The ATL Berkshire 5000 VoIP Telephone complements ATL's range of voice products. The Berkshire 5000 is ATL Telecom's business class Voice over IP telephone based on the SIP IP protocol that is widely used in todays emerging IP convergence business environment. The Berkshire 5000 telephone has the latest integrated voice and data technology offering high performance and high quality. It is a solution that is cost effective while maintaining the Berkshire pedigree. The Berkshire 5000 VoIP telephone is the ideal business partner in both the SME and SOHO business environments. It offers low cost, high quality calls in a reliable VoIP telephone suitable for intra-office, national and global communications.