{"id":"INC-twilio-9rsnlbbzt117","kind":"incident","aliases":[],"related":[],"title":"Twilio: Voice Call Failures from a Subset of Twilio Phone Numbers to Multiple Networks in Colombia, Mexico, Chile, and Costa Rica","description":"Twilio customers may be experiencing voice call failures from a subset of Twilio Phone Numbers to network subscribers in Colombia, Mexico, Chile, and Costa Rica. Our team has identified the cause, and is working to resolve the issue. We will provide another update in 1 hour 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":"2026-11-13T21:56:38+00:00","first_seen_at":"2026-11-13T21:58:57+00:00","triaged_at":"2026-11-13T22:00:49+00:00","updated_at":"2026-11-13T22:00:49+00:00","category":"vendor","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'1':76C '9rsnlbbzt117':25A 'anoth':73C 'avail':85C 'becom':84C 'call':3A,38C 'caus':62C 'chile':18A,53C 'colombia':16A,51C 'costa':20A,55C 'custom':33C 'experienc':36C 'failur':4A,39C 'hour':77C 'identifi':60C 'inc':23A 'inc-twilio-9rsnlbbzt117':22A 'incid':27B 'inform':83C 'issu':69C 'may':34C 'mexico':17A,52C 'multipl':13A 'network':14A,48C 'number':11A,46C 'op':28B 'phone':10A,45C 'provid':72C 'resolv':67C 'rica':21A,56C 'sms':29B 'soon':80C 'subscrib':49C 'subset':7A,42C 'team':58C 'twilio':1A,9A,24A,26A,30B,32C,44C 'updat':74C 'vendor':31B 'voic':2A,37C 'work':65C","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":null,"audience":null,"plain_action":null,"pkeys":["twilio"],"ptokens":["twilio"],"labels":["incident","medium","ops","sms","twilio","vendor"],"campaign_type":null,"search_a":"'9rsnlbbzt117':25A 'call':3A 'chile':18A 'colombia':16A 'costa':20A 'failur':4A 'inc':23A 'inc-twilio-9rsnlbbzt117':22A 'mexico':17A 'multipl':13A 'network':14A 'number':11A 'phone':10A 'rica':21A 'subset':7A 'twilio':1A,9A,24A,26A 'voic':2A","search_b":"'incid':27B 'op':28B 'sms':29B 'twilio':30B 'vendor':31B","search_c":"'1':76C 'anoth':73C 'avail':85C 'becom':84C 'call':38C 'caus':62C 'chile':53C 'colombia':51C 'costa':55C 'custom':33C 'experienc':36C 'failur':39C 'hour':77C 'identifi':60C 'inform':83C 'issu':69C 'may':34C 'mexico':52C 'network':48C 'number':46C 'phone':45C 'provid':72C 'resolv':67C 'rica':56C 'soon':80C 'subscrib':49C 'subset':42C 'team':58C 'twilio':32C,44C 'updat':74C 'voic':37C 'work':65C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-13T21:56:38+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"statuspage","external_id":"twilio:9rsnlbbzt117","url":"https://stspg.io/d1z06pb4y654","severity":"medium","published_at":"2026-11-13T21:56:38+00:00","modified_at":"2026-11-13T21:57:08+00:00","first_seen_at":"2026-11-13T21:58:57+00:00","fetched_at":"2026-11-13T22:56:35+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}