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 VoIP for 1950s phones
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 Return to top of page · Post #: 1 · Written at 9:23:51 PM on 11 October 2025.
OliBHolmes's avatar
 Location: Nuriootpa, SA
 Member since 28 June 2025
 Member #: 2734
 Postcount: 96

I am getting VoIP in my house, am I correct in thinking that if I want to use my rotary phones as my house phone in VoIP, I only need an ATA box? And that it is plug and play?
What ATA box should I use? Can I have multiple phones running from the same box or do I need a seperate box for each phone?
Thanks,
Oli


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Unqualified, unsupervised, and inexplicably alive...

 
 Return to top of page · Post #: 2 · Written at 5:55:52 AM on 14 October 2025.
Brad's avatar
 Administrator
 Location: Naremburn, NSW
 Member since 15 November 2005
 Member #: 1
 Postcount: 7643

Never heard of an ATA box, though if you mean the device mentioned at times by GTC - the dial gizmo, I would imagine you'd need one for each phone. Given that there is no telephony anymore, I am not sure if the gear needs to be ACMA approved or not.


‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
A valve a day keeps the transistor away...

 
 Return to top of page · Post #: 3 · Written at 8:58:46 PM on 14 October 2025.
OliBHolmes's avatar
 Location: Nuriootpa, SA
 Member since 28 June 2025
 Member #: 2734
 Postcount: 96

Thanks for the reply!

ATA = analogue telephone adapter.

If thats the case, that's really annoying! Dashed are my hopes for one phone per room - probably a little ambitious anyway. Here's the box I was looking at:

https://www.ozitelecom.com.au/product/grandstream-ht801-1

Oli


‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
Unqualified, unsupervised, and inexplicably alive...

 
 Return to top of page · Post #: 4 · Written at 4:16:52 PM on 16 October 2025.
Relayautomatic's avatar
 Location: Canberra, ACT
 Member since 24 April 2012
 Member #: 1136
 Postcount: 176

Hello Oli,

Yes an ATA such as the Grandstream 801 will work for you however there are a few extra considerations.

First the ATA has to be able to cope with decadic/LD (pulse) dialling if you want to dial out. I think that the Grandstream 801 does but I'm not sure; most ATA do not. Second it will need to be configured as it is not 'plug and play'. Thirdly the Grandstream 801 has two ports so it can connect two phones but I think that you could only use one at at time given that you would only have one VoIP link. I suggest that you ask Ozi Telecom for advice on this.

I am not sure whether you could rig an extension arrangement to have more than one phone on a port but again you would be limited to one conversation at a time.

Andrew


 
 Return to top of page · Post #: 5 · Written at 11:52:21 AM on 17 October 2025.
Relayautomatic's avatar
 Location: Canberra, ACT
 Member since 24 April 2012
 Member #: 1136
 Postcount: 176

PS. The Grandstream 801 has one port while it is the Grandstream 802 that has two ports.

The following links may give you more information:

https://www.classicrotaryphones.com/forum/index.php?topic=20386.0

https://www.classicrotaryphones.com/forum/index.php?board=57.0


 
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