Push-to-talk voice
Operational- Voice connections that worked
- 100%
- Time to get the channel (p95)
- 47ms
OnSiren network
Network status
Connectivity and communications service health.
Live feed connected
Updated 14:52:00 BST
All monitored services operational
UK network
- Channels live
- 1,965
- Across the UK
- Officers reachable now
- 5,334
- Across the network
- Channels with officers on duty
- 969
- At least one officer reachable
- Channels with a live radio
- 115
- At least one radio connected
How these counts work
- Channels live
- OnSiren channels that are active and published across the UK. Demo and test channels are never counted.
- Officers reachable now
- Officers online in a live channel with their radio on, or in silent mode.
- Channels with officers on duty
- Live channels with at least one officer reachable now.
- Channels with a live radio
- Live channels with a radio connected to OnSiren voice right now.
- Totals only
- All four are UK-wide totals. None identifies an officer.
Communications health
Alpha One
Low trafficOperational- Voice connections that worked
- 100%
- Time to connect (p95)
- 4.9s
Alpha One connectivity & knowledge retrievalOperational
- Knowledge lookups that worked
- 100%
- Knowledge lookup time (p95)
- 195ms
- Knowledge last updated
- 20 Oct, 16:13 BST
- Messaging100% uptimeLow trafficOperational
- Alerts & broadcasts100% uptimeOperational
- Radio checks100% uptimeOperational
- Sign-in & channel access100% uptimeOperational
No active service disruption.
Known issues
No known issues right now.
Coverage
Live in
United KingdomOperational
© CARTO © OpenMapTiles © OpenStreetMap
Source: ONS, OGL v3.0 · Contains OS data © Crown copyright and database right 2025 · Coverage © OpenStreetMap contributors
- Coverage
- Live channel
The yellow area shows where public channels cover, to within about 2 miles, and each yellow dot is a live channel. Zoom in to see the channels’ names. The map shows roughly where channels are, never who is on them.