Call setup delays were measured at between 55 milliseconds (ms) and 65 ms, from SETUP to CONNECT at the originator, in a test network with one-way latency of 24 ms. These short-call setup times should have little effect on existing data applications, and will not introduce noticeable delays for voice or video calls. We selected Motorola's Vanguard 6560 for this test, which supports voice over frame relay and SVCs. We achieved natural ringing/dial tone response and audio quality in both PVC and SVC configurations. The 6560 also successfully interoperated with our Bay Networks ASN router in IP data applications.