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General

Greetings from Spearline. Our knowledge base portal was created to assist you in making the most of Spearline products and services, as well as to assist you in learning about our features.

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Inbound vs Outbound Testing

For instance, your call center in the USA might have toll-free local numbers in Canada, Mexico, and Brazil. Calls to these toll-free lines will end at the American contact center. Consider inbound call testing if you need to ensure that those calls successfully reach your call center and are of a high enough quality to allow your agents to be understood and kept busy.

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Inbound vs Outbound Conference Testing

Conference calling can be problematic for several reasons. This is because participants must dial a specific phone number, and they may encounter issues such as…

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IVR Traversal

Some people may refer to them as auto attendants or as an interactive voice response (IVR) or even a voice response unit (VRU), but in any case, they will perform the same task. Which is to assist you in connecting with the right person or meeting room.

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MOS vs PESQ/POLQA

Introduction MOS, PESQ, and POLQA are all methods used to measure and define audio quality in telecoms. MOS focuses on the metrics associated with internal …

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The Evolution of MOS

MOS was considered the Gold standard, commonly used to measure the overall voice call quality for decades. It was standardized by the International Telecommunications Union …

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