The well known Aastra/Ericsson DECT phones of the types:
DT390/DT690 or the older versions: DT368, DT570, DT590, DT31x, DT32x, DT41x, DT42x can be used in connection with MD110/MX-ONE integrated DECT using the ELU-31 board and basestations like BS330/340.
These DECT handsets can handle the CAP/SARI protocols needed for ELU-31 systems.
AND:
For the Aastra SIP DECT OMM (Aastra MX-ONE SIP DECT external application):
Here you can use the GAP DECT hndsets: Aastra 610d, 612d, 620d, 622d and 63x/65x.
///doktor