| name | telnyx-voice-advanced-python |
| description | Advanced call control features including DTMF sending, SIPREC recording, noise suppression, client state, and supervisor controls. This skill provides Python SDK examples. |
| metadata | {"author":"telnyx","product":"voice-advanced","language":"python","generated_by":"telnyx-ext-skills-generator"} |
Telnyx Voice Advanced - Python
Installation
pip install telnyx
Setup
import os
from telnyx import Telnyx
client = Telnyx(
api_key=os.environ.get("TELNYX_API_KEY"),
)
All examples below assume client is already initialized as shown above.
Update client state
Updates client state
PUT /calls/{call_control_id}/actions/client_state_update — Required: client_state
response = client.calls.actions.update_client_state(
call_control_id="call_control_id",
client_state="aGF2ZSBhIG5pY2UgZGF5ID1d",
)
print(response.data)
SIP Refer a call
Initiate a SIP Refer on a Call Control call.
POST /calls/{call_control_id}/actions/refer — Required: sip_address
response = client.calls.actions.refer(
call_control_id="call_control_id",
sip_address="sip:username@sip.non-telnyx-address.com",
)
print(response.data)
Send DTMF
Sends DTMF tones from this leg.
POST /calls/{call_control_id}/actions/send_dtmf — Required: digits
response = client.calls.actions.send_dtmf(
call_control_id="call_control_id",
digits="1www2WABCDw9",
)
print(response.data)
SIPREC start
Start siprec session to configured in SIPREC connector SRS.
POST /calls/{call_control_id}/actions/siprec_start
response = client.calls.actions.start_siprec(
call_control_id="call_control_id",
)
print(response.data)
SIPREC stop
Stop SIPREC session.
POST /calls/{call_control_id}/actions/siprec_stop
response = client.calls.actions.stop_siprec(
call_control_id="call_control_id",
)
print(response.data)
Noise Suppression Start (BETA)
POST /calls/{call_control_id}/actions/suppression_start
response = client.calls.actions.start_noise_suppression(
call_control_id="call_control_id",
)
print(response.data)
Noise Suppression Stop (BETA)
POST /calls/{call_control_id}/actions/suppression_stop
response = client.calls.actions.stop_noise_suppression(
call_control_id="call_control_id",
)
print(response.data)
Switch supervisor role
Switch the supervisor role for a bridged call.
POST /calls/{call_control_id}/actions/switch_supervisor_role — Required: role
response = client.calls.actions.switch_supervisor_role(
call_control_id="call_control_id",
role="barge",
)
print(response.data)
Webhooks
The following webhook events are sent to your configured webhook URL.
All webhooks include telnyx-timestamp and telnyx-signature-ed25519 headers for verification (Standard Webhooks compatible).
| Event | Description |
|---|
callReferStarted | Call Refer Started |
callReferCompleted | Call Refer Completed |
callReferFailed | Call Refer Failed |
callSiprecStarted | Call Siprec Started |
callSiprecStopped | Call Siprec Stopped |
callSiprecFailed | Call Siprec Failed |