How can you ensure telephony quality of service in a large-scale deployment?

1 Assess your network capacity

Before you deploy any telephony system, you need to know the current and projected network capacity and demand. You need to consider factors such as bandwidth, latency, jitter, packet loss, and congestion. These factors can affect the quality and clarity of voice calls, as well as the availability and scalability of the system. You can use tools such as network analyzers, simulators, and testers to measure and monitor these factors and identify any potential bottlenecks or issues.

2 Choose the right codecs and protocols

Codecs are algorithms that encode and decode voice signals into digital data. Protocols are rules that define how data is transmitted and received over a network. Choosing the right codecs and protocols can make a big difference in telephony QoS. You need to balance the trade-off between quality, bandwidth, and complexity. For example, some codecs offer higher quality but require more bandwidth, while others offer lower quality but save bandwidth. Some protocols offer more features but add more overhead, while others offer less features but reduce overhead. You need to select the codecs and protocols that suit your network conditions and business needs.

4 Monitor and troubleshoot your system

Once you have deployed your telephony system, you need to keep an eye on its performance and health. You need to collect and analyze data on key metrics, such as call volume, call duration, call success rate, call quality, and call satisfaction. You need to use tools such as dashboards, reports, alerts, and logs to visualize and understand the data and identify any trends or anomalies. You also need to have a process and a team to respond to any issues or complaints and resolve them quickly and effectively.

5 Optimize and update your system

Finally, you need to continuously optimize and update your telephony system to improve QoS and adapt to changing needs and expectations. You need to review and adjust your network capacity, codecs, protocols, QoS policies, and mechanisms based on the feedback and data you receive. You also need to keep up with the latest technologies and standards that can enhance your telephony system. For example, you can leverage cloud-based solutions, artificial intelligence, or blockchain to improve security, scalability, or efficiency.

6 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?