Is it possible to allowing a 900 number for a single user?

Unanswered Question
Mar 19th, 2009

We are blocking 900 numbers on our network which works great...this is intended to prevent calls to 900 numbers in the USA.

However, I also have a facility in Mexico and for them 900 numbers are legitimate.

Specifically I would like to allow a single user the ability to dial 019008494949 which is a government office.

Is this possible?

I have this problem too.
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Jaime Valencia Thu, 03/19/2009 - 19:12

i'm going to assume this is CUCM, if so yes.

simply play with partitions and CSS.

only users in Mexico can reach the route pattern that routes the call, any other user should reach the one that blocks the call



if this helps, please rate

phretbored Fri, 03/20/2009 - 09:23

Yes we are running CUCM

Your suggestion is valid but how will that allow only one single user at our Mexico facility access to this 900 number?

For some reason I am not making the connection.

chrisluven Fri, 03/20/2009 - 09:32

Create a partition where you put the phone in, put this partition in a css e.g css-0900allowed, create a Route Pattern where 0900 is allowed and put this in the PT where you put the phone in.

Additionally put the regular outgoing-enabled PT in the same css.



Jaime Valencia Fri, 03/20/2009 - 09:48

exactly what do you mean you're not making the connection???

partitions and CSS are basic building blocks on CUCM. you need to have a good understanding on how they work because that's all you need to do to achieve this.

it works because that user has access to a pattern that routes the call, and any other user hits the block this call pattern. just as Chris nicely explained

Calling Privileges in Unified CM



if this helps, please rate

chrisluven Fri, 03/20/2009 - 09:51

I think he doesn't understand how it is possible to give one user the ability to call the specified number by playing with CSS and PT.

I gave him an idea how to implement.

Maybe he now understands.



phretbored Fri, 03/20/2009 - 10:36


no harm no mind has been wrapped around several other things here so i was not thinking clearly and only half focused when i posted...

actually i have never had a request of this nature before that would apply to a single user...but yes i understand the mechanics behind it.

great to know for future use!

thanks for the replies i will implement this and report back!


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