Call Master provides you with the best quality dialing experience, the most practical address book management, the most intimate telephone harassment. Call Master compares the advantages of other similar software: 1. The interface is extremely concise. 2. The functions are relatively small, but they are very practical, and there are no very useful functions that can affect the speed of Call Master. 3. Number retrieval speed is very fast. 4 Custom message interception rule,such as Strange number interception,Blacklist interception,Keyword interception,Number prefix interception,Cycle interception. Main features of Call Master: 1. Smart dialing T9 Search Contacts. Learning to record dial-up habits through machine learning,intelligently sort contacts according to dialing frequency, dial time, and so on. Quick search of contacts based on numbers or letters. First letter retrieval. Fuzzy retrieval. One key dialing on Notification Center. Smart IP dialing. 2. Message interception Custom message interception rule,such as Strange number interception,Blacklist interception,Keyword interception,Number prefix interception,Cycle interception 3. Contacts management Custom contact group Message group sends Quick search and edit contact Contact us: if you have problem about Call Master,you can contact us by send email to firstname.lastname@example.org or click the "Feedback and Suggestion" in Call Master application,we will solve the problem for you as soon as possible.