Profile: Inter-Tel Integrated Systems, Inc. deals with communication equipment. Our product line includes head sets, data equipment, Mitel Gigabit Ethernet Stand, Mitel 3300 Controllers, analog telephones & accessories, and cordless and wireless equipment. Our Mitel 5312 IP phone is a dual-port, dual-mode, enterprise-class IP phone with full-duplex speakerphone, a 40-character backlit display, and user-programmable access to features and applications. Our Mitel 5324 IP Phone is a dual-mode, dual-port enterprise-class IP phone with a multi-line display that provides users fast and easy access to the features and applications enabled by Mitel's IP communications platforms. The 5324 IP Phone is designed for power users, such as teleworkers, remote workers, and ACD agents or supervisors, who require an expanded range of programmable features.