Промышленный телефон с автоматическим набором KNZD-35

протокол VoIPGSMPoE

The speakerphone is an outdoor telephone, specially designed for outdoor emergency telephone communications. This telephone is made of stainless steel, the phone's casing, its smooth and shiny appearance, resists corrosion, and prevents violence. The telephone features an automatic dialing system; simply pick up the handset and it will automatically dial to the control room. Key Features: Compatible with most PABX, PBX, and PAX systems. 1. Metal body with SUS keypad, durable and temperature-resistant. 2. Free-standing handset, speakerphone, and keypad with memory for speed dialing. 3. Automatically resumes lightning protection according to the ITU-T K21 standard. 4. The waterproof rating is IP65 (upgradeable to IP67). 5. The metal casing is equipped with a grounding device and is completely insulated from the internal circuit and electrical circuit, thus providing an electromagnetic shield. 6. Call the hotline, and it can automatically ring if the other end is closed. 7. Fully adopts SMTC craftsmanship, maintaining excellent quality. 8. The design is super slim and smart. Embedded and hanging styles are available. 9. Each call is limited (set to five minutes), and the ringer is disabled if the time limit is exceeded. (Optional) 10. The phone has passed ISO9000 (2000) certification.