[cisco-voip] E164 Alt Ext and Cisco Unity

[Austin Williams]

 Mostly because we are using multiple ranges with different NPAs NXXs and
our original design called for 3 VoiceMail Profiles, One for Call Handlers,
One for Users With Mailbox and One for No VM at all.

2 systems ago on call manager 9 we used 5 digit DNs with VM boxes built
with 5 digit DNs to match.

1 system ago I brought them to 10 digit DIDs and set up a series of Number
expansions to allow intra-site 5 digit dialing and built the VM boxes with
10 digit dids to match.

This iteration I brought them to Full +E164 and took advantage of the
Alternate Extension settings on each line to get 10 and 5 digit dialing
working.

What I didn't realize was how much trouble I was going to have with unity
this time around. With the number expansions unity was always receiving the
same number regardless of if i dialed 5 or 10 digits. On my new build unity
is getting 11, 10 and 5 digits and without setting alternate extensions on
the unity side has no idea what to do with them. Additionally due to our
size I cant set the 5 digit alternate extension on unity because we are
going to run into overlap with multiple sites. Call manager addresses this
with CSS and Partitions, Unity has the same feature but what I can't figure
out is how to get unity to understand this is a 5 digit for site A not a 5
digit for site C when all it gets from call manager is 5 digits.

So what I've decided to do is Bills and Andrew's suggestions of using a
Voicemail Profile Mask. I'm going to have to build one for each site and a
few sites are going to have multiple depending on their NPA and NXX but
it's the cleanest way to do this I've found so far and with Bulk admin I
can get it done quickly.

Florian I am going to look into your suggestion more but I've never used
one yet so it's going to be an interesting read.

Thanks,

Austin John Williams

Email: austinwilly at gmail.com

Phone: 7632861445


On Fri, Oct 8, 2021 at 8:33 AM Andrew, Derek <derek.andrew at usask.ca> wrote:

> While you posted a very interesting question, I wanted to ask why you
> didn't use
> Advanced Features>Voicemail>Voice Mail Profile Configuration
> to set a mask when sending the call to Unity.
>
> d
>
> Copyright 2021 Derek Andrew (excluding quotations)
>
> +1 306 966 4808
> Communication and Network Services
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> ------------------------------
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On Wed, Oct 6, 2021 at 10:38 AM Florian Kroessbacher <
florian.kroessbacher at gmail.com> wrote:

> Hy
>
> what is in the SIP Message towards the Unity. Is there the Fully DN in the
> Message, so u should be able to change the forwarding Information to thst
> value on the SIP Trunk to Unity with a LUA Script
> Am 5. Okt. 2021, 22:19 +0200 schrieb Austin Williams <
> austinpucknether at gmail.com>:
>
> Hi All,
>
> We are running into an issue and have sought help from Cisco TAC who has
> not been able to help us on this issue. Currently we are running a Full
> +E164 numbering Plan with both 5 digit Enterprise Alternate numbers and
> +E.164 Alternate numbers. So to give an example of a Test phone I have set
> up:
>
>
>    - Directory number: \+150259663629
>    - Enterprise Alt
>       - Number Mask: XXXXX
>       - Alternate Number: 63629
>       - Route Partition: 9999-EALT-PT
>    - +E.164 Alternate Number
>       - Number Mask: XXXXXXXXXX
>       - Alternate Number: 5025966329
>       - Route Partition: 0-KHC-EntAltExt
>
>
> When this phone is dialed by either the 5 digit or 10 digit and forwards
> to voicemail the redirected and last redirected number that Unity Receives
> is the Dialed number, either the 5 digit or 10 digit, and as we have not
> configured ALT extensions on the mailboxes it fails to find the correct
> box. If I set the Alt ext on each Unity mail box it does function and I can
> do that for the 10 digit, I am going to run into an Issue setting the 5
> digit as an Alt extension on the mailboxes as we are going to overlap on
> multiple sites.
>
> What we are trying to do is find a way to tell the call manager to send
> the full +1XXXXXXXXXX as the Last Redirected Number when either the 11
> digit full, 10 digit or 5 digit number is dialed. We have tried a *Called
> Number Transformation* to no result and have messed with the device pool
> setting  *“Redirected transformation CSS”* on a test DP to no effect
> either.
>
> Does anyone have any suggestions
>
> CUCM version: 12.5.1.14900-63
> Unity Version: 12.5.1.14900-45
>
> Our Unity mailboxes are built with +1XXXXXXXXXX as their D
>
> Thanks,
>
> Austin John Williams
>
> Email: austinwilly at gmail.com
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