| http://www.w3.org/ns/prov#value | - This test set passes a 20-foot (6 m) drop test and has a waterproof case that exceeds American Military Specification MIL-STD-810E. The keypad has 12 standard dialing keys including star and pound, and function keys to store, recall, and redial numbers and to pause for accessing a second dial tone when dialing through a PBX (private branch exchange), among other functions.
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