api/ruby/telnyx-voice-advanced-ruby/SKILL.md
Advanced call control features including DTMF sending, SIPREC recording, noise suppression, client state, and supervisor controls. This skill provides Ruby SDK examples.
npx skillsauth add team-telnyx/telnyx-toolkit telnyx-voice-advanced-rubyInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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gem install telnyx
require "telnyx"
client = Telnyx::Client.new(
api_key: ENV["TELNYX_API_KEY"], # This is the default and can be omitted
)
All examples below assume client is already initialized as shown above.
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", client_state: "aGF2ZSBhIG5pY2UgZGF5ID1d")
puts(response)
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", sip_address: "sip:[email protected]")
puts(response)
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", digits: "1www2WABCDw9")
puts(response)
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")
puts(response)
Stop SIPREC session.
POST /calls/{call_control_id}/actions/siprec_stop
response = client.calls.actions.stop_siprec("call_control_id")
puts(response)
POST /calls/{call_control_id}/actions/suppression_start
response = client.calls.actions.start_noise_suppression("call_control_id")
puts(response)
POST /calls/{call_control_id}/actions/suppression_stop
response = client.calls.actions.stop_noise_suppression("call_control_id")
puts(response)
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", role: :barge)
puts(response)
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 |
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