详细说明：

Product Description: Metal Wall-mounted telephone, streamlined design, elegant and generous; with a metallic keyboard, plastic shell handset, anti-devastating; picking up automatically set aside the default phone number, with auto-hang up feature.
1. ATML uses low-power microcontroller development of a variety of functions can be realized;
2. No need external power supply, connected to telephone lines that can work;
3. Simulated artificial dialing, voice prompts, you can simulate the need for manual dial-up connected to service center;
4. Dial-up numbers can be arbitrarily set or modify as needed;
5. Has all the features of regular phone;
6. High resistance to destructive, high reliability, waterproof moisture;
7. With automatic hook function;
8. Suited for unattended, or someone on duty all environments
Application examples
a. dial calls for the highway
b. used for rail or metro phone call interval
c. for bank ATMs, urban convenience stations phone repair phone call complaints
FEATURES
A customer-specific service hotline.
2. Auto-dial feature access. By lifting the handset, no buttons, 3 ~ 5 seconds, then you will be automatically appropriated for "customer service center."
3. Manual shortcuts. You can choose according to your needs in any of the following menu buttons