[cisco-voip] CCS and Partitions best practices

Fri Apr 8 18:33:31 EDT 2005

Good start.

I hope you have more then one gateway, right?  I would make 911 it's own
partion and route it out the local gateway.

Then I would probably make two more partions.  HQ_DN's and Br_DNs.

HQ_CSS

HQ_911

HQ_DNs

BR_DNs

HQ_LD

HQ_International

HQ_Toll Free

BR_CSS

BR_911

BR_DN

HQ_DN

BR_LD

BR_INTERnational

BR_toll free

That way you can make sure that all 911 calls go out the local PSTN
connection.  And if you want all calls to just go out the main PRI the
CSS could be the same except for the 911 calls 

I'm getting ready to do toll bypass.  And AAR with it......... Data
entry anyone.

Scott

________________________________

From: Marcello Pedersen [mailto:mpedersen at touchbase.us] 
Sent: Friday, April 08, 2005 2:20 PM
To: Voll, Scott; cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] CCS and Partitions best practices

So let say I have 2 sites with centralized CCM. 

Site A :

HQ_CCS

and three partitions 

BR_911_local_and_toll_free

BR_Long_Distance

BR_International

Site b:

Branch_CCS

and three partitions 

BR_ 911_local_and_toll_free

BR_Long_Distance

BR_International

There shouldn't be a problem with user A calling user B right?

 -----Original Message-----
From: Voll, Scott [mailto:Scott.Voll at wesd.org]
Sent: Friday, April 08, 2005 2:07 PM
To: cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] CCS and Partitions best practices

	To add to that we have two different CSS in each location.  One
for staff so they can call long distance and one for common area phones
that can only dial local.  If you're a larger enterprise you might look
at doing it by department.  It all comes down to how you want to service
people.  I think it's best to keep your options open. More partions more
CSS add complexity but they also open up more options.

	Scott

________________________________

	From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Lelio Fulgenzi
	Sent: Friday, April 08, 2005 1:11 PM
	To: cisco-voip at puck.nether.net
	Subject: Re: [cisco-voip] CCS and Partitions best practices

	There is a fundamental restriction with the number of
'characters' a calling search space can contain in it's partition list -
I'm pretty sure that number is 512 characters. That means there is no
limit to the number of partitions in a calling search space per se, but
the list of partitions, including the semi-colon seperator can not
exceed 512 characters.

	That being said, devices of a similar nature/purpose should be
grouped together in their own partition, allowing you to control access
to those devices. Voicemail is a good example of one where you really
don't want people to access the ports directly, you want them to access
a pilot and the pilot number is a translation to the first voicemail
port which rings busy/noanswer to the next voicemail port.
Coincedentally, this structure has changed in 4.0, voicemail ports no
longer have a ring busy/noanswer destination. However, this still
doesn't change the principle behind 'hiding' the voicemail ports.

	It also depends on the dialplan strategy you take with respect
to off-net access. We've taken an approach where the device has access
to all offnet patterns and the line's CSS included route patterns that
block access.

	Something to remember, is to keep the <none> partition empty.
Since by default, the <none> partition is searched, there is no easy way
to block a CSS from searching the <none> partition for a DN to match
other than explicitly adding route patterns that block it. It is handy
to have an emergency number there so a phone, even misconfigured, can
still call the emergency number. 

		----- Original Message ----- 

		From: Marcello Pedersen <mailto:mpedersen at touchbase.us>

		To: cisco-voip at puck.nether.net 

		Sent: Friday, April 08, 2005 3:59 PM

		Subject: [cisco-voip] CCS and Partitions best practices

		Hey Everyone,

		I am wondering what are the best practices for
implanting CCS and partitions. Should each site have its own partition
and CCS? How about VM ports should they be in a in its own partition. 

		also can I forward a DN to the VM pilot number so user
can access centralized VM from the road?

		Regards,
		Marcello

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