3.13. OpenScape Cordless E Integration 
The OpenScape 4000 SoftGate supports DECT Cordless Multicell Integration
(CMI) functionality. This means that besides HFA and SIP subscribers,
DECT cordless subscribers can also be configured in a OpenScape 4000
SoftGate.
OpenScape Cordless Enterprise V7 - 3.9.3 Clock chain Synchronization.
These informations are available in WBM (OpenScape 4000 V8, vHG 3575
for OpenScape 4000 SoftGate document - section 4.8.1.2 Peripheral Boards,
4.8.1.4 OpenScape Access Clocking).