How is the default operating mode of A-Law or μ-Law configured on an IP Office 500V2?

The default operating mode of A-Law or μ-Law on an IP Office 500V2 is configured on the System SD cards. This configuration is essential because the SD card contains the necessary software and settings that dictate how the system operates at a foundational level. The SD card holds the system's configuration files, including codecs like A-Law and μ-Law that determine how audio signals are processed. The selection of the operating mode affects voice quality and compatibility with various network standards, particularly in international contexts where different codecs may be preferred.

Other methods such as system startup or BootP file do not apply for this specific configuration. While the system manager can configure many aspects of the IP Office, the default codec setting is specifically stored and initiated through the SD card. Thus, the SD card is the correct configuration point for this setting.