Inter-cluster BLF over SIP Trunk

CUCM

Hello All,

Recently we have configured Intra-Cluster BLF and now lets configure Inter-Cluster BLF so that we can monitor a device in remote cluster.

To configure this, we need to follow the below.

(Assuming that Partition, CSS, Route Pattern, Device Pool, Region, Location and other necessary parameters are configured.)

 

  • Ensure that you follow the previous post http://uccisco.wordpress.com/2014/06/20/busy-lamp-field-speed-dial/
  • Go to System > Security > Non Secure SIP Trunk Profile > Ensure that Outgoing Transport Type is selected as UDP and Accept presence subscription box is checked > Click on Save, Apply Config and Reset
  • Go to Device > Trunk > Add a SIP Trunk

Name all necessary parameters like Device Name, Description and assign appropriate Device Pool, MRGL, Location,  Incoming & Outgoing CSS, SUBSCRIBE CSS

Enter the IP Address of the Destination Call Manager and let the port be 5060

Click on Save, Apply and Reset

  • Go to System > Presence Group > Standard Presence group > Under Subscription permission select Allow Subscription and save
  • Go to System> Service Parameters > Select Server and Service as Cisco Call Manager > Default Inter-Presence Group Subscription  > Allow Subscription > Click on Save
  • Final Step > Reset Trunks

 

Results : –

On Hook on Site A Phone and BLF light turned on on Site B Phone

BLF-Intercluster-SiteA-SiteB2

On Hook on Site B Phone and BLF light turned on on Site A Phone

BLF-Intercluster-SiteA-SiteB1

 

 

Inter-cluster BLF over SIP Trunk was last modified: January 22nd, 2016 by Administrator
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5 thoughts on “Inter-cluster BLF over SIP Trunk

    1. Thank you for your attention. Do you think it is possible to do the same using CUCM 9.x? Thank you.

      *Theófanes OliveiraBrasília – Brasil*

      2015-01-29 22:54 GMT-02:00 Cisco Unified Communications :

      > avinashkarnani11 commented: “The above testing were performed on CUCM > 8.X”

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