SIP US logo

Is SIP US down?

No reported issues

From status.sip.us · checked 1 minute ago · every 5 minutes

Get alerts for SIP US

An email when it goes down, and when it’s back.

As of 03:27 UTC on 12 November 2026, SIP US's status page reports no issues. Its last reported problem was on 28 October 2026: “Inbound Calling Degradation Under Investigation”, critical, for 4 h 23 min from 12:51 UTC.

Last problem
28 Oct · 4 h 23 min
Problems, last 30 days
2 (2 critical)
Typical incident
4 h 56 min
Longest in 90 days
4 h 56 min · 21 Oct

Uptime

SIP US, last 30 days

97.81 %

100%85%70%
Oct 14 Today

Biggest dip: SIP US, 4.9 h of critical on Oct 21.

Incidents

Started in the last 7 days

0

210
FSSMTWToday

This week Week before

No incidents this week. The last one: SIP US, critical on Oct 28.

Recovery

Median time back online

4 h 39 min

4 h 56 min0
30 days ago Today

0 of 2 were over within an hour. Each dot is one incident; the dashed line is the median.

Components 6

All online

  • Management Portal
  • Fax Service
  • Ticketing Support
  • Messaging
Voice 2 parts
  • Inbound Voice
  • Outbound Voice

Last 90 days

2 incidents in 48 days tracked · no reported issues 99.2% of the time · typical incident 4 h 56 min

Aug 15 Today (UTC)

Recent incidents

Times in UTC

  1. Critical
    Inbound Calling Degradation Under Investigation 4 h 23 min
  2. Maintenance
    Back End SIP Maintenance 58 min
  3. Maintenance
    Backend Faxmail Database Maintenance 2 h 1 min
  4. Maintenance
    Back End SIP Maintenance 1 h
  5. Critical
    SIP.US Security Advisory: PHP2SHELL Vulnerability 4 h 56 min
  6. Maintenance
    Backend Portal Maintenance 1 h
  7. Maintenance
    Gateway Maintenance 1 h
  8. Maintenance
    Back End SIP Server Maintenance 1 h
  9. Maintenance
    Back End SIP server Maintenance 1 h
All incidents on status.sip.us ↗

Where this comes from

Stackpulse reads SIP US’s official status page at status.sip.us every 5 minutes and keeps 90 days of what changed. We don’t test SIP US ourselves, so a problem shows here once SIP US reports it.

Stackpulse isn’t affiliated with SIP US. Names and logos belong to their owners.

For agents and scripts

The same data as Markdown for AI agents, updated every 30 seconds. With Pro, the API and the MCP server give scripts and AI assistants every service and your own dashboards.