3 ms·
audio coming right off the TDM phone network will be 8-bit samples, 8 kHz sampling rate, companded. Doing anything else requires direct IP peering (e.g. with a
by jcrawfordor 3y ago
audio coming right off the TDM phone network will be 8-bit samples, 8 kHz sampling rate, companded. Doing anything else requires direct IP peering (e.g. with a cellular carrier) which is out of reach of your typical inexpensive VoIP trunking provider.