This article describes the Max File Sizes and Lengths for the following:Auto-Attendant (AA) GreetingMusic on Hold (MOH)Queue Introductory Message Queue Message to AgentVoicemail (VM) GreetingMax File SizeThe max file size for upload for any of the above audio files in the PBX portal is 64MB.Note: Uploading a ~64 MB file will negatively affect the system and is not advisable. Please contact the SkySwitch Control Tower for assistance.Max Length/Duration There is no limit to the length or duration of the audio file but be wary of pre-existing answering rule timers that will cause issues. In some cases, prompts will play and interrupt the audio, and some will forcefully disconnect the call. Note: Please always test your MoH setup.Auto-Attendant (AA) GreetingA Pre-talk timer of 1800 seconds applies to this scenario, and any AA greeting that cumulatively reaches this limit will cause the call to drop after 1800 seconds. Please also note, there is a 180-second timer applied to AA Greetings when created using the on-call recording method. This limit does not apply if the file is uploaded directly.Music on Hold (MoH)Only the natural timeout of 60000 seconds applies to this scenario which is applied to all ongoing calls. The length of the timeout makes it unrealistic to be affected by the MoH which in general is controlled by a user. Queue Introductory Message (MoH)There is a Pre-Talk timer of 1800 seconds which will cut off the Queue Introductory Message when reached at which time the call will ring into the queue. There’s an option whether you would want to play the Introductory Message in full first before the call will ring into the queue.Queue MessageThere is no set length limit but we recommend using a 3-6 second only greeting. Note however that if the Queue reaches the max timeout limit, the caller will be directed to the next destination.Voicemail (VM) GreetingWhile there is not an inherent limit for Voicemail Greetings, there is a 180-second timer applied to Voicemail Greetings when created using the on-call recording method. This limit does not apply if the file is uploaded directly.