Inmate Vandal Resistant Telephone , Emergency Call Public Telephones

We can provide elevator parts Telephone Emergency Phone SOS device security telephone with speed dial buttons optional for the ship cockpit.
As in the highway of highway roadside emergency telephones, waterproof telephone for the coal mine explosion-proof telephone used in coal mines, oil Wells, used in tourism scenic tourists such as telephones are belongs to the category of the public emergency telephone. The main function of the Public analogue telephone is that, when the accident occurs, the telephone which can be used and must be able to be used for emergency call for help has completely different requirements for its work according to different use environment.

Main features : 1. The phone can form an independent telephone communication system with program-controlled switches and couplers. 2. The phone can be connected directly to the telecommunications network.
3. After the composition of the call system, each phone is an independent station. The malfunction of any phone doesn't affect the whole system work.
4. After the composition of the call system, the product has an automatic gain function, and the voice does not vary with distance or telephone quantity.
5.Telephone circuits within the integrated circuit using internationally accepted double-sided, with hair the exact number, call clarity, job stability, etc.
6. Stainless steel housing, high mechanical strength, strong impact.
7. Key parts of the handset and the hooks are both produced by our own company; Quality control strictly; After-sale reaction fast.
8.Volume can be adjusted.
9. There's an area to place an instruction card in front of the telephone.