Which capacity increase should be considered when planning for future growth for an Avaya IP Office customer using digital telephones?

When planning for future growth for an Avaya IP Office customer using digital telephones, one crucial aspect to consider is the number of trunks. This is because trunks represent the external lines that connect the telephone system to the public switched telephone network (PSTN). A capacity increase in the number of trunks is essential to ensure that as the business grows and requires more simultaneous calls, the telephony system can handle that demand without blocking incoming or outgoing calls. Without sufficient trunk capacity, a business may encounter issues such as busy signals or dropped calls during peak usage, which can negatively impact customer service and operational efficiency.

Understanding the relationship between the number of trunks and overall system performance emphasizes the importance of planning for this element in anticipation of growth, especially when adopting or expanding the use of digital telephones that require a connection to the trunk system for external communications.