Insights & Resources

See Telnyx Remote Call Recovery In Action

Join Telnyx Engineer Ramon Torres as he demonstrates just what happens when one of our hosted tankers fails.

Pete Christianson
Telnyx Remote Call Recovery means our network can sustain entire site failures without dropping a single call.

This short video shows just what happens if one of our hosted tankers fails, which would typically result in all existing calls being dropped.

Recover and Reconnect Calls

With Remote Call Recovery — all calls that existed on the server are recovered and reconnected within seconds. Based on the strength of our global network, we ensure ultimate network reliability and uptime to support crystal clear calls.

How Remote Call Recovery Works

A back-to-back user agent (B2BUA) service operates between both endpoints of a phone call and divides the communication channel into two call legs.

Most B2BUAs provide local redundancy and call recovery, so that when a node fails all calls can be quickly automatically recovered. But if the entire server fails, a network issue affects all local nodes, or a cloud provider goes down, all the data about active calls is lost, which means all calls are dropped with no path to recovery.

Remote Call Recovery allows for our remotely deployed nodes to recover calls from a failed B2BUA node. We do this by sharing call state across multiple sites B2BUA nodes. Any infrastructure failure is quickly detected by our monitoring mechanisms and the Remote Call Recovery process is triggered instantly — causing almost zero downtime.

You can find more info on our unparalleled network here or get in touch with our team of experts 24/7.
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