feat: add conversation type support for Twilio SMS chat transport

This update adds conversation type support to TwilioSmsChatTransport and introduces a dial timeout option for TransferPlan. These enhancements provide better control over chat conversation types and transfer call behavior.

Key changes:
- Add TwilioSmsChatTransportConversationType enum with "chat" literal type
- Add conversation_type field to TwilioSmsChatTransport to specify call type
- Add dial_timeout field to TransferPlan for SIP DIAL operation timeout control
- Update User-Agent header to use version placeholder instead of hardcoded value
- Export new conversation type in module __all__ lists

🌿 Generated with Fern

Author: fern-api[bot]

changelog.md

@@ -0,0 +1,11 @@
+## 1.9.0 - 2025-11-19
+* feat: add conversation type support for Twilio SMS chat transport
+* This update adds conversation type support to TwilioSmsChatTransport and introduces a dial timeout option for TransferPlan. These enhancements provide better control over chat conversation types and transfer call behavior.
+* Key changes:
+* Add TwilioSmsChatTransportConversationType enum with "chat" literal type
+* Add conversation_type field to TwilioSmsChatTransport to specify call type
+* Add dial_timeout field to TransferPlan for SIP DIAL operation timeout control
+* Update User-Agent header to use version placeholder instead of hardcoded value
+* Export new conversation type in module __all__ lists
+* 🌿 Generated with Fern
+

pyproject.toml

@@ -3,7 +3,7 @@ name = "vapi_server_sdk"
 
 [tool.poetry]
 name = "vapi_server_sdk"
-version = "1.8.0"
+version = "1.9.0"
 description = ""
 readme = "README.md"
 authors = []

src/vapi/__init__.py

@@ -1559,6 +1559,7 @@
         TwilioPhoneNumberHooksItem,
         TwilioPhoneNumberStatus,
         TwilioSmsChatTransport,
+        TwilioSmsChatTransportConversationType,
         TwilioSmsChatTransportType,
         TwilioVoicemailDetectionPlan,
         TwilioVoicemailDetectionPlanProvider,
@@ -3533,6 +3534,7 @@
     "TwilioPhoneNumberHooksItem": ".types",
     "TwilioPhoneNumberStatus": ".types",
     "TwilioSmsChatTransport": ".types",
+    "TwilioSmsChatTransportConversationType": ".types",
     "TwilioSmsChatTransportType": ".types",
     "TwilioVoicemailDetectionPlan": ".types",
     "TwilioVoicemailDetectionPlanProvider": ".types",
@@ -5461,6 +5463,7 @@ def __dir__():
     "TwilioPhoneNumberHooksItem",
     "TwilioPhoneNumberStatus",
     "TwilioSmsChatTransport",
+    "TwilioSmsChatTransportConversationType",
     "TwilioSmsChatTransportType",
     "TwilioVoicemailDetectionPlan",
     "TwilioVoicemailDetectionPlanProvider",

src/vapi/core/client_wrapper.py

@@ -22,10 +22,10 @@ def __init__(
 
     def get_headers(self) -> typing.Dict[str, str]:
         headers: typing.Dict[str, str] = {
-            "User-Agent": "vapi_server_sdk/1.8.0",
+            "User-Agent": "vapi_server_sdk/AUTO",
             "X-Fern-Language": "Python",
             "X-Fern-SDK-Name": "vapi_server_sdk",
-            "X-Fern-SDK-Version": "1.8.0",
+            "X-Fern-SDK-Version": "1.9.0",
             **(self.get_custom_headers() or {}),
         }
         headers["Authorization"] = f"Bearer {self._get_token()}"

src/vapi/types/__init__.py

@@ -1638,6 +1638,7 @@
     from .twilio_phone_number_hooks_item import TwilioPhoneNumberHooksItem
     from .twilio_phone_number_status import TwilioPhoneNumberStatus
     from .twilio_sms_chat_transport import TwilioSmsChatTransport
+    from .twilio_sms_chat_transport_conversation_type import TwilioSmsChatTransportConversationType
     from .twilio_sms_chat_transport_type import TwilioSmsChatTransportType
     from .twilio_voicemail_detection_plan import TwilioVoicemailDetectionPlan
     from .twilio_voicemail_detection_plan_provider import TwilioVoicemailDetectionPlanProvider
@@ -3465,6 +3466,7 @@
     "TwilioPhoneNumberHooksItem": ".twilio_phone_number_hooks_item",
     "TwilioPhoneNumberStatus": ".twilio_phone_number_status",
     "TwilioSmsChatTransport": ".twilio_sms_chat_transport",
+    "TwilioSmsChatTransportConversationType": ".twilio_sms_chat_transport_conversation_type",
     "TwilioSmsChatTransportType": ".twilio_sms_chat_transport_type",
     "TwilioVoicemailDetectionPlan": ".twilio_voicemail_detection_plan",
     "TwilioVoicemailDetectionPlanProvider": ".twilio_voicemail_detection_plan_provider",
@@ -5300,6 +5302,7 @@ def __dir__():
     "TwilioPhoneNumberHooksItem",
     "TwilioPhoneNumberStatus",
     "TwilioSmsChatTransport",
+    "TwilioSmsChatTransportConversationType",
     "TwilioSmsChatTransportType",
     "TwilioVoicemailDetectionPlan",
     "TwilioVoicemailDetectionPlanProvider",

src/vapi/types/transfer_plan.py

@@ -57,6 +57,17 @@ class TransferPlan(UncheckedBaseModel):
     - 'dial': Uses SIP DIAL to transfer the call
     """
 
+    dial_timeout: typing_extensions.Annotated[typing.Optional[float], FieldMetadata(alias="dialTimeout")] = (
+        pydantic.Field(default=None)
+    )
+    """
+    This sets the timeout for the dial operation in seconds. This is the duration the call will ring before timing out.
+    
+    Only applicable when `sipVerb='dial'`. Not applicable for SIP REFER or BYE.
+    
+    @default 60
+    """
+
     hold_audio_url: typing_extensions.Annotated[typing.Optional[str], FieldMetadata(alias="holdAudioUrl")] = (
         pydantic.Field(default=None)
     )

src/vapi/types/twilio_sms_chat_transport.py

@@ -10,10 +10,18 @@
 from ..core.serialization import FieldMetadata
 from ..core.unchecked_base_model import UncheckedBaseModel
 from .create_customer_dto import CreateCustomerDto
+from .twilio_sms_chat_transport_conversation_type import TwilioSmsChatTransportConversationType
 from .twilio_sms_chat_transport_type import TwilioSmsChatTransportType
 
 
 class TwilioSmsChatTransport(UncheckedBaseModel):
+    conversation_type: typing_extensions.Annotated[
+        typing.Optional[TwilioSmsChatTransportConversationType], FieldMetadata(alias="conversationType")
+    ] = pydantic.Field(default=None)
+    """
+    This is the conversation type of the call (ie, voice or chat).
+    """
+
     phone_number_id: typing_extensions.Annotated[typing.Optional[str], FieldMetadata(alias="phoneNumberId")] = (
         pydantic.Field(default=None)
     )

src/vapi/types/twilio_sms_chat_transport_conversation_type.py

@@ -0,0 +1,5 @@
+# This file was auto-generated by Fern from our API Definition.
+
+import typing
+
+TwilioSmsChatTransportConversationType = typing.Union[typing.Literal["chat"], typing.Any]