Hi Gine -
No, it's not unique!
Have previously deployed a product from Enghouse called 'Voxtron' ... it uses a similar concept called 'Dynamic Agent Allocation' by placing Agents into 'pools' which you can invoke based on a time threshold ... so very similar.
Cheers,
Mal.
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Thanks and regards,
Malcolm Green
Senior Contact Centre Engineer
Nexon Asia Pacific
malcolm.green@nexon.com.au------------------------------