Use cases
Software Products E-commerce MSPs Schools Development & Marketing DevOps Agencies Help Desk
Company
Internet Status Blog Pricing Log in Get started free

Outage in Daily

SIP / PSTN Disruption

Resolved Major
February 18, 2026 - Started 2 months ago - Lasted about 5 hours
Official incident page

Incident Report

We are currently investigating an issue affecting SIP / PSTN inbound calls. Customers may encounter 480 “Temporarily Unavailable” errors when attempting to receive calls. Our engineering team is actively working to identify the root cause and restore service.

Trusted by 1,000+ teams

Never miss outages in third-party dependencies

Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.

IsDown status aggregator dashboard
Latest Updates ( sorted recent to last )
RESOLVED 2 months ago - at 02/18/2026 03:55PM

This incident has been resolved.

MONITORING 2 months ago - at 02/18/2026 02:19PM

The fix from our upstream carrier partner has been applied, and service has been restored for SIP/PSTN dial-in (inbound) calling. We are seeing successful inbound call connections again, and our internal testing confirms recovery.

We are continuing to monitor closely to ensure stability and full recovery.

IDENTIFIED 2 months ago - at 02/18/2026 02:18PM

Our upstream carrier partner has identified the root cause of the issue impacting SIP/PSTN dial-in (inbound) calling and has implemented a fix.

Service is beginning to recover, though some degradation may still be present while the fix fully propagates. We are actively monitoring and working to confirm full restoration of inbound calling.

Outbound (dial-out) calling remains unaffected.

INVESTIGATING 2 months ago - at 02/18/2026 11:31AM

We are currently investigating an issue affecting SIP / PSTN inbound calls. Customers may encounter 480 “Temporarily Unavailable” errors when attempting to receive calls. Our engineering team is actively working to identify the root cause and restore service.

Latest Daily outages

Issues joining calls - 20 days ago
Issues with inbound phone calls - about 1 month ago
Webhook delivery delays - about 1 month ago

Never miss outages in third-party dependencies

With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.

Start free trial

No credit card required · Cancel anytime · 6320 services available

Integrations with Slack Microsoft Teams Google Chat Datadog PagerDuty Zapier Discord Webhook