diff --git a/tr069/models.py b/tr069/models.py
new file mode 100644
index 0000000..1f850c0
--- /dev/null
+++ b/tr069/models.py
@@ -0,0 +1,433 @@
+"""
+Copyright 2020 The Magma Authors.
+
+This source code is licensed under the BSD-style license found in the
+LICENSE file in the root directory of this source tree.
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+
+
+from spyne.model import ComplexModel
+from spyne.model.complex import XmlAttribute, XmlData
+from spyne.model.primitive import (
+    Boolean,
+    DateTime,
+    Integer,
+    String,
+    UnsignedInteger,
+)
+from spyne.util.odict import odict
+
+# Namespaces
+XSI_NS = 'http://www.w3.org/2001/XMLSchema-instance'
+SOAP_ENV = 'http://schemas.xmlsoap.org/soap/envelope/'
+SOAP_ENC = 'http://schemas.xmlsoap.org/soap/encoding/'
+CWMP_NS = 'urn:dslforum-org:cwmp-1-0'
+
+
+class Tr069ComplexModel(ComplexModel):
+    """ Base class for TR-069 models, to set common attributes. Does not appear
+        in CWMP XSD file. """
+    __namespace__ = CWMP_NS
+
+
+class anySimpleType(Tr069ComplexModel):
+    """ Type used to transfer simple data of various types. Data type is
+        defined in 'type' XML attribute. Data is handled as a string. """
+    _type_info = odict()
+    _type_info["type"] = XmlAttribute(String, ns=XSI_NS)
+    _type_info["Data"] = XmlData(String)
+
+    def __repr__(self):
+        """For types we can't resolve only print the datum"""
+        return self.Data
+
+
+# SOAP Header Elements
+
+
+class ID(Tr069ComplexModel):
+    # Note: for some reason, XmlAttribute/XmlData pairs MUST be ordered, with
+    # XmlAttribute coming first. This appears to be a spyne bug (something to do
+    # with spyne.interface._base.add_class())
+    _type_info = odict()
+    _type_info["mustUnderstand"] = XmlAttribute(String, ns=SOAP_ENV)
+    _type_info["Data"] = XmlData(String)
+
+
+class HoldRequests(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["mustUnderstand"] = XmlAttribute(String, ns=SOAP_ENV)
+    _type_info["Data"] = XmlData(Boolean)
+
+
+# SOAP Fault Extensions
+
+
+class SetParameterValuesFault(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["ParameterName"] = String
+    _type_info["FaultCode"] = UnsignedInteger
+    _type_info["FaultString"] = String
+
+
+class Fault(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["FaultCode"] = UnsignedInteger
+    _type_info["FaultString"] = String
+    _type_info["SetParameterValuesFault"] = SetParameterValuesFault.customize(
+        max_occurs='unbounded',
+    )
+
+
+# Type definitions used in messages
+
+
+class MethodList(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["string"] = String(max_length=64, max_occurs='unbounded')
+    _type_info["arrayType"] = XmlAttribute(String, ns=SOAP_ENC)
+
+
+class FaultStruct(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["FaultCode"] = Integer
+    _type_info["FaultString"] = String(max_length=256)
+
+
+class DeviceIdStruct(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["Manufacturer"] = String(max_length=64)
+    _type_info["OUI"] = String(length=6)
+    _type_info["ProductClass"] = String(max_length=64)
+    _type_info["SerialNumber"] = String(max_length=64)
+
+
+class EventStruct(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["EventCode"] = String(max_length=64)
+    _type_info["CommandKey"] = String(max_length=32)
+
+
+class EventList(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["EventStruct"] = EventStruct.customize(max_occurs='unbounded')
+    _type_info["arrayType"] = XmlAttribute(String, ns=SOAP_ENC)
+
+
+class ParameterValueStruct(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["Name"] = String
+    _type_info["Value"] = anySimpleType
+
+
+class ParameterValueList(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["ParameterValueStruct"] = ParameterValueStruct.customize(
+        max_occurs='unbounded',
+    )
+    _type_info["arrayType"] = XmlAttribute(String, ns=SOAP_ENC)
+
+
+class ParameterInfoStruct(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["Name"] = String(max_length=256)
+    _type_info["Writable"] = Boolean
+
+
+class ParameterInfoList(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["ParameterInfoStruct"] = ParameterInfoStruct.customize(max_occurs='unbounded')
+    _type_info["arrayType"] = XmlAttribute(String, ns=SOAP_ENC)
+
+
+class ParameterNames(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["string"] = String.customize(max_occurs='unbounded', max_length=256)
+    _type_info["arrayType"] = XmlAttribute(String, ns=SOAP_ENC)
+
+
+class ParameterKeyType(anySimpleType):
+    pass
+
+
+class AccessList(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["string"] = String.customize(max_occurs='unbounded', max_length=64)
+    _type_info["arrayType"] = XmlAttribute(String, ns=SOAP_ENC)
+
+
+class SetParameterAttributesStruct(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["Name"] = String(max_length=256)
+    _type_info["NotificationChange"] = Boolean
+    _type_info["Notification"] = Integer
+    _type_info["AccessListChange"] = Boolean
+    _type_info["AccessList"] = AccessList
+
+
+class SetParameterAttributesList(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["SetParameterAttributesStruct"] = SetParameterAttributesStruct.customize(
+        max_occurs='unbounded',
+    )
+    _type_info["arrayType"] = XmlAttribute(String, ns=SOAP_ENC)
+
+
+class ParameterAttributeStruct(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["Name"] = String(max_length=256)
+    _type_info["Notification"] = Integer
+    _type_info["AccessList"] = AccessList
+
+
+class ParameterAttributeList(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["ParameterValueStruct"] = ParameterAttributeStruct.customize(
+        max_occurs='unbounded',
+    )
+    _type_info["arrayType"] = XmlAttribute(String, ns=SOAP_ENC)
+
+
+class CommandKeyType(String.customize(max_length=32)):
+    pass
+
+
+class ObjectNameType(String.customize(max_length=256)):
+    pass
+
+
+# CPE messages
+
+
+class SetParameterValues(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["ParameterList"] = ParameterValueList
+    _type_info["ParameterKey"] = ParameterKeyType
+
+
+class SetParameterValuesResponse(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["Status"] = Integer
+
+
+class GetParameterValues(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["ParameterNames"] = ParameterNames
+
+
+class GetParameterValuesResponse(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["ParameterList"] = ParameterValueList
+
+
+class GetParameterNames(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["ParameterPath"] = String.customize(max_length=256)
+    _type_info["NextLevel"] = Boolean
+
+
+class GetParameterNamesResponse(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["ParameterList"] = ParameterInfoList
+
+
+class SetParameterAttributes(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["ParameterList"] = SetParameterAttributesList
+
+
+class SetParameterAttributesResponse(Tr069ComplexModel):
+    # Dummy field required because spyne does not allow 'bare' RPC function with
+    # no input parameters. This field is never sent by CPE.
+    _type_info = odict()
+    _type_info["DummyField"] = UnsignedInteger
+
+
+class GetParameterAttributes(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["ParameterNames"] = ParameterNames
+
+
+class GetParameterAttributesResponse(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["ParameterList"] = ParameterAttributeList
+
+
+class AddObject(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["ObjectName"] = ObjectNameType
+    _type_info["ParameterKey"] = ParameterKeyType
+
+
+class AddObjectResponse(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["InstanceNumber"] = UnsignedInteger
+    _type_info["Status"] = Integer
+
+
+class DeleteObject(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["ObjectName"] = ObjectNameType
+    _type_info["ParameterKey"] = ParameterKeyType
+
+
+class DeleteObjectResponse(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["Status"] = Integer
+
+
+class Download(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["CommandKey"] = CommandKeyType
+    _type_info["FileType"] = String(max_length=64)
+    _type_info["URL"] = String(max_length=256)
+    _type_info["Username"] = String(max_length=256)
+    _type_info["Password"] = String(max_length=256)
+    _type_info["FileSize"] = UnsignedInteger
+    _type_info["TargetFileName"] = String(max_length=256)
+    _type_info["DelaySeconds"] = UnsignedInteger
+    _type_info["SuccessURL"] = String(max_length=256)
+    _type_info["FailureURL"] = String(max_length=256)
+
+
+class DownloadResponse(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["Status"] = Integer
+    _type_info["StartTime"] = DateTime
+    _type_info["CompleteTime"] = DateTime
+
+
+class Reboot(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["CommandKey"] = CommandKeyType
+
+
+class RebootResponse(Tr069ComplexModel):
+    # Dummy field required because spyne does not allow 'bare' RPC function with
+    # no input parameters. This field is never sent by CPE.
+    _type_info = odict()
+    _type_info["DummyField"] = UnsignedInteger
+
+
+# ACS messages
+
+
+class Inform(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["DeviceId"] = DeviceIdStruct
+    _type_info["Event"] = EventList
+    _type_info["MaxEnvelopes"] = UnsignedInteger
+    _type_info["CurrentTime"] = DateTime
+    _type_info["RetryCount"] = UnsignedInteger
+    _type_info["ParameterList"] = ParameterValueList
+
+
+class InformResponse(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["MaxEnvelopes"] = UnsignedInteger
+
+
+class TransferComplete(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["CommandKey"] = CommandKeyType
+    _type_info["FaultStruct"] = FaultStruct
+    _type_info["StartTime"] = DateTime
+    _type_info["CompleteTime"] = DateTime
+
+
+class TransferCompleteResponse(Tr069ComplexModel):
+    # Dummy field required because spyne does not allow 'bare' RPC function with
+    # no input parameters. This field is never sent by ACS.
+    _type_info = odict()
+    _type_info["DummyField"] = UnsignedInteger
+
+
+class GetRPCMethods(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["DummyField"] = UnsignedInteger
+
+
+class GetRPCMethodsResponse(Tr069ComplexModel):
+    _type_info = odict()
+    _type_info["MethodList"] = MethodList
+
+
+#
+# Miscellaneous
+#
+
+class ParameterListUnion(Tr069ComplexModel):
+    """ Union of structures that get instantiated as 'ParameterList' in ACS->CPE
+        messages. This is required because AcsToCpeRequests can only have one
+        parameter named 'ParameterList', so that must also be a union """
+    _type_info = odict()
+
+    # Fields from ParameterValueList
+    _type_info["ParameterValueStruct"] = ParameterValueStruct.customize(
+        max_occurs='unbounded',
+    )
+    _type_info["arrayType"] = XmlAttribute(String, ns=SOAP_ENC)
+
+    # Fields from SetParameterAttributesList
+    _type_info["SetParameterAttributesStruct"] = \
+        SetParameterAttributesStruct.customize(max_occurs='unbounded')
+    # arrayType = XmlAttribute(String, ns=SOAP_ENC) - Already covered above
+
+
+class AcsToCpeRequests(Tr069ComplexModel):
+    """ Union of all ACS->CPE requests. Only fields for one request is populated
+        per message instance """
+    _type_info = odict()
+
+    # Fields for SetParameterValues
+    _type_info["ParameterList"] = ParameterListUnion  # See ParameterListUnion for explanation
+    _type_info["ParameterKey"] = ParameterKeyType
+
+    # Fields for GetParameterValues
+    # _type_info["ParameterList"] = ParameterValueList - Already covered above
+
+    # Fields for GetParameterNames
+    _type_info["ParameterPath"] = String.customize(max_length=256)
+    _type_info["NextLevel"] = Boolean
+
+    # Fields for SetParameterAttributes
+    # _type_info["ParameterList"] = SetParameterAttributesList - Already covered above
+
+    # Fields for GetParameterAttributes
+    _type_info["ParameterNames"] = ParameterNames
+
+    # Fields for AddObject
+    _type_info["ObjectName"] = ObjectNameType
+    _type_info["ParameterKey"] = ParameterKeyType
+
+    # Fields for DeleteObject
+    # _type_info["ObjectName"] = ObjectNameType - Already covered above
+    # _type_info["ParameterKey"] = ParameterKeyType - Already covered above
+
+    # Fields for Download
+    _type_info["CommandKey"] = CommandKeyType
+    _type_info["FileType"] = String(max_length=64)
+    _type_info["URL"] = String(max_length=256)
+    _type_info["Username"] = String(max_length=256)
+    _type_info["Password"] = String(max_length=256)
+    _type_info["FileSize"] = UnsignedInteger
+    _type_info["TargetFileName"] = String(max_length=256)
+    _type_info["DelaySeconds"] = UnsignedInteger
+    _type_info["SuccessURL"] = String(max_length=256)
+    _type_info["FailureURL"] = String(max_length=256)
+
+    # Fields for Reboot
+    # _type_info["CommandKey"] = CommandKeyType - Already covered above
+
+
+class DummyInput(Tr069ComplexModel):
+    """ Dummy complex model. Used for 'EmptyHttp' function, because spyne Does
+        not handle 'bare' function with no inputs """
+    _type_info = odict()
+    _type_info["DummyField"] = UnsignedInteger