3CX Phone System

I have a client that is currently using an old Avaya Phone system.   They want to replace the current system.  They have 4 IP Phones, about 20 regular phones and have a Comcast 16 channel PRI.    

They'd like to upgrade to 3CX on Windows.

I'm going to build a custom system specifically for the new phone system.    

1) Does the new system require any kind of special card (PRI?) if the new system is completely IP phones based?  

2) Is a Computer, a POE switch and a bunch of IP Phones all the hardware that is needed?
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tailoreddigitalAsked:
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Mohammed HamadaConnect With a Mentor Senior IT ConsultantCommented:
1) Does the new system require any kind of special card (PRI?) if the new system is completely IP phones based?  
3CX is a software based system and it only connects with IP so you will need a VoIP gateway that's supported by 3CX unless you're going for SIP trunk then you should also look under 3CX's supported sip trunks.

here's some useful links
http://www.3cx.com/voip-gateways/

http://www.3cx.com/partners/sip-trunks/

2) Is a Computer, a POE switch and a bunch of IP Phones all the hardware that is needed?

Yes, basically that's all you need if you also have the VoIP gateway. no other thing that I could think of since I already used 3CX and installed it for a customer with more than 500 extensions.


You can look up for the following links for configuration.

https://www.youtube.com/watch?v=T800Z7K8gTk
http://www.3cx.com/voip-gateways/patton-sn4940-sn4950-sn4960/
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tailoreddigitalAuthor Commented:
Can you recommend a Gateway that supports 16 channels?
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Mohammed HamadaSenior IT ConsultantCommented:
Honestly the only one gateway that I know that has 16 pri channels is quintum and I think it has been acquired by NET company and NET has been acquired by Sonus. I heard rumors that Quintum gateways are coming to end of life and no longer are going to be produced but I could be wrong.

I'll get in contact with their sales team as I know some of them and i'll let you know.  

As for Patton, I am not really sure if they have more than 4 PRI channels gateways.
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tailoreddigitalAuthor Commented:
I think i might be misunderstanding due to inexperience in this topic.  
1 PRI = 30 simultaneous calls?   i need 24 simultaneous.
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Mohammed HamadaSenior IT ConsultantCommented:
No actually it's my mistake I said 16 channels instead of lines! one PRI line provides you with 30 simultaneous calls, so if you need only 24 sim calls then you basically need one PRI card..

Patton gateway would be just perfect for your purpose. you can read more about the PRI line in this article. it's pretty good.

http://www.excitingip.com/687/what-is-a-pri-line-what-are-the-advantages-and-limitations-of-pri-circuits/
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tailoreddigitalAuthor Commented:
Have you used any Sagoma cards?   It seems like an option for 3CX.
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Mohammed HamadaSenior IT ConsultantCommented:
Not really I never used Sangoma but it could be supported. you could also use Sonus SBC it's not just a gateway. it has more functionality and supported many features. you can look up their website. btw where do you reside? I can give you a contact to talk to.
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tailoreddigitalAuthor Commented:
I appreciate all your input.   I think i have a better grasp of my task at hand, thanks.  I haven't decided which gateway but will be figuring that out shortly.
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