exception cref="CallfireApiException">         in case HTTP response code is something different from codes listed above.</exception>
-        /// <exception cref="CallfireClientException">      in case error has occurred in client.</exception>
-        public ContactHistory GetHistory(long id, long? limit = null, long? offset = null)
-        {
-            String path = CONTACTS_ITEM_HISTORY_PATH.ReplaceFirst(ClientConstants.PLACEHOLDER, id.ToString());
-            var queryParams = new List<KeyValuePair<string, object>>(2);
-            ClientUtils.AddQueryParamIfSet("limit", limit, queryParams);
-            ClientUtils.AddQueryParamIfSet("offset", offset, queryParams);
-            return Client.Get<ContactHistory>(path, queryParams);
-        }
     }
 }
\ No newline at end of file
diff --git a/src/CallfireApiClient/Api/Numbers/Model/Request/FindTollfreeNumbersRequest.cs b/src/CallfireApiClient/Api/Numbers/Model/Request/FindTollfreeNumbersRequest.cs
new file mode 100644
index 0000000..bbc8317
--- /dev/null
+++ b/src/CallfireApiClient/Api/Numbers/Model/Request/FindTollfreeNumbersRequest.cs
@@ -0,0 +1,32 @@
+using CallfireApiClient.Api.Common.Model;
+
+namespace CallfireApiClient.Api.Numbers.Model.Request
+{
+    /// <summary>
+    /// Contains fields for getting tollfree numbers
+    /// </summary>
+    public class FindTollfreeNumbersRequest : CallfireModel
+    {
+        /// <summary>
+        /// Filter toll free numbers by prefix, pattern must be 3 char long and should end with ''. Examples: 8**, 85, 87 (but 855 will fail because pattern must end with '').
+        ///</summary>
+        public string Pattern { get; set; }
+
+        /// <summary>
+        /// Get max number of records per page to return. If items.size() less than limit assume no more items.
+        /// If value not set, default is 100
+        /// </summary
+        public long? Limit { get; set; }
+
+        /// <summary>
+        /// Get limit fields returned. Example fields=id,items(name,agents(id))
+        ///</summary>
+        public string Fields { get; set; }
+
+
+        public override string ToString()
+        {
+            return string.Format("[FindRequest: Pattern={0}, Limit={1}, Fields={2}]", Pattern, Limit, Fields);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/CallfireApiClient/Api/Numbers/NumbersApi.cs b/src/CallfireApiClient/Api/Numbers/NumbersApi.cs
index d617b6c..a996471 100644
--- a/src/CallfireApiClient/Api/Numbers/NumbersApi.cs
+++ b/src/CallfireApiClient/Api/Numbers/NumbersApi.cs
@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using CallfireApiClient.Api.Numbers.Model;
 using CallfireApiClient.Api.Numbers.Model.Request;
 using CallfireApiClient.Api.Common.Model;
@@ -71,6 +72,22 @@ public IList<Number> FindNumbersTollfree(CommonFindRequest request)
             return Client.Get<ListHolder<Number>>(NUMBERS_TOLLFREE_PATH, request).Items;
         }
 
+        /// <summary>
+        /// Find numbers in the CallFire tollfree numbers catalog that are available for purchase.
+        /// </summary>
+        /// <param name="request">request object</param>
+        /// <returns>list of numbers</returns>
+        /// <exception cref="BadRequestException">          in case HTTP response code is 400 - Bad request, the request was formatted improperly.</exception>
+        /// <exception cref="UnauthorizedException">        in case HTTP response code is 401 - Unauthorized, API Key missing or invalid.</exception>
+        /// <exception cref="AccessForbiddenException">     in case HTTP response code is 403 - Forbidden, insufficient permissions.</exception>
+        /// <exception cref="ResourceNotFoundException">    in case HTTP response code is 404 - NOT FOUND, the resource requested does not exist.</exception>
+        /// <exception cref="InternalServerErrorException"> in case HTTP response code is 500 - Internal Server Error.</exception>
+        /// <exception cref="CallfireApiException">         in case HTTP response code is something different from codes listed above.</exception>
+        /// <exception cref="CallfireClientException">      in case error has occurred in client.</exception>
+        public IList<Number> FindNumbersTollfree(FindTollfreeNumbersRequest request)
+        {
+            return Client.Get<ListHolder<Number>>(NUMBERS_TOLLFREE_PATH, request).Items;
+        }
     }
 }
 
diff --git a/src/CallfireApiClient/CallfireApiClient.csproj b/src/CallfireApiClient/CallfireApiClient.csproj
index 7c3c6e6..e60c1d6 100644
--- a/src/CallfireApiClient/CallfireApiClient.csproj
+++ b/src/CallfireApiClient/CallfireApiClient.csproj
@@ -157,6 +157,7 @@
     <Compile Include="Api\Numbers\Model\Request\FindNumberLeaseConfigsRequest.cs" />
     <Compile Include="Api\Numbers\Model\Request\FindNumberLeasesRequest.cs" />
     <Compile Include="Api\Numbers\Model\Request\FindNumberRegionsRequest.cs" />
+    <Compile Include="Api\Numbers\Model\Request\FindTollfreeNumbersRequest.cs" />
     <Compile Include="Api\Numbers\Model\Request\FindNumbersLocalRequest.cs" />
     <Compile Include="Api\Numbers\Model\Request\NumberPurchaseRequest.cs" />
     <Compile Include="Api\Numbers\NumberLeasesApi.cs" />
diff --git a/src/CallfireApiClient/Properties/AssemblyInfo.cs b/src/CallfireApiClient/Properties/AssemblyInfo.cs
index 936f9f8..fde4b36 100644
--- a/src/CallfireApiClient/Properties/AssemblyInfo.cs
+++ b/src/CallfireApiClient/Properties/AssemblyInfo.cs
@@ -13,7 +13,7 @@
 // The form "{Major}.{Minor}.*" will automatically update the build and revision,
 // and "{Major}.{Minor}.{Build}.*" will update just the revision.
 
-[assembly: AssemblyVersion("1.1.12.*")]
+[assembly: AssemblyVersion("1.1.13.*")]
 
 // The following attributes are used to specify the signing key for the assembly,
 // if desired. See the Mono documentation for more information about signing.