VoIP newbie needs guidance

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Philip Ellis

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Hi

I'm new to VoIP and looking for some guidance, if you can help.
If it helps, I'm UK-based.

I currently have a single, normal telephone line coming into my house. I've created a 3CX system with their Debian ISO file and created a couple of extensions for test purposes. Rudimentary checks with the iPhone app show that these are working fine (with the limited configuration that I've done, so far).

My idea is that I use VoIP within my house and any external calls go over my existing line with its number presented as it does now. All calls coming into the house will use my existing number and ring on VoIP phones that I've yet to purchase.

Without spending thousands, I'm looking for recommendations/experiences that others have.

I think I need the following:

1) A box to interface 3CX with the outside world. From what I've read, I think a device with a single FXO port will do the trick.
2) A number of handsets - I have an office where a "normal" phone would be fine. i.e. it sits on the desk and stays there. For other handsets, I want to have them wireless so that they can be used anywhere in the house. If possible, I want all the handsets to be able to share a contact list which is stored in 3CX. Even better would be the ability to sync contacts with a MS Office 365 account but I think that's probably only available on the paid-for version of 3CX.

Is it possible to use kit that isn't on the 3CX hardware lists?

Can you help, please?

Many, many thanks in advance.

Philip
 
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One other thing that I'm not entirely sure about is the SIP User ID in the HT-503.

I've used "10000" for both the SIP User ID and Authenticate ID in its settings.
I'm not sure this is correct, even though the 3CX config implies that it is.

3CX:

3CX-Authentication.jpg

HT-503:

HT-503-Authentication.jpg
 
That should be fine!
 
I have a couple of 3102s around that I'm happy to let go for cheap to 3CX forum users. I have a few of all of the others as well, 2012, PAP2Ts and a couple of Grandstream units. I also saw someone is still using SPA-941s and believe it or not I still have some of these as well as 942s.
 
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