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New Member

ISDN BRI with PBX

Dear All,

I'm unfamiliar and newbie to the VOIP system and need to setup small system for branch office.

I've just dug out a few related post from here (thank you netpro) and would like to ask a few question.

Here's the most similar example for my case.

please see the attach for sample diagram.

http://cisco.com/application/pdf/paws/15415/bri_voice_port_cfg.pdf

http://www.cisco.com/en/US/docs/voice_ip_comm/cucme/pbx/interop/notes/210781al.pdf

How can I configure for all international outgoing and incoming call ( with/without CUCM connection somewhere) in my router ?

Is it possible to configure all the call routing inside PBX ?

Please advise me how to set up in simplest way.

Thanks in advance

9 REPLIES
Hall of Fame Super Gold

Re: ISDN BRI with PBX

What is that you want to do in practice ?

If you're the endu user I recommend you locate a reputable cisco consulatant, because if you try this alone, you can semd a lot of time beforemaking it work 100% perfect.

New Member

Re: ISDN BRI with PBX

Thank you bevila,

I'm not going to do it for practise.

I'm quite familiar with IP routing and switching but not with the Voice traffic.

I need to set this up with PABX vendor and i'm afraid some sort of issue will arise.

Hall of Fame Super Gold

Re: ISDN BRI with PBX

No issues as long the right equipment is used with the right configuration.

New Member

Re: ISDN BRI with PBX

great, any kind help for the sample working configuration with international DID numbers ?

Hall of Fame Super Gold

Re: ISDN BRI with PBX

It really depends on what you are doing, internal calls usually are dialed 00[1-9]

New Member

Re: ISDN BRI with PBX

let's say my telco assign 083 1234 500 to 083 1234 550 for my office.

How should I configure the dial peer for both outbound and inbound call ?

Hall of Fame Super Gold

Re: ISDN BRI with PBX

Are you placing the router between PSTN and PBX, or are you placing it on a separate PBX interface ?

In any case, begin with:

http://www.cisco.com/en/US/tech/tk652/tk90/technologies_tech_note09186a008010fed1.shtml

You need to at least learn the fundamentals before asking others for more help.

New Member

Re: ISDN BRI with PBX

i'm placing it on separate PBX.

Can it be done if the router is only connected to PBX and IP network ?

there's no direct PSTN connection to PBX nor router.

grazie paolo

Hall of Fame Super Gold

Re: ISDN BRI with PBX

Yes, it can be done.

Again,please study a little when you have the router, what you want to do is not complicated but requires attention.

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