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prefix 9 to dial out-- really?

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hrod761

IS-IT--Management
Jun 2, 2013
3
US
Hi guys,

looking for a quick answer here, we are in the process of deploying our new mitel phone system. On Friday i talked to the engineer configuring the system and he told me we must have a prefix in our dial plan for outbound calling. is this true? if so, is there a way around that?

our setup is very vanilla no restrictions on any extension, with our current phone system we just dial the 11 digits and off we go.

Thanks,




 
You can have external dialling without a prefix , but it will lead to dialing conflicts - not a problem but there will have to be a delay on some calls whilst the pabx waits to see whether you have finished dialing.
Most Mitel and NEC installations that I have seen are set to use a dialing prefix. Avaya IP office are normally not

If I never did anything I'd never done before , I'd never do anything.....
 
If your referring to a 3300 then:
Quick answer, not needed but preferred.
To make things easier plan your extension numbers accordingly to avoid conflicts.
 
Not required but most people use it to seperate outdialing from internal. Allows you to plan better to avoid toll fraud in that you can restrict dial 9 via voicemails versu more complex restrictions.

I'd tell you a UDP joke but I'm afraid you won't get it. TCP jokes are the best because you always get them.
 
3300 - Can do it and is not too big an issue if you are in a 10 digit local dialing area

Any other Mitel cannot.

Next time give us the system type please.

**********************************************
What's most important is that you realise ... There is no spoon.
 
Thank you guys for the prompt replies. Here is our setup

3 remote offices - with a 3300 at each location single PRI for local calling
1 datacenter - with sip trunk as backup

all connected via our MPLS, all phones reside in the datacenter vMCD and have their respective local 3300 as secondary.

we are dialing 10 digits at each location, whit the following ranges for extensions: loc1=4000 loc2=5000 loc3=6000

do you guys forsee any problems with that setup and getting rid of the prefix digit?

Again Thank you for your feedback.

 
Assuming you are in USA or Canada

There may still be an issue if your local area codes start with 4, 5 or 6

There may also be other DN's that you are unaware of that could potentially conflict with 1+ dialing

You want your system(s) to be completely clear of anything starting with the digit 1

If your systems use dial 0 to reach the attendant(s) then you will have to retain 9+0 and 9+01 for 0+ dialing.

If you are in Europe or elsewhere wait for someone there to give you advice.

**********************************************
What's most important is that you realise ... There is no spoon.
 
Thanks for all the advise.

I have another questions regarding a sip trunk between my vMCD and a trixbox(current system) should i start a ne thread for this?

Best Regards
 
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