I found in Cisco documentation attached below, that for the series 880 the "Recommend WAN Access Speed (with services)" is 8Mbps, and for 860 series is 4Mbps.

Someone can tell me the throghput in PPS for the 880 and 860 series ? I need to trasport voice packet on the wan, with a dimension size very small...

The some information is useful for the new 888-E (g.sdhdl EFM) , considering the throughput of the wan (until to 22Mbit/s)

Thanks

Federica