While it does not come with a complete manual, you can easily find one online. For those of you that are not voip geeks or telecom savvy, if you incoming calls are not registering, change the voip gateway your ata is registering with if they have multiple gateways for your subscriber area. My outbound calls were being handled correctly on a gateway that I selected. It was inbound calls that were not. This was not related to voltage or cycles or waveform type immediately - this is based on the telco standards serving your area. When I modified the voip gateway to a different host, all was golden.
Verified purchase: Yes | Condition: New
The unit worked without a hitch. I was able to configure and install with ease. I could not ask for more. There is enough documentation online so product configuration was a breeze.
Verified purchase: Yes | Condition: New
Works perfectly with Callcentric VOIP, 5 stars *****
Verified purchase: Yes | Condition: New
Condition was like new. To use it had to do a reset to default values via phone.
Verified purchase: Yes | Condition: Pre-owned
Verified purchase: Yes | Condition: Pre-owned
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