Jail phone

الوصف

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 doesnt 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.

Technical Parameter              

Usage Method              

1. The caller takes off-hook, dial the callee's telephone number → the callee's telephone rings.

2. The callee hears ringing → pick up the handset to answer the call, both sides under normal conversation.

3. Press "VOLUME" to adjust the volume during the call.

4. At the end of the call, hang back the handset.