- Viking handsfree speakerphone- Vandal Resistant Features: 14 gauge louvered stainless steel faceplate with stainless steel speaker/mic screen heavy duty metal keypad and Call button- Enhanced Weather Protection (EWP)- Yellow in use LED- Volume adjustments for microphone and speaker- Advanced call progress detection: disconnects on busy signal return to dial tone CPC reorder tone maximum call time out and selectable silence time out- Selectable auto-answer feature- Selectable push button disconnect-