The 5 Series IP Phones from Aastra offers premium functionality. 6-line capability and 7-line display. Use for an executive level phone for your hosted service or on your IP based PBX.
*Formerly known as Aastra 57i
The 5 Series from Aastra offers premium functionality. 6-line capability and 5-line display. Use for a mid-level phone for your hosted service or on your IP based PBX
*Formerly Aastra 55i
The 5 Series from Aastra offers premium functionality. 6-line capability and 3-line display. Use for a workhorse phone for your hosted service or on your IP based PBX
*Formerly Aastra 53i
6 line capability and 3-line display. Dual Ethernet Ports with PoE. Use for a basic IP phone for your hosted service or on your Asterisks or other IP based PBX
6 line capability and 3-line display. Single Ethernet Port. Use for a basic IP phone for your hosted service or on your Asterisks or other IP based PBX. Non PoE
*Formerly Aastra 30i
The 5 Series from Aastra offers premium functionality. 6-line capability and 7-line display with the optional IP Mobile phone. Use for an executive level phone for your hosted service or on your IP based PBX.
*Fromerly Aastra 57i CT