System overview

An N870 Small sized system is described below. 

Minimum SizeMaximum Size

DECT Integrator &

DECT Manager &


Additional DECT Base09 (1 - 9)
DECT Handsets*50

Max. Simultaneous calls for the whole system


(There is no additional DECT base connected) 


Simultaneous calls per device in a system with one or more additional DECT bases.

(Max. Simultaneous calls (20) for the whole system like described above)

Enabled codecsDevice role

INT + DM + Base

Base only
G.711 only510
G.729 & G.71158
G.722 & G.729 & G.71155

* = Number of handsets is based on the required traffic volume (Erlang E).

Recommendation maximum number of handsets.

On the DECT side there are also limitations based on number of DECT channels, signalling,...

We recommend to use maximum 20 DECT handsets per DECT base, more is surely possible but 20 is a realistic number.

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