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How to remove the ringback tone for SIP calls landing on Imagicle queues/Auto Attendants

Applies to:

  • Imagicle UCX Suite for Cisco UC, any version

Description:

The CUCM plays a ringback tone for incoming calls to Advanced Queuing. To remove this tone, a SIP Normalization Script can be implemented. The script processes any SIP messages coming from Advanced Queuing and discards any “180 ringing” signaling.

How-to:

  1. Log in into CUCM

  2. Create SIP Normalization script

    1. Go to Device -> device settings -> SIP normalization script

    2. Click AddNew

    3. Click Import File and upload the attached file

    4. Enter a name, such as “DiscardIncoming180Ringing”

    5. Click Save

  3. Go to  Device -> Trunk

  4. Find and edit SIP Trunk for Advanced Queuing

  5. Within “SIP Information” section, find “Normalization Script”

  6. Choose the script “DiscardIncoming180Ringing”

  7. Save and Reset trunk

Attachment: DropIncoming180Ringing.lua

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