X303/X303P is the cost-effective color screen SIP phone with high performance specially for enterprise. It features a 2.4-inch 320×240 pixel color screen, supporting 4 SIP lines and 6-way audio conference to render a user-friendly experience. X303/X303P has rich functions such as HD audio, dual 10/100 Mbps network ports and integrated PoE (only X303P), providing an efficient and high-quality business communication experience for enterprises.