Yes, I’ve worked with FlyingVoice gateways (G508 and G504 models). Overall, they’re quite stable once properly configured. For Avaya environments, I’ve seen better results sticking with the original FlyingVoice firmware, as Avaya-branded versions can be more restrictive or outdated depending on the release channel.
Just make sure you’re running the latest stable firmware from FlyingVoice’s official site, and double-check SIP compatibility settings if integrating with Avaya IP Office or CM. Once set up, they tend to be reliable for FXS use cases like analog phones or fax.
Is it stable?
You use Avaya firmware or original firmware (g508/g504 or FTA5102E2)big
Regards
K
I’ve had a similar experience — the FlyingVoice gateways are generally stable, but configuration makes a huge difference. I used both G504 and FTA5102E2, and while the Avaya firmware seemed appealing at first, it limited some of the more flexible SIP options. The original FlyingVoice firmware performed much better, especially for mixed environments where different SIP devices are involved.
One thing I’d recommend is disabling unnecessary SIP ALG settings on your network router — that alone solved some intermittent registration issues for me. Once everything’s tuned, these gateways run smoothly for months without needing a reboot.
If you’re planning to use them for analog lines or fax integration, the G508 has been rock solid in my setup.
Yes, I’ve used FlyingVoice gateways before they’re pretty stable overall. I’d recommend sticking with the original firmware unless you need specific Avaya integrations. It tends to perform better and is easier to update.iptv uk
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