The Teledex E103IP-4GSK is a part of the E Series USB with  1.9GHz, 4 Key, 1 Line VoIP Cordless.

Features:

• Available frequencies: 1.8 GHz and 1.9 GHz
• Single or two-line speakerphones
• 1 side USB power port for device charging
• Handset kit has 2 USB power ports for device charging
• 4 or 7 configurable guest service keys
• Patented OneTouch voice mail retrieval
• Supports up to four handsets, including one on the base and three remotes
• Dual Neon/LED message-waiting light
• HAC/VCH (ADA) compliant handset volume boost
• Electronic 3-way conference (2-line only)
• Dual Port (10/100) for HSIA
• RediDock available
• HAC/VCH (ADA) compliant handset volume boost
• Full-length customizable paper faceplate
• Case: 10
• Available in Black