Whether you record them throught the phone system, or upload a .wav file, the following restrictions always apply:
- The maximum audio length is 2 minutes for a Voice Messaging Greeting and Custom Ringback User/Group.
- The maximum audio length is 10 seconds for user's Voice Portal Personalized Name.
- The maximum audio length is 10 minutes for the MusicOnHold greeting.
- For all other services, the maximum audio length is 5 minutes.