Resources

Guides, articles & documentation for MCC products

Browse the MCC resource library — product documentation, blog articles on cloud communications topics, glossary terms, and developer guides.

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Recent blog articles

Cloud Telephony

The Future of Cloud Telephony

How cloud-based voice infrastructure is replacing legacy PBX systems for businesses of all sizes.

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Contact Center

Reducing Call Abandonment Rates

Practical approaches to reducing the number of callers who hang up before reaching an agent.

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SIP & VoIP

What is SIP Trunking?

A plain-language explanation of SIP trunking, how it works, and when it is the right approach for voice connectivity.

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Explore MCC products

Resources help you evaluate, set up, and get more from MCC. The products overview has full detail on every product below, grouped by which service line it belongs to.

Latest guides

  • Area codes and call routing — what an NPA controls in routing, and what breaks when a new code goes live.
  • Wholesale voice termination: how the market works — A-Z rate decks, direct versus transit routing, and the four metrics that describe a route.
  • VoIP routes explained — CLI, Non-CLI and CC route types, quality metrics, and how termination works step by step.
  • CLI vs NCLI routes — why caller ID delivery decides answer rate, and how to diagnose a route that stopped delivering it.
  • UCaaS vs VoIP — the difference between the technology and the platform built on it, and which one a business needs.
  • 213 area code — five splits, the 2017 recombination with 323, and the 738 overlay live since November 2024.

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Contact the MCC team directly for product information, technical support, or to discuss your requirements.