Joiwo VOIP Telephone for Coal Mining Tunnel JWAT907

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1. Subways, pipe corridors, tunnels, highways, power plants,
Environments that have special requirements for waterproofing, moisture, noise, dust, and frost protection
2. High noise places
1.Direct access to Ethernet, cross-network segment and cross-route
2.Digital key dialing, call any terminal, realize full-duplex intercom (default) or PTT half-duplex
3. Calling to the area permitted by the permission
4. Preset 9 terminals to realize one-click calling, or preset 9 partitions to realize one-key partition broadcasting.
5. Phone case is waterproof, dust proof, no need for waterproof cover, beautiful and practical.
6. Adopts the international universal double-sided integrated circuit, which has the advantages of accurate number, clear call and stable operation.
7. Carbon steel surface spray treatment, high mechanical strength, strong impact resistance.
8. Card area on the front of the fuselage: can place some instructions on the phone.
9. The key parts handsets, cradles and keypads are all produced by our company. The quality control is strictly, and the reaction speed is fast after sale.

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