Random 911 calls

[jvidaurri1]

Hello, First off I would like to say that these forums are invaluable to the knowledge I gain in my field. I find so many answers here and I appreciate everyone who contributes to the Q and A's on this forum.

So, Here is the issue. I have been wracking my brain trying to figure out an issue for one of my locations that is during non-business hours and during business hours producing random 911 calls from the main line. Any insight on this issue would be greatly appreciated. They are on a CUCM on Version 9.1.2

Thanks,

Leon V.

[Manish Gogna]

Hi Leon,

Most likely this issue is caused by an overlapping dial plan. You can check the Route plan report ( Call Routing > Route Plan Report ) from cucm admin page and see if there are any overlapping patterns like 911 , 91XXXXXX , 91.! etc. For that specific location check the CSS assigned to the phones and the route pattern partitions to which they have access.

Manish

[jvidaurri1]

Manish,

Thank you for your response, I am going to look into this as a possible explanation and let you know.

Thanks,

Leon

[Chris Deren]

Accidental 911 calls are common when you use 9 as off-net access code. No easy way around it short of changing access code to 8 or something else, or introducing delay when dialing 911 (not recommended).  

Are you looking who is making these calls? If so CDR records will show you that.

[jvidaurri1]

Thanks for the reply, yea the site is set up to dial 8 first. The calls are being made during non-business hours.

Thanks,

Leon

[Chris Deren]

Can you look for 911 calls in CDR records on CUCM via CAR tool?