Calling-Us ® MAX Professional is the perfect solution for self-employed persons and small-sized businesses who want to relay telephone calls. Exchanging will be either with or without Menu Selection. Additional functions are Callback, Voice Forwarding, Voice, SMS, personalized serial fax or Fax Notify as well as extensive time controls. Virtual answering machine and virtual fax machines for every client. Please visit www.calling-us.com for detail More…