{"id":"INC-twilio-z1rg79106g49","kind":"incident","aliases":[],"related":[],"title":"Twilio: Voice Call Failures from a Subset of Twilio Phone Numbers to United States","description":"Twilio customers may be experiencing voice call failures and post dial delay from a subset of Twilio Phone Numbers to network subscribers in the United States. Our team has identified the cause, and is working to resolve the 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":"resolved","published_at":"2026-10-24T14:17:21+00:00","first_seen_at":"2026-10-24T14:16:56+00:00","triaged_at":"2026-10-25T04:51:22+00:00","updated_at":"2026-10-25T19:15:28+00:00","category":"vendor","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'2':70C 'anoth':67C 'avail':79C 'becom':78C 'call':3A,31C 'caus':56C 'custom':26C 'delay':36C 'dial':35C 'experienc':29C 'failur':4A,32C 'hour':71C 'identifi':54C 'inc':16A 'inc-twilio-z1rg79106g49':15A 'incid':20B 'inform':77C 'issu':63C 'may':27C 'network':45C 'number':11A,43C 'op':21B 'phone':10A,42C 'post':34C 'provid':66C 'resolv':61C 'sms':22B 'soon':74C 'state':14A,50C 'subscrib':46C 'subset':7A,39C 'team':52C 'twilio':1A,9A,17A,19A,23B,25C,41C 'unit':13A,49C 'updat':68C 'vendor':24B 'voic':2A,30C 'work':59C 'z1rg79106g49':18A","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-24T14:17:21+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"statuspage","external_id":"twilio:z1rg79106g49","url":"https://stspg.io/zlzsz68bx4ht","severity":"medium","published_at":"2026-10-24T14:17:21+00:00","modified_at":"2026-10-25T19:13:07+00:00","first_seen_at":"2026-10-24T14:16:56+00:00","fetched_at":"2026-10-26T09:24:12+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"}