| Parameter | Requirement |
|---|---|
| Bandwidth | With ADPCM and no RTP Header Compression: 52 Kbps per call With G.729a and no RTP Header Compression: 26 Kbps per call With G.711 and no RTP Header Compression: 82 Kbps per call (Recommended) |
| Latency and jitter for toll Quality |
< 100 msecs total roundtrip from customer location to RingCentral datacenters in San Jose and/or Virginia |
| Latency and jitter for acceptable Quality |
< 150 msecs total roundtrip from customer location to RingCentral datacenters in San Jose and/or Virginia |
| Packet loss | < 1% for voice calls, and no packet loss for fax and modem calls |
