Reddit reviews Grandstream 4-port FXO Gateway, GXW4104
We found 2 Reddit comments about Grandstream 4-port FXO Gateway, GXW4104. Here are the top ones, ranked by their Reddit score.
The GXW410x FXO gateway series enables businesses of all sizes to create an easy-todeploy VoIP solutionThese FXO gateways offer the ability to seamlessly connect multiple locations and all devices within an office to any hosted or on premise IP PBX network to make deployments as easy as possibleThe GXW4104 includes 4 FXO ports, 2 10/100 Mbps ports and supports SIP video through the H.264 codecAdvanced security protection with SRTPPSTN Failover on power failure
I have used these to great success in the past with asterisk-based systems. They make an 8-port version too.
However, it's always better to use a SIP trunk instead, with proper QoS on your firewall.
You need some sort of IP bridge here, see if you can do SIP to something like this:
https://www.amazon.com/GrandStream-GXW4104-8-port-FXO-Gateway/dp/B001NHNW4U
What kind of ATA card does the system have now? Might be telling in what can be done here. How many lines?
When it comes up in your DR location you could then cut the SIP connection over to somewhere else. Or maintain that bit of duplicate infrastructure.