Solved: Extension mobility emergency dialing

Steven Johnston · ‎03-28-2018

We have a single cluster hosting multiple sites with EM enabled for all users. All external calls including emergency calls are routed out a SIP trunk hosted in a central datacenter. There are no local gateways at any site.

As a result when EM users travel between different sites and dial emergency numbers it causes a problem as their calling number is from their home site.

I can't really see a solution to this, has anybody any experience of this issue?

Jonathan Schulenberg · ‎03-31-2018

Additionally, customers with a small number of sites can use the Emergency Call Handler in CUCM 11.0+ as a very basic CER alternative. It will only get as granular as the Device Pool but that is often sufficient in areas where there are no E911 laws.
https://www.cisco.com/c/en/us/support/docs/unified-communications/unified-communications-manager-callmanager/200452-Usage-of-Native-Emergency-Call-Routing-F.html

View solution in original post

Jaime Valencia · ‎03-28-2018

You could try device mobility to block those calls, or this would be more of a user education scenario and you'd need to explain them to not use 911 or call from other local device

HTH

java

if this helps, please rate

Brian Meade · ‎03-28-2018

You need CER or RedSky to route 911 calls based on switchport or IP subnet instead.

Jonathan Schulenberg · ‎03-31-2018

Additionally, customers with a small number of sites can use the Emergency Call Handler in CUCM 11.0+ as a very basic CER alternative. It will only get as granular as the Device Pool but that is often sufficient in areas where there are no E911 laws.
https://www.cisco.com/c/en/us/support/docs/unified-communications/unified-communications-manager-callmanager/200452-Usage-of-Native-Emergency-Call-Routing-F.html