![Unify OpenScape Cordless IP V2 Service Documentation Download Page 19](http://html1.mh-extra.com/html/unify/openscape-cordless-ip-v2/openscape-cordless-ip-v2_service-documentation_3782753019.webp)
c02.fm
Overview
Introduction
A31003-C1020-S100-03-7620, 12/2017
OpenScape Cordless IP V2, Service Documentation
19
Figure 4
The two lower DECT IP base stations are synchronized over LAN
because a solid fire door prevents DECT-based synchronization.
The quick passage of data through a fire door cannot always
guarantee reliable DECT synchronization.