Issues

• Outbound CreateSIPParticipant is no longer load-balanced since protocol#1456 (CreateSIPParticipantAffinity is dead code)

  livekit/sip#873 · Filter by author ivanbalingit opened on Sep 28, 2026

• Expose the SIP response status code as a participant attribute

  livekit/sip#871 · Filter by author AKomplished-bug opened on Sep 28, 2026

• Outbound CANCEL for a ringing call ignores attributes_to_headers and EndCall headers (no way to send RFC 3326 Reason)

  livekit/sip#846 · Filter by author cykyy opened on Sep 13, 2026
  2

• Support early media (183/180 with SDP) on outbound calls

  livekit/sip#813 · Filter by author akithani opened on Aug 26, 2026

• Outbound SIP does not follow RFC 3263 SRV: an A record short-circuits the lookup, the SRV port is discarded, and _sips._tcp is never queried

  livekit/sip#810 · Filter by author jaylim95 opened on Aug 25, 2026
  1

• CreateSIPParticipant rejects valid Twilio X-Twilio-CallToken values over 1024 bytes

  ReliabilitySIP
  livekit/sip#789 · Filter by author dtran26 opened on Aug 13, 2026

• Hold re-INVITE (a=sendonly) is answered a=sendrecv, violating RFC 3264 §6.1 — carrier BYEs the dialog

  livekit/sip#779 · Filter by author prasanth-33460 opened on Aug 7, 2026
  3

• SIP transfer fails against a multi-hop proxy (Avaya SM) — REFER's Route header points back at LiveKit-SIP itself

  livekit/sip#771 · Filter by author amr-imad opened on Aug 3, 2026
  1

  

• Codec-changing re-INVITE gets 200 OK with stale SDP

  livekit/sip#766 · Filter by author LukasKne opened on Jul 30, 2026
  2

• Feature Request - Allow SIP INFO messages to be sent

  SIP Features
  livekit/sip#740 · Filter by author timothyaufdermauer opened on Jul 6, 2026
  2

• Outbound call ACK sent to Contact URI instead of Record-Route path (Exotel TCP trunk)

  SIP Features
  livekit/sip#730 · Filter by author Smshendehub opened on Jun 22, 2026
  1

• Wideband (AMR-WB/G.722) re-encode introduces chunk-boundary artifacts on WebRTC→SIP bridge, amplified by T-Mobile VoLTE

  Media Features
  livekit/sip#724 · Filter by author sitefeng opened on Jun 13, 2026
  3

  

• Surface SIP hold/resume (re-INVITE media direction) as a participant attribute

  SIP Features
  livekit/sip#716 · Filter by author OxSever opened on Jun 10, 2026
  6

• livekit-sip BYE to inbound call routing error

  SIP Features
  livekit/sip#642 · Filter by author jonathanciechanowski opened on Mar 31, 2026
  4

• SIP<>Airtel Outbound Calling

  Carrier Integration
  livekit/sip#615 · Filter by author SaurabhTiwari702 opened on Mar 13, 2026
  4

• Outbound SIP calls have audio artifacts (sharp transitions) on T-Mobile/carrier phones

  Media Features
  livekit/sip#608 · Filter by author ebilal opened on Mar 9, 2026
  4

  

• SIP over TLS – Outbound Calls Do not support mTLS

  SIP Features
  livekit/sip#530 · Filter by author lovekesh-garg opened on Nov 25, 2025
  2

• Has anyone been able to connect to exotel through the App Bazaar Websocket method

  livekit/sip#529 · Filter by author dhruvsahgal2003 opened on Nov 24, 2025
  1

• Support REGISTER method

  enhancementSIP Features
  livekit/sip#524 · Filter by author AL-Amin-code opened on Nov 15, 2025
  5

• Has Anyone successfully integrated livekit sip with Airtel Sip

  Carrier Integration
  livekit/sip#517 · Filter by author amitsingh0823 opened on Nov 12, 2025
  4

• Anyone successfully integrated livekit sip with Avaya

  Carrier Integration
  livekit/sip#506 · Filter by author PrakashSuthar opened on Nov 6, 2025
  5

• SIP server appears unable to use TLS when connecting to Redis (TLS-required Redis resets plaintext connect)

  livekit/sip#470 · Filter by author nidal123 opened on Oct 2, 2025
  1

• Has anyone been successful in integrating Exotel with LiveKit?

  livekit/sip#428 · Filter by author Saloni1208 opened on Aug 5, 2025
  13

• LiveKit attributes are not mapped to SIP X-* headers when sending BYE

  SIP Features
  livekit/sip#404 · Filter by author arpesenti opened on Jul 1, 2025
  2

  

• sip INFO

  SIP Features
  livekit/sip#331 · Filter by author Wildsoft opened on Apr 8, 2025
  3