{"id":"INC-twilio-gvjnm28xrcrk","kind":"incident","aliases":[],"related":[],"title":"Twilio: Voice Call Failures from a Subset of Twilio Phone Numbers to Argentina","description":"Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Argentina. Our team is actively investigating this issue. We will provide another update in 2 hours or as soon as more information becomes available.","summary":null,"severity":"medium","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Twilio","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["incident","ops","sms","twilio","vendor"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"open","published_at":"2026-10-27T22:28:10+00:00","first_seen_at":"2026-10-27T22:29:20+00:00","triaged_at":"2026-10-27T22:30:08+00:00","updated_at":"2026-10-27T23:29:02+00:00","category":"vendor","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'2':57C 'activ':47C 'anoth':54C 'argentina':13A,43C 'avail':66C 'becom':65C 'call':3A,30C 'custom':25C 'experienc':28C 'failur':4A,31C 'gvjnm28xrcrk':17A 'hour':58C 'inc':15A 'inc-twilio-gvjnm28xrcrk':14A 'incid':19B 'inform':64C 'investig':48C 'issu':50C 'may':26C 'network':40C 'number':11A,38C 'op':20B 'phone':10A,37C 'provid':53C 'sms':21B 'soon':61C 'subscrib':41C 'subset':7A,34C 'team':45C 'twilio':1A,9A,16A,18A,22B,24C,36C 'updat':55C 'vendor':23B 'voic':2A,29C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-27T22:28:10+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"statuspage","external_id":"twilio:gvjnm28xrcrk","url":"https://stspg.io/b8qwcl8jqfs8","severity":"medium","published_at":"2026-10-27T22:28:10+00:00","modified_at":"2026-10-27T23:28:38+00:00","first_seen_at":"2026-10-27T22:29:20+00:00","fetched_at":"2026-10-28T00:13:16+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}