This desk phone makes work easy. Built for hot-desking or the home office, the Poly Edge E400 Series phones offer the perfect user experience. A large display and 12 line keys give you more ways to connect, plus quality audio, in a seriously sharp package. Open application platform Certified for Teams Voice Gateway Poly Zero Touch Provisioning Target application: Executives, managers, admins, knowledge workers, hybrid offices, home offices 12 line keys supporting up to 48 line key assignments for lines, contacts, and features with pagination Supports up to 2 Poly Edge E Expansion Module Flexible line appearance (one or more line keys can be assigned for each line extension) 5” Color IPS LCD display Bluetooth V 5.0 Wi-Fi network connectivity: 2.4-2.4835 GHz (802.11b, 802.11g, 802.11n HT-20) 5.15-5.825 GHz (802.11a, 802.11n, HT-20, 802.11n HT-40) Dedicated RJ9 Headset Port Compatible with commercially available TTY adapter equipment Compliant with ADA Section 508 Subpart B 1194.23 (all) Hearing aid compatibility to ITU-TP.370 and TIA 504A standards Hearing aid compatible (HAC) handset for magnetic coupling to hearing aids TIA-920 wideband audio, type 1 compliant (IEEE 1329 full duplex) 2 X USB Type-C headset support Electronic hook switch capable 2 RJ-45 (10/100/1000BASE-TX Mbps) NFC Wireless technology (Connected Tag) Adjustable desk stand (2 positions) Optional Wall Mount Kit available Poly HD Voice Poly Acoustic Clarity technology provides full duplex conversations, acoustic echo cancellation, and background noise suppression Poly Acoustic Fence technology eliminates background noise when using a handset or wired headset Poly NoiseBlockAI technology removes most background noise when using the speakerphone Audio Codecs: G.711 (A-law and μ-law), G.722, G.729AB, iLBC,OPUS, G.722.1 ENERGY STAR certified Built-in auto-sensing IEEE 802.3af Power over Ethernet (Class 3) Surround lighting bar status indictor (color) Unicode UTF-8 character support 802.1X Authentication and EAPOL Media encryption via SRTP HTTPS secure provisioning SRTP media encryption using AES 256 bits Manual or dynamic host configuration protocol (DHCP) network setup QoS Support — IEEE 802.1p/Q tagging (VLAN), Layer 3 TOS, and DHCP Supports Polycom Apps SDK and API for third- party business and personal application Supported network protocols: DHCP VLAN discovery, LLDP-MED for VLAN discovery, FTP/TFTP/HTTP/HTTPS server-based central provisioning Poly Device Management Service for Service Providers (PDMS-SP) Cloud Management 01/2026 Microban removed from device: products are still designed to be easily wipeable and cleaned Replaced VVX 450 IP Phone In the box: Phone, Handset, Handset Cord, Desk Stand, Network (LAN) cable-CAT-5E, Setup sheet 1 year manufacture warranty BTP Model: CP-E550MFR Part: 2200-87050-025, 82M91AA
