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14 posts

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# 100749 18-Apr-2012 10:27
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Currently I have a large number of DDI numbers over a PBX(over digital lines using ATA). What I want to do is transfer the whole lot over to 2talk or similar VOIP providers and get rid of the analog line if possible.

When these DDI numbers get ported to 2talk, are they separate entities that do not depend on other numbers to be active for it to run normally?

These VOIP stuff seems simple enough to setup but as soon as DDI numbers behind the PBX go into the mix, I get confused.

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  # 611021 18-Apr-2012 10:33
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Your current setup is a bit confusing - can you elaborate?  Do you mean that you currently have an ISDN trunk with DDIs?  Who is your current provider?

In any case, if the DDIs are ported then they become separate lines/numbers with whatever VoIP company you bring then to




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  # 611041 18-Apr-2012 11:07
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Thanks for the reply by the way. I am not an expert in this area by any means. Please correct me if I'm wrong.

Yes, it is an ISDN trunk with DDIs.

Perhaps removing the ISDN line once all numbers are ported over to VOIP is the next step? Just confirming since you mentioned that they are separate lines.

 
 
 
 


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  # 611044 18-Apr-2012 11:11
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They become separate lines when ported.

To port them, you'll have to port the ISDN pilot number, and all the DDIs in one go.  This will disconnect the ISDN trunk at the same time

Cheers

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  # 611046 18-Apr-2012 11:16
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It's pretty easy with VFX, you need to set the incoming context to pass the DDI and then set seperate inbound routes for each (presumig youa re using ASterisk). Sbiddle will be able to help you with this.




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  # 611072 18-Apr-2012 11:45
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Msnforum: Currently I have a large number of DDI numbers over a PBX(over digital lines using ATA). What I want to do is transfer the whole lot over to 2talk or similar VOIP providers and get rid of the analog line if possible.


You probably want to get a reseller to help you with this.  There's plenty of them here on Geekzone.

My past experience with porting big DDI ranges is the losing provider will not let a couple of the numbers go - you have to port the whole block.


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Master Geek


  # 611079 18-Apr-2012 11:55
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If you are considering moving to SIP trunks from ISDN check that your PBX supports it. If not there are SIP providers that can provide ISDN-SIP gateway solution for backward compatibility. Also, SIP can be delivered over private network away from the Internet that maybe for suitable in terms of voice quality, security and SLA backed. Have a look around as there are options available.

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  # 611102 18-Apr-2012 12:25
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How are you planning on integrating the PBX with a VoIP provider?

You'll firstly need to decide if you're going to go down the path of a true SIP trunk with these additional numbers purely as a block of DDI's routed over the connection, or whether you're going to need 10 (or however many DDI's you have) individual SIP registrations to handle the numbers. The first approach is the best.

IMHO if you need to ask questions about how this works you'd be far better off getting an expert to deal with things to avoid any potential issues.

As mentioned elsehwere if you're porting a PRI or BRI connection and DDI numbers associated with this you really need to move everything at the same time.






 
 
 
 




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  # 611116 18-Apr-2012 12:49
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I'll be looking around for reseller soon to work out what they can offer us to manage some of ours setups.

It is just a case of me getting familiar with the current setups before knocking down doors.

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  # 611118 18-Apr-2012 12:53
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In which case the simple answer to your question is "it depends", because it depends entirely on how you want to set things up.

In the SIP world a number doesn't equal a line, in the same way they aren't related to each other in the ISDN world. Multiple numbers can work over a single SIP trunk or ISDN trunk.

If you port each number individually you'll have multiple numbers with multiple registrations. If you have a true SIP trunk you'll have X number of concurrent calls over this trunk and numbers are simply routed over it.


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