The Adtran IP-321 has been discontinued. No direct replacement is available. Please contact us for a suitable substitute.
The Adtran IP-321 is a two-line SIP phone delivering superb sound quality as well as a wide range of supported business telephony features. The Adtran IP-321 phone has a single 10/100 Ethernet port and is designed for common areas, such as lobbies, hallways, and break rooms, as well as various wall-mounted deployments.