jack

Depending on your dial plan the easiest way may be to use Pre-Translation tables.

It will get a bit more interesting if/when an employee decides to try and dial out and back in via PSTN but still certainly possible to achieve.

Just curious why do you want to do this?

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frozenarrow

I had installed and managed both Cisco CallManager and Nortel Meridian. And I am amazed how flexible Cisco CallManager's Class of Control/Service is.

Could you elaborate more on your idea.

jack

Call manager is flexible in so far as features that they want you to believe are uinque, but severley lacking in basic PBX feature sets that are available by almost all traditonal PBX vendors.

Dollar for Dollar a Cisco solution always costs more than a Nortel solution when all of the variables -- especially DR capabilities -- are factored in.

In essence Pretranslation is akin to a speed call list. If all of your exec's were in ext. range 6xxx you could apply a pretranslation list to all phones that you do not want to access 6 or 6x or 6xx etc. so that the actual outpulsed number could be a DN to a; recording stating that you are not authorized to dial that ext., transfer to HR/Security, an intercept treatment, etc. It really depends on your imagination.

You would do well to actually study the depth and breath of the Nortel feature set via the Features and Services NTP's before being so amazed by Cisco's offerings.

Again, just why would you want to prohibit anyone from calling anyone else?

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frozenarrow

When i first came face to face with Cisco CallManager, I read some of their features and one of my concerns really is the class of service/control ability of a PABX. I came across their "Partition and Calling Serach Space" and knew about how you group certain extensions and give them the class of control they needed. It is easy how you restrict anyone from calling restricted Outside calls but how do you manage to restrict other extensions from calling restricted extensions.

One reason for this would be prank calls or unauthorized call. For example, a company's CEO's number could only be called by its secretary, other executives, and managers or maybe the attendant. Other employees would be restricted from calling this number. Without this, even a janitor using just any phone would be able to call the CEO directly, or maybe a low-position employee would just dial the CEO's number and make some prank.

If employees has concerns on top management, they would call the secretary first, or if the CEO has no secretary, they would call their respective department heads first. Then this authorized persons would be the one to elevate the problems.

I just would like to know how you would implement this scenario using a Nortel PBX. I know the capabilities of both, especially Nortel since most of my experience comes from Nortel PBX implementation.

jack

As far as prohibiting employees from calling CEO's set up CDR and have HR have a CHAT with the offender.

Obviously we come from different corporate cultures. Most CEO's/Senior mangement over here encourages ideas from the lower level folks who do the job everyday as part of their process improvement plans.

The easiet way to restrict group A from calling group B is via pretranslation.

And don't forget to restrict users from dialing out to the PSTN and back in. Nortel has an easy solution, not sure that Cisco even offers one.

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