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Any VOIP ATA recommendations?

JSHarris

Super Pro Member
Not sure if this is the right bit of the forum, but here goes. In another thread the security weaknesses in the Cisco ATA I am using were highlighted. This has made me think about swapping it out for a more secure model. Obviously I don't want a Cisco one again, given that they don't seem to care about major security flaws.

Anyone got any recommendations for a secure, simple to set up ATA, that doesn't cost an arm and a leg and that supports two analogue phone lines please?

Because of the layout of stuff in our house I can't easily switch to a router with a built in ATA, the only point I can connect to the phone lines is less than ideal in terms of WiFi coverage (it's in a services room in the corner of the house furthest from the living areas). I've got Ethernet ports in there, wired back to a 12 port switch, as well as the master socket and backed up emergency power.
 
When I did the same thing you did - bought the Cisco SPA112 and found all the warnings about it. I researched SIP>ATA adapters and found the two recommended models are the;

Grandstream HT801/Grandstream HT802 or the Gigaset N300IP.

I bought both the HT802 and N300IP and both have their individual plusses and minuses.

One of the main issues with the Grandsteam is you will often see them for sale on the likes of eBay second hand but when you get them you see they are Vonage branded units that are totally locked down and worthless. The HT802 can be unlocked but it involves opening the unit up, buying a TTL to USB programmer and a series of pins to jam into the devices motherboard in order to do it.

Once you get it unlocked you will find you can only have one VOIP provider in the settings. But it can be powered off a 5v usb port so you can use your routers USB port to power it saving you needing to plug it in on the wall. It also works with Truecall call blockers.

With the Gigaset N300IP this allows you to have multiple VOIP providers in the settings. This means you can have one provider for incoming calls, one for outgoing and even set individual phones in your house to use certain VOIP providers while others use different ones

Problem with the N300IP it does not work with the Truecall call blocker device. And it is powered by 6.5v and a very unusual custom sized DC barrel port that is not made by any DC barrel adapters. Meaning you have to plug it in the wall for power. (It is a waste of time buying one used if they don't include the power lead adapter)

Both devices have their own individual plusses and minuses. In the end I stuck with the Gigaset N300IP as it was best for my uses. But gave all my relatives the Grandstream HT802s as it was best for all of theirs.
 
Last edited:
An old Obihai 100 or newer Obi 200, 202 or 212

The 100 is EoL and the 200 series are EoL at the end of 2023 by they are all very solid devices.

Obihai got bought by Plantronics, and why these ATA's are getting the deep six treatment.
 
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When I did the same thing you did - bought the Cisco SPA112 and found all the warnings about it. I researched SIP>ATA adapters and found the two recommended models are the;

Grandstream HT801 or Grandstream HT802 or the Gigaset N300IP.

I bought both the HT802 and N300IP and both have their individual plusses and minuses.

One of the main issues with the Grandsteam is you will often see them for sale on the likes of eBay second hand but when you get them you see they are Vonage branded units that are totally locked down and worthless. The HT802 can be unlocked but it involves opening the unit up, buying a TTL to USB programmer and a series of pins to jam into the devices motherboard in order to do it.

Once you get it unlocked you will find you can only have one VOIP provider in the settings. But it can be powered off a 5v usb port so you can use your routers USB port to power it saving you needing to plug it in on the wall. It also works with Truecall call blockers.

With the Gigaset N300IP this allows you to have multiple VOIP providers in the settings. This means you can have one provider for incoming calls, one for outgoing and even set individual phones in your house to use certain VOIP providers while others use different ones

Problem with the N300IP it does not work with the Truecall call blocker device. And it is powered by 6.5v and a very unusual custom sized DC barrel port that is not made by any DC barrel adapters. Meaning you have to plug it in the wall for power. (It is a waste of time buying one used if they don't include the power lead adapter)

Both devices have their own individual plusses and minuses. In the end I stuck with the Gigaset N300IP as it was best for my uses. But gave all my relatives the Grandstream HT802s as it was best for all of theirs.
Many thanks, I've opted for a Grandstream HT802, as it looks like it will do all we need.
 
If you want to go one step further have a look at Ward Mundy's *Incredible PBX for RaspberryPi* project.


It's a pre-configured full Asterisk PBX image for the Pi. Very easy to install & setup with some *incredible* (pun intended!) features

Any ATA can be integrated or use a SIP end point directly. Rock solid enterprise quality Cisco 7970 phones are pretty cheap pre-owned.
 
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