Key Features:

• Aastra 51i A1751-0131-10-01 Single Line SIP Phone English Text Keypad
• Offers features and flexibility in an open-standards based carrier grade basic level IP telephone
• With a sleek and elegant design and LCD display the 51i is fully interoperable with leading IP Telephony platforms, offering advanced XML capability to access custom applications and support for high-quality SIP communications
• Part of the 5i Series of IP telephones, the 51i is ideally suited for light use small and medium business applications such as lobbies, common areas or individual user environments where single line high-quality SIP communication is required