From bf5f4e9b7aa63013afdba79b583bd1d674950d4a Mon Sep 17 00:00:00 2001
From: Franco Viotti <francov@telnyx.com>
Date: Thu, 29 Jan 2026 15:09:40 -0300
Subject: [PATCH] fix(tts): clarify Telnyx telephony limitation and remove
 dismissive comment

---
 src/tts/tts.ts | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/tts/tts.ts b/src/tts/tts.ts
index fec413cb1..c1473c671 100644
--- a/src/tts/tts.ts
+++ b/src/tts/tts.ts
@@ -69,7 +69,6 @@ const TELEGRAM_OUTPUT = {
   // ElevenLabs output formats use codec_sample_rate_bitrate naming.
   // Opus @ 48kHz/64kbps is a good voice-note tradeoff for Telegram.
   elevenlabs: "opus_48000_64",
-  // Telnyx outputs MP3 only (16kHz); not ideal for Telegram voice bubbles but works.
   telnyx: "mp3_16000" as const,
   extension: ".opus",
   voiceCompatible: true,
@@ -1380,7 +1379,7 @@ export async function textToSpeechTelephony(params: {
         continue;
       }
       if (provider === "telnyx") {
-        lastError = "telnyx: unsupported for telephony (MP3 output only)";
+        lastError = "telnyx: WebSocket API outputs MP3, telephony requires PCM";
         continue;
       }