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AA Direct routing - 404 Not Found

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bibawa
New Contributor

Hi,

 

I've an issue with Teams and Auto Attendant (AA).

I've created an resource account, assigned a virtual phone system license to it (the free one) and assigned an available phone number to that account which is available on my local SIP trunk via SBC.

After that I assigned that RA to my AA. 

 

When I call the AA number , this isn't working. In My SBC logs the calls get disconnected with an error 404 NOT FOUND - UNASSIGNED NUMBER.  It seems that MS isn't aware of my on prem number.

For testing purposes I removed the number for my RA and assigned it directly to a user, and this is working as expected..

 

After Googling some time it seems that this is a 'know' issue, where time will fix the issue. At the moment i'm waiting for more than 5 days, and it is still not working.. Also created an case with MS, but they can't get it fixed. Now they are telling me that the issue is that my calling numbers aren't formatted in E.164 format.. Could be, but why is it than working when I assign that number to a user directly..

I added some manipulation to my sbc config in a way that my numbers are E.164 compliant, but no luck.

 

Does anyone have any idea how to get this fixed so that we can migrate our numbers to DR?

 

Brg,

 

3 Replies

@bibawa I had a similar problem when started to assign DR numbers to resource accounts for QC/AA. I had to start a support case with Microsoft and it took them a while to escalate the ticket to 2nd line that did a "synchronisation" to get it to work.

@Linus Cansby Yeah I also opened a case for one week now and also referenced them to this blog https://ucstatus.com/2019/05/14/how-to-assign-a-direct-routing-number-to-an-auto-attendant-or-call-q...

 

IN the comments you see a lot of people with the same 404 not found error.. I also asked them to run a synchronisation but it seems that guys can't escalate this case..

They now tell us that the numbers aren't E.164 normalised blabla.. But it is working when you assign the number directly to a user so this has nothing to do with sbc/number normalisation..

 

brg,

 

I think your only hope is to get them to escalate the ticket. There should be a mail address to a support manager in the emails that you get from Microsoft Support, add that person to your conversations.

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