Link PBX systems with routers

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paolo bevilacqua Fri, 06/29/2007 - 13:31
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What interfaces do the PBX's have ? Best would be ISDN PRI or BRI.

You can do the interconnection using any of the model you mentioned (the 1760 is not in production anymore), with interface and number of codecs depending on the question above.


Hope this helps, please rate post if it does!

paolo bevilacqua Fri, 06/29/2007 - 14:46
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Let's say for simplicity you go with the 2801. There is something called "2801 voice bundle" that will give you both the voice IOS, and a DSP module (PVDM2-8) good for 8 calls. If you need have 10 calls, order the upgrade that will give you PVDM2-16 instead.


Then for each router you need a module that is either VWIC-1MFT-E1 (older) or the newer VWIC2-1MFT-T1/E1 (newer, but both would work)

Check the PBX physical interface in case there is some cable that should be ordered from cisco (unlikely).


Your reseller should know all these things, if he does not, is not a good reseller.


With all the above you can support QSIG no problems. There are documents to facilitate the configuration for both routers and PBX. Once you have the routers on network and pinging each other, come back and we go from there.


Hope this helps, please rate post if it does!

littledavewhite Thu, 07/05/2007 - 10:20
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Hi


Just to add to the previous info, you may need to use a feature called transparent common channel signalling, to connect the two PABX together. I have used it before to connect two sites together across IP when the end systems did not support IP only dpnss in the uk

mmozanen Sat, 07/07/2007 - 02:41
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Dears,

What is the configuration needed to enable the Lucent (Definity) PBX to connect to cisco 3825 router- using E1 controller-.

I mean what is the E1 channels, singlaling etc...



paolo bevilacqua Sat, 07/07/2007 - 03:32
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Hi,


Do you have ISDN PRI on the PBX ?

This is a configuration guide:


http://www.cisco.com/en/US/products/sw/iosswrel/ps5207/products_configuration_guide_chapter09186a008020ece6.html


Remember to make the cable correctly and not use any spare ethernet cable without recrimping, else it won't work.


Hope this helps, please rate post if it does!


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