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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 will vary depending on your call volume.

Hardware Requirements


For production telephony systems, LumenVox recommends a minimum configuration of a modern server running a 64-bit operating system with 4 CPU cores and 8GB of RAM.


Different applications and use cases may have 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)
GrXML (Grammar XML, an SRGS format)
SISR (Semantic Interpretation for Speech Recognition)

C/C++ API (Application Programming Interface)
MRCPv1, MRCPv2 (Media Resource Control Protocol)
LAMP (Linux, Apache, MySQL, PHP) Web management tools

Learn More

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

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