Our phone system supports the following file formats for upload:
8svx, aif, aifc, aiff, aiffc, al, amb, au, avr, caf, cdda, cdr, cvs, cvsd, cvu, dat, dvms, f32, f4, f64, f8, fap, flac, fssd, gsm, gsrt, hcom, htk, ima, ircam, la, lpc, lpc10, lu, mat, mat4, mat5, maud, mp2, mp3, nist, ogg, paf, prc, pvf, raw, s1, s16, s2, s24, s3, s32, s4, s8, sb, sd2, sds, sf, sl, sln, smp, snd, sndfile, sndr, sndt, sou, sox, sph, sw, txw, u1, u16, u2, u24, u3, u32, u4, u8, ub, ul, uw, vms, voc, vorbis, vox, w64, wav, wavpcm, wvz, wve, xa, xi
When uploading audio such as hold music, voicemail greetings and call menu prompts, please consider uploading these from your device in one of the formats listed above.
If you need any further help today, please don't hesitate to contact our friendly support team on 020 8050 5141 or by email!