The standard format we provide is .wav 16-bit 44.1kHz, however, should wav not be compatible with your telephone hardware, we can supply it in an alternative format e.g. mp3, CCiTT A-law, U-law.
The standard format we provide is .wav 16-bit 44.1kHz, however, should wav not be compatible with your telephone hardware, we can supply it in an alternative format e.g. mp3, CCiTT A-law, U-law.