diff --git a/sdk/communication/Azure.Communication.Administration/api/Azure.Communication.Administration.netstandard2.0.cs b/sdk/communication/Azure.Communication.Administration/api/Azure.Communication.Administration.netstandard2.0.cs
index bd775d3899d4..0a7eab03a9f9 100644
--- a/sdk/communication/Azure.Communication.Administration/api/Azure.Communication.Administration.netstandard2.0.cs
+++ b/sdk/communication/Azure.Communication.Administration/api/Azure.Communication.Administration.netstandard2.0.cs
@@ -109,12 +109,6 @@ internal AcquiredPhoneNumber() { }
         public string PhoneNumber { get { throw null; } }
         public string PlaceName { get { throw null; } }
     }
-    public partial class AcquiredPhoneNumbers
-    {
-        internal AcquiredPhoneNumbers() { }
-        public string NextLink { get { throw null; } }
-        public System.Collections.Generic.IReadOnlyList<Azure.Communication.Administration.Models.AcquiredPhoneNumber> PhoneNumbers { get { throw null; } }
-    }
     [System.Runtime.InteropServices.StructLayoutAttribute(System.Runtime.InteropServices.LayoutKind.Sequential)]
     public readonly partial struct ActivationState : System.IEquatable<Azure.Communication.Administration.Models.ActivationState>
     {
@@ -139,7 +133,6 @@ internal AcquiredPhoneNumbers() { }
     public static partial class AdministrationModelFactory
     {
         public static Azure.Communication.Administration.Models.AcquiredPhoneNumber AcquiredPhoneNumber(string phoneNumber, System.Collections.Generic.IEnumerable<Azure.Communication.Administration.Models.PhoneNumberCapability> acquiredCapabilities, System.Collections.Generic.IEnumerable<Azure.Communication.Administration.Models.PhoneNumberCapability> availableCapabilities) { throw null; }
-        public static Azure.Communication.Administration.Models.AcquiredPhoneNumbers AcquiredPhoneNumbers(System.Collections.Generic.IReadOnlyList<Azure.Communication.Administration.Models.AcquiredPhoneNumber> phoneNumbers, string nextLink) { throw null; }
         public static Azure.Communication.Administration.Models.AreaCodes AreaCodes(System.Collections.Generic.IReadOnlyList<string> primaryAreaCodes, System.Collections.Generic.IReadOnlyList<string> secondaryAreaCodes, string nextLink) { throw null; }
         public static Azure.Communication.Administration.Models.CarrierDetails CarrierDetails(string name, string localizedName) { throw null; }
         public static Azure.Communication.Administration.Models.CommunicationUserToken CommunicationUserToken(string id, string token, System.DateTimeOffset expiresOn) { throw null; }
@@ -148,9 +141,7 @@ public static partial class AdministrationModelFactory
         public static Azure.Communication.Administration.Models.LocationOptionsResponse LocationOptionsResponse(Azure.Communication.Administration.Models.LocationOptions locationOptions) { throw null; }
         public static Azure.Communication.Administration.Models.NumberConfigurationResponse NumberConfigurationResponse(Azure.Communication.Administration.Models.PstnConfiguration pstnConfiguration) { throw null; }
         public static Azure.Communication.Administration.Models.NumberUpdateCapabilities NumberUpdateCapabilities(System.Collections.Generic.IList<Azure.Communication.Administration.Models.PhoneNumberCapability> add, System.Collections.Generic.IList<Azure.Communication.Administration.Models.PhoneNumberCapability> remove) { throw null; }
-        public static Azure.Communication.Administration.Models.PhoneNumberCountries PhoneNumberCountries(System.Collections.Generic.IReadOnlyList<Azure.Communication.Administration.Models.PhoneNumberCountry> countries, string nextLink) { throw null; }
         public static Azure.Communication.Administration.Models.PhoneNumberCountry PhoneNumberCountry(string localizedName, string countryCode) { throw null; }
-        public static Azure.Communication.Administration.Models.PhoneNumberEntities PhoneNumberEntities(System.Collections.Generic.IReadOnlyList<Azure.Communication.Administration.Models.PhoneNumberEntity> entities, string nextLink) { throw null; }
         public static Azure.Communication.Administration.Models.PhoneNumberEntity PhoneNumberEntity(string id, System.DateTimeOffset? createdAt, string displayName, int? quantity, int? quantityObtained, string status, System.DateTimeOffset? focDate) { throw null; }
         public static Azure.Communication.Administration.Models.PhoneNumberRelease PhoneNumberRelease(string releaseId, System.DateTimeOffset? createdAt, Azure.Communication.Administration.Models.ReleaseStatus? status, string errorMessage, System.Collections.Generic.IReadOnlyDictionary<string, Azure.Communication.Administration.Models.PhoneNumberReleaseDetails> phoneNumberReleaseStatusDetails) { throw null; }
         public static Azure.Communication.Administration.Models.PhoneNumberReleaseDetails PhoneNumberReleaseDetails(Azure.Communication.Administration.Models.PhoneNumberReleaseStatus? status, int? errorCode) { throw null; }
@@ -159,7 +150,6 @@ public static partial class AdministrationModelFactory
         public static Azure.Communication.Administration.Models.PhoneNumberReservationPurchaseOperation PhoneNumberReservationPurchaseOperation(Azure.Communication.Administration.PhoneNumberAdministrationClient client, string reservationId) { throw null; }
         public static Azure.Communication.Administration.Models.PhonePlan PhonePlan(string phonePlanId, string localizedName, Azure.Communication.Administration.Models.LocationType locationType) { throw null; }
         public static Azure.Communication.Administration.Models.PhonePlanGroup PhonePlanGroup(string phonePlanGroupId, string localizedName, string localizedDescription) { throw null; }
-        public static Azure.Communication.Administration.Models.PhonePlanGroups PhonePlanGroups(System.Collections.Generic.IReadOnlyList<Azure.Communication.Administration.Models.PhonePlanGroup> phonePlanGroupsValue, string nextLink) { throw null; }
         public static Azure.Communication.Administration.Models.PhonePlansResponse PhonePlansResponse(System.Collections.Generic.IReadOnlyList<Azure.Communication.Administration.Models.PhonePlan> phonePlans, string nextLink) { throw null; }
         public static Azure.Communication.Administration.Models.RateInformation RateInformation(double? monthlyRate, Azure.Communication.Administration.Models.CurrencyType? currencyType, string rateErrorMessage) { throw null; }
         public static Azure.Communication.Administration.Models.ReleasePhoneNumberOperation ReleasePhoneNumberOperation(Azure.Communication.Administration.PhoneNumberAdministrationClient client, string releaseId) { throw null; }
@@ -350,24 +340,12 @@ public NumberUpdateCapabilities() { }
         public static bool operator !=(Azure.Communication.Administration.Models.PhoneNumberCapability left, Azure.Communication.Administration.Models.PhoneNumberCapability right) { throw null; }
         public override string ToString() { throw null; }
     }
-    public partial class PhoneNumberCountries
-    {
-        internal PhoneNumberCountries() { }
-        public System.Collections.Generic.IReadOnlyList<Azure.Communication.Administration.Models.PhoneNumberCountry> Countries { get { throw null; } }
-        public string NextLink { get { throw null; } }
-    }
     public partial class PhoneNumberCountry
     {
         internal PhoneNumberCountry() { }
         public string CountryCode { get { throw null; } }
         public string LocalizedName { get { throw null; } }
     }
-    public partial class PhoneNumberEntities
-    {
-        internal PhoneNumberEntities() { }
-        public System.Collections.Generic.IReadOnlyList<Azure.Communication.Administration.Models.PhoneNumberEntity> Entities { get { throw null; } }
-        public string NextLink { get { throw null; } }
-    }
     public partial class PhoneNumberEntity
     {
         internal PhoneNumberEntity() { }
@@ -496,12 +474,6 @@ internal PhonePlanGroup() { }
         public string PhonePlanGroupId { get { throw null; } }
         public Azure.Communication.Administration.Models.RateInformation RateInformation { get { throw null; } }
     }
-    public partial class PhonePlanGroups
-    {
-        internal PhonePlanGroups() { }
-        public string NextLink { get { throw null; } }
-        public System.Collections.Generic.IReadOnlyList<Azure.Communication.Administration.Models.PhonePlanGroup> PhonePlanGroupsValue { get { throw null; } }
-    }
     public partial class PhonePlansResponse
     {
         internal PhonePlansResponse() { }
diff --git a/sdk/communication/Azure.Communication.Administration/src/Generated/Models/AcquiredPhoneNumbers.Serialization.cs b/sdk/communication/Azure.Communication.Administration/src/Generated/Models/AcquiredPhoneNumbers.Serialization.cs
index 19fd907786f1..e71ef303a5b4 100644
--- a/sdk/communication/Azure.Communication.Administration/src/Generated/Models/AcquiredPhoneNumbers.Serialization.cs
+++ b/sdk/communication/Azure.Communication.Administration/src/Generated/Models/AcquiredPhoneNumbers.Serialization.cs
@@ -11,7 +11,7 @@
 
 namespace Azure.Communication.Administration.Models
 {
-    public partial class AcquiredPhoneNumbers
+    internal partial class AcquiredPhoneNumbers
     {
         internal static AcquiredPhoneNumbers DeserializeAcquiredPhoneNumbers(JsonElement element)
         {
diff --git a/sdk/communication/Azure.Communication.Administration/src/Generated/Models/AcquiredPhoneNumbers.cs b/sdk/communication/Azure.Communication.Administration/src/Generated/Models/AcquiredPhoneNumbers.cs
index f8e7eef6ba0f..7b8db7ce3bfa 100644
--- a/sdk/communication/Azure.Communication.Administration/src/Generated/Models/AcquiredPhoneNumbers.cs
+++ b/sdk/communication/Azure.Communication.Administration/src/Generated/Models/AcquiredPhoneNumbers.cs
@@ -11,7 +11,7 @@
 namespace Azure.Communication.Administration.Models
 {
     /// <summary> A wrapper of list of phone numbers. </summary>
-    public partial class AcquiredPhoneNumbers
+    internal partial class AcquiredPhoneNumbers
     {
         /// <summary> Initializes a new instance of AcquiredPhoneNumbers. </summary>
         internal AcquiredPhoneNumbers()
diff --git a/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhoneNumberCountries.Serialization.cs b/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhoneNumberCountries.Serialization.cs
index 23112c01b19b..8428aaf44941 100644
--- a/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhoneNumberCountries.Serialization.cs
+++ b/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhoneNumberCountries.Serialization.cs
@@ -11,7 +11,7 @@
 
 namespace Azure.Communication.Administration.Models
 {
-    public partial class PhoneNumberCountries
+    internal partial class PhoneNumberCountries
     {
         internal static PhoneNumberCountries DeserializePhoneNumberCountries(JsonElement element)
         {
diff --git a/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhoneNumberCountries.cs b/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhoneNumberCountries.cs
index f07754c674d0..25da87959a06 100644
--- a/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhoneNumberCountries.cs
+++ b/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhoneNumberCountries.cs
@@ -11,7 +11,7 @@
 namespace Azure.Communication.Administration.Models
 {
     /// <summary> Represents a wrapper around a list of countries. </summary>
-    public partial class PhoneNumberCountries
+    internal partial class PhoneNumberCountries
     {
         /// <summary> Initializes a new instance of PhoneNumberCountries. </summary>
         internal PhoneNumberCountries()
diff --git a/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhoneNumberEntities.Serialization.cs b/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhoneNumberEntities.Serialization.cs
index 493948f91cb1..c852ced3993f 100644
--- a/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhoneNumberEntities.Serialization.cs
+++ b/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhoneNumberEntities.Serialization.cs
@@ -11,7 +11,7 @@
 
 namespace Azure.Communication.Administration.Models
 {
-    public partial class PhoneNumberEntities
+    internal partial class PhoneNumberEntities
     {
         internal static PhoneNumberEntities DeserializePhoneNumberEntities(JsonElement element)
         {
diff --git a/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhoneNumberEntities.cs b/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhoneNumberEntities.cs
index 1586de6774f8..402d609f984e 100644
--- a/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhoneNumberEntities.cs
+++ b/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhoneNumberEntities.cs
@@ -11,7 +11,7 @@
 namespace Azure.Communication.Administration.Models
 {
     /// <summary> Represents a list of searches or releases, as part of the response when fetching all searches or releases. </summary>
-    public partial class PhoneNumberEntities
+    internal partial class PhoneNumberEntities
     {
         /// <summary> Initializes a new instance of PhoneNumberEntities. </summary>
         internal PhoneNumberEntities()
diff --git a/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhonePlanGroups.Serialization.cs b/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhonePlanGroups.Serialization.cs
index e7caa19cebea..0331766d0516 100644
--- a/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhonePlanGroups.Serialization.cs
+++ b/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhonePlanGroups.Serialization.cs
@@ -11,7 +11,7 @@
 
 namespace Azure.Communication.Administration.Models
 {
-    public partial class PhonePlanGroups
+    internal partial class PhonePlanGroups
     {
         internal static PhonePlanGroups DeserializePhonePlanGroups(JsonElement element)
         {
diff --git a/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhonePlanGroups.cs b/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhonePlanGroups.cs
index 4fcac0630d12..21a56cea1d71 100644
--- a/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhonePlanGroups.cs
+++ b/sdk/communication/Azure.Communication.Administration/src/Generated/Models/PhonePlanGroups.cs
@@ -11,7 +11,7 @@
 namespace Azure.Communication.Administration.Models
 {
     /// <summary> Represents a wrapper of list of plan groups. </summary>
-    public partial class PhonePlanGroups
+    internal partial class PhonePlanGroups
     {
         /// <summary> Initializes a new instance of PhonePlanGroups. </summary>
         internal PhonePlanGroups()
diff --git a/sdk/communication/Azure.Communication.Administration/src/Models/AcquiredPhoneNumbers.cs b/sdk/communication/Azure.Communication.Administration/src/Models/AcquiredPhoneNumbers.cs
new file mode 100644
index 000000000000..e4e83a1e836c
--- /dev/null
+++ b/sdk/communication/Azure.Communication.Administration/src/Models/AcquiredPhoneNumbers.cs
@@ -0,0 +1,9 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+namespace Azure.Communication.Administration.Models
+{
+    internal partial class AcquiredPhoneNumbers
+    {
+    }
+}
diff --git a/sdk/communication/Azure.Communication.Administration/src/Models/AdministrationModelFactory.cs b/sdk/communication/Azure.Communication.Administration/src/Models/AdministrationModelFactory.cs
index 70e7ed57e929..07b3d88f84f4 100644
--- a/sdk/communication/Azure.Communication.Administration/src/Models/AdministrationModelFactory.cs
+++ b/sdk/communication/Azure.Communication.Administration/src/Models/AdministrationModelFactory.cs
@@ -21,15 +21,6 @@ public static class AdministrationModelFactory
         public static AcquiredPhoneNumber AcquiredPhoneNumber(string phoneNumber, IEnumerable<PhoneNumberCapability> acquiredCapabilities, IEnumerable<PhoneNumberCapability> availableCapabilities)
             => new AcquiredPhoneNumber(phoneNumber, acquiredCapabilities, availableCapabilities);
 
-        /// <summary>
-        /// Initializes a new instance of the <see cref="AcquiredPhoneNumbers"/> class.
-        /// </summary>
-        /// <param name="phoneNumbers"> Represents a list of phone numbers. </param>
-        /// <param name="nextLink"> Represents the URL link to the next page. </param>
-        /// <returns>A new <see cref="AcquiredPhoneNumbers"/> instance for mocking.</returns>
-        public static AcquiredPhoneNumbers AcquiredPhoneNumbers(IReadOnlyList<AcquiredPhoneNumber> phoneNumbers, string nextLink)
-            => new AcquiredPhoneNumbers(phoneNumbers, nextLink);
-
         /// <summary>
         /// Initializes a new instance of the <see cref="AreaCodes"/> class.
         /// </summary>
@@ -113,15 +104,6 @@ public static NumberConfigurationResponse NumberConfigurationResponse(PstnConfig
         public static NumberUpdateCapabilities NumberUpdateCapabilities(IList<PhoneNumberCapability> @add, IList<PhoneNumberCapability> @remove)
             => new NumberUpdateCapabilities(@add, @remove);
 
-        /// <summary>
-        /// Initializes a new instance of the <see cref="PhoneNumberCountries"/> class.
-        /// </summary>
-        /// <param name="countries"> Represents the underlying list of countries. </param>
-        /// <param name="nextLink"> Represents the URL link to the next page. </param>
-        /// <returns>A new <see cref="PhoneNumberCountries"/> instance for mocking.</returns>
-        public static PhoneNumberCountries PhoneNumberCountries(IReadOnlyList<PhoneNumberCountry> countries, string nextLink)
-            => new PhoneNumberCountries(countries, nextLink);
-
         /// <summary>
         /// Initializes a new instance of the <see cref="PhoneNumberCountry"/> class.
         /// </summary>
@@ -131,15 +113,6 @@ public static PhoneNumberCountries PhoneNumberCountries(IReadOnlyList<PhoneNumbe
         public static PhoneNumberCountry PhoneNumberCountry(string localizedName, string countryCode)
             => new PhoneNumberCountry(localizedName, countryCode);
 
-        /// <summary>
-        /// Initializes a new instance of the <see cref="PhoneNumberEntities"/> class.
-        /// </summary>
-        /// <param name="entities"> The underlying list of entities. </param>
-        /// <param name="nextLink"> Represents the URL link to the next page. </param>
-        /// <returns>A new <see cref="PhoneNumberEntities"/> instance for mocking.</returns>
-        public static PhoneNumberEntities PhoneNumberEntities(IReadOnlyList<PhoneNumberEntity> entities, string nextLink)
-            => new PhoneNumberEntities(entities, nextLink);
-
         /// <summary>
         /// Initializes a new instance of the <see cref="PhoneNumberEntity"/> class.
         /// </summary>
@@ -215,15 +188,6 @@ public static PhonePlan PhonePlan(string phonePlanId, string localizedName, Loca
         public static PhonePlanGroup PhonePlanGroup(string phonePlanGroupId, string localizedName, string localizedDescription)
             => new PhonePlanGroup(phonePlanGroupId, localizedName, localizedDescription);
 
-        /// <summary>
-        /// Initializes a new instance of the <see cref="PhonePlanGroups"/> class.
-        /// </summary>
-        /// <param name="phonePlanGroupsValue"> The underlying list of phone plan groups. </param>
-        /// <param name="nextLink"> Represents the URL link to the next page. </param>
-        /// <returns>A new <see cref="PhonePlanGroups"/> instance for mocking.</returns>
-        public static PhonePlanGroups PhonePlanGroups(IReadOnlyList<PhonePlanGroup> phonePlanGroupsValue, string nextLink)
-            => new PhonePlanGroups(phonePlanGroupsValue, nextLink);
-
         /// <summary>
         /// Initializes a new instance of the <see cref="PhonePlansResponse"/> class.
         /// </summary>
diff --git a/sdk/communication/Azure.Communication.Administration/src/Models/PhoneNumberCountries.cs b/sdk/communication/Azure.Communication.Administration/src/Models/PhoneNumberCountries.cs
new file mode 100644
index 000000000000..c52ee5f7cef0
--- /dev/null
+++ b/sdk/communication/Azure.Communication.Administration/src/Models/PhoneNumberCountries.cs
@@ -0,0 +1,9 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+namespace Azure.Communication.Administration.Models
+{
+    internal partial class PhoneNumberCountries
+    {
+    }
+}
diff --git a/sdk/communication/Azure.Communication.Administration/src/Models/PhoneNumberEntities.cs b/sdk/communication/Azure.Communication.Administration/src/Models/PhoneNumberEntities.cs
new file mode 100644
index 000000000000..c4baa2efca7e
--- /dev/null
+++ b/sdk/communication/Azure.Communication.Administration/src/Models/PhoneNumberEntities.cs
@@ -0,0 +1,9 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+namespace Azure.Communication.Administration.Models
+{
+    internal partial class PhoneNumberEntities
+    {
+    }
+}
diff --git a/sdk/communication/Azure.Communication.Administration/src/Models/PhonePlanGroups.cs b/sdk/communication/Azure.Communication.Administration/src/Models/PhonePlanGroups.cs
new file mode 100644
index 000000000000..51e4bad34fde
--- /dev/null
+++ b/sdk/communication/Azure.Communication.Administration/src/Models/PhonePlanGroups.cs
@@ -0,0 +1,9 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+namespace Azure.Communication.Administration.Models
+{
+    internal partial class PhonePlanGroups
+    {
+    }
+}
diff --git a/sdk/communication/Azure.Communication.Administration/src/Models/PhonePlans.cs b/sdk/communication/Azure.Communication.Administration/src/Models/PhonePlans.cs
new file mode 100644
index 000000000000..34689e485ccb
--- /dev/null
+++ b/sdk/communication/Azure.Communication.Administration/src/Models/PhonePlans.cs
@@ -0,0 +1,9 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+namespace Azure.Communication.Administration.Models
+{
+    internal partial class PhonePlans
+    {
+    }
+}