Convergys Intelligent Voice Portal is ranked 6th in IVR Systems while Nuance IVR is ranked 1st in IVR Systems. Convergys Intelligent Voice Portal is rated 0.0, while Nuance IVR is rated 8.0. On the other hand, the top reviewer of Nuance IVR writes "The most complete and effective voice recognition offering". Convergys Intelligent Voice Portal is most compared with Voxeo Prophecy, whereas Nuance IVR is most compared with NICE CXone, Genesys Voice Platform, Cisco CCX, Cisco CVP and Voxeo Prophecy.
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