Fire-fighting telephone networking system

The utility model discloses a fire-fighting telephone networking system which comprises a first switch, a first fire-fighting telephone system and a second fire-fighting telephone system. The first fire-fighting telephone system comprises a first fire-fighting telephone switchboard, a plurality of first fire-fighting telephone extensions connected with the first fire-fighting telephone switchboardthrough a telephone bus, and a plurality of first fire-fighting telephone jacks. The second fire-fighting telephone system comprises a second fire-fighting telephone switchboard, a plurality of second fire-fighting telephone extensions connected with the second fire-fighting telephone switchboard through a telephone bus and a plurality of second fire-fighting telephone jacks; and the first fire-fighting telephone switchboard and the second fire-fighting telephone switchboard are respectively connected with the first switch. By adopting the technical scheme of the utility model, the capacity of the fire-fighting telep