Sierra Wireless EV-DO - Manual (Page 71)

Data Communication and Host Modes
Rev 3.0B Feb.08 66
with UDP PAD mode (MD3), effectively this is the same as
MD5 and MD6 previously accomplished. Setting MD5 and
MD6 are still supported, but not recommended.
AT Command Hybrid Mod
(MD5)
Hybrid Mode2
(MD6)
MD 3 3
S82 2 2
S0 1 1
*UDPLAST 0 1