The voicemail feature transfers callers to voicemail based on your settings. You can then retrieve voice messages via Voicemail. Voicemail audio is sent in Waveform Audio File Format, .wav, format. Optionally, notifications can be sent via email. These notifications will not include the voicemail files.

Viewing these settings requires a full, user, read-only or location administrator auth token with a scope of spark-admin:telephony_config_read.

Modifying these settings requires a full administrator or location administrator auth token with a scope of spark-admin:telephony_config_write.

An administrator can retrieve or change settings in a different organization using the optional orgId query parameter.