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Call Progress Analysis (CPA)

Technical Summary

LumenVox Call Progress Analysis Technical Summary

The hardware resources required by the LumenVox Call Progress Analysis feature are similar to that of our Speech Recognizer. This is simply because it is our Recognizer running in a special mode, which does require a special license. Please speak to your LumenVox Sales Representative for more information.

Hardware Requirements


The main variables in determining hardware are the total number of simultaneous channels of recognition. For production telephony systems, LumenVox recommends a modern server running a 64-bit operating system with 4-8 CPU cores and 6 GB of RAM.

However, different applications and use cases may have significantly lower or higher requirements. Please contact us for help sizing your specific hardware needs.

Supported Operating Systems



2008, 2012*, 2016* Server (32 & 64-bit)
Windows 7, 10 (32 & 64-bit)
*Windows Server 2012 and 2016 requires a 64-bit processor, however is capable of running both 32 & 64-bit applications.


Red Hat & CentOS 6 (64-bit only)

Red Hat & CentOS 7 (32 & 64-bit)

Standards Supported


VXML (Voice XML)
CCXML (Call Control XML)

C/C++ API (Application Programming Interface)
MRCPv1, MRCPv2 (Media Resource Control Protocol)

Learn More

We are confident that you will find even more features and resulting benefits from using our Call Progress Analysis. If you have any questions on these, or other desired capabilities, please contact LumenVox Sales.

We’d be happy to help, just contact us via the form below.

Experience Call Progress Analysis. Schedule a Demo Today.

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