feat: telephony call transfer (#155)

* transfer call

* fix: ignore completed call status

* chore: refactor telephony

* chore: refactor pipecat engine custom tools and other telephony services

* chore: code refactor

* chore: put back office ambient sound files

* chore: remove transport from engine

* fix: fix alembic revision

* chore: remove set_transferring_call from engine

* fix: send OutputAudio frame and let transport chunk it

* fix: reinstate docker compose

* chore: remove unused transfer-twmil route for caller

* chore: update pipecat submodule

---------

Co-authored-by: Abhishek Kumar <abhishek@a6k.me>
This commit is contained in:
Sabiha Khan 2026-02-16 14:33:33 +05:30 committed by GitHub
parent 5d14d17ceb
commit c711920165
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30 changed files with 1965 additions and 128 deletions

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"""add transfer_call tool category
Revision ID: 1a7d74d54e8f
Revises: 34c8537dfde5
Create Date: 2026-02-03 11:18:11.417837
"""
from typing import Sequence, Union
from alembic import op
from alembic_postgresql_enum import TableReference
# revision identifiers, used by Alembic.
revision: str = "1a7d74d54e8f"
down_revision: Union[str, None] = "34c8537dfde5"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None
def upgrade() -> None:
# ### commands auto generated by Alembic - please adjust! ###
op.sync_enum_values(
enum_schema="public",
enum_name="tool_category",
new_values=["http_api", "end_call", "transfer_call", "native", "integration"],
affected_columns=[
TableReference(
table_schema="public", table_name="tools", column_name="category"
)
],
enum_values_to_rename=[],
)
# ### end Alembic commands ###
def downgrade() -> None:
# ### commands auto generated by Alembic - please adjust! ###
op.sync_enum_values(
enum_schema="public",
enum_name="tool_category",
new_values=["http_api", "end_call", "native", "integration"],
affected_columns=[
TableReference(
table_schema="public", table_name="tools", column_name="category"
)
],
enum_values_to_rename=[],
)
# ### end Alembic commands ###