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add support for sending DTMF to ultravox (#1471)

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This commit is contained in:
Hoan Luu Huu
2025-12-11 19:53:59 +07:00
committed by GitHub
parent e396b6aa98
commit 5cea91e18a
1 changed files with 16 additions and 2 deletions
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18
lib/tasks/llm/llms/ultravox_s2s.js
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@@ -146,8 +146,9 @@ class TaskLlmUltravox_S2S extends Task {
return data; return data;
} }
_unregisterHandlers() { _unregisterHandlers(ep) {
this.removeCustomEventListeners(); this.removeCustomEventListeners();
ep.removeAllListeners('dtmf');
} }
_registerHandlers(ep) { _registerHandlers(ep) {
@@ -155,6 +156,7 @@ class TaskLlmUltravox_S2S extends Task {
this.addCustomEventListener(ep, LlmEvents_Ultravox.ConnectFailure, this._onConnectFailure.bind(this, ep)); this.addCustomEventListener(ep, LlmEvents_Ultravox.ConnectFailure, this._onConnectFailure.bind(this, ep));
this.addCustomEventListener(ep, LlmEvents_Ultravox.Disconnect, this._onDisconnect.bind(this, ep)); this.addCustomEventListener(ep, LlmEvents_Ultravox.Disconnect, this._onDisconnect.bind(this, ep));
this.addCustomEventListener(ep, LlmEvents_Ultravox.ServerEvent, this._onServerEvent.bind(this, ep)); this.addCustomEventListener(ep, LlmEvents_Ultravox.ServerEvent, this._onServerEvent.bind(this, ep));
ep.on('dtmf', this._onDtmf.bind(this, ep));
} }
async _startListening(cs, ep) { async _startListening(cs, ep) {
@@ -189,7 +191,7 @@ class TaskLlmUltravox_S2S extends Task {
/* note: the parent llm verb started the span, which is why this is necessary */ /* note: the parent llm verb started the span, which is why this is necessary */
await this.parent.performAction(this.results); await this.parent.performAction(this.results);
this._unregisterHandlers(); this._unregisterHandlers(ep);
} }
async kill(cs) { async kill(cs) {
@@ -346,6 +348,18 @@ class TaskLlmUltravox_S2S extends Task {
excludeEvents: this.excludeEvents excludeEvents: this.excludeEvents
}, 'TaskLlmUltravox_S2S:_populateEvents'); }, 'TaskLlmUltravox_S2S:_populateEvents');
} }
_onDtmf(ep, evt) {
this.logger.info({evt}, 'TaskLlmUltravox_S2S:_onDtmf - DTMF received');
const {dtmf} = evt;
const data = {
type: 'user_text_message',
text: `DTMF received: ${dtmf}`,
urgency: 'immediate'
};
this._api(ep, [ep.uuid, ClientEvent, JSON.stringify(data)])
.catch((err) => this.logger.info({err, evt}, 'TaskLlmUltravox_S2S:_onDtmf - Error sending DTMF as text message'));
}
} }
module.exports = TaskLlmUltravox_S2S; module.exports = TaskLlmUltravox_S2S;