use provisioning;
DELETE FROM voip_preferences WHERE attribute IN (
'ptime',
'transcode_PCMU',
'transcode_PCMA',
'transcode_G722',
'transcode_G723',
'transcode_G729',
'transcode_GSM',
'transcode_AMR',
'transcode_AMR_WB',
'transcode_opus_mono',
'transcode_opus_stereo',
'transcode_speex_8',
'transcode_speex_16',
'transcode_speex_32',
'opus_mono_bitrate',
'opus_stereo_bitrate');