|  An N870 Small sized system is described below. | 
 | Minimum Size | Maximum Size | 
|---|
 | DECT Integrator & DECT Manager & DECT Base | 1 | 1 |  | Additional DECT Base | 0 | 9 (1 - 9) |  | DECT Handsets | * | 50 |  | Max. Parallel calls | 5 | 10 | 
 
 
 | Connection capacity | 
|---|
 | Enabled codecs | INT + DM + Base | Base only | 
|---|
 | G.711 only | 5 | 10 |  | G.729 & G.711 | 5 | 8 |  | G.722 & G.729 & G.711 | 5 | 5 | 
 
 * = Number of handsets is based on the required traffic volume (Erlang E), we recommend to use maximum 20 DECT handsets per DECT base. |