1) Support mutual communication between centers and extensions, extensions and centers, and extensions and extensions;
2) The software and hardware of the product have good scalability, which facilitates future system expansion and upgrades to meet current business needs and meet the needs of business development in a certain period of time in the future;
3) The central dispatch console is connected to the core dispatch IP server through a network port;
4) Working temperature of the central host: -10~55 ℃, storage temperature: -30~60 ℃;
5) Support 60/120/240/500/1000 terminal access, 30/60/100/200 simultaneous calls, and 1 console access;
6) Support mainstream speech coding standards such as G.711, G.723, G.729, etc;