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The AudioCodes C435HD IP phone is a Microsoft Teams-native entry level/common area phone designed to support the next generation of enterprise collaboration technologies. Equipped with a 4.3” color LCD screen, the C435HD supports Microsoft Teams out-of-the-box to deliver feature-rich unified communications.

AudioCodes IP phones are offered as part of a comprehensive Managed IP Phone solution, defined as an IT-managed entity that delivers end-to-end lifecycle management of edge devices.

IP Phone Series Highlights

• Superior voice quality
• Full duplex speaker phone
• Robust security mechanisms
• PoE or external power supply
• Centralized management using the AudioCodes One Voice Operations Center (OVOC) Device Manager

Key Features

• Crystal-clear sound
• Native support for Microsoft Teams
• USB headset support
• Firmware upgrade via USB stick

Technical Specifications

• Telephony Features
  • Supplementary Features: Call waiting, call hold, call transfer, call forward, 3-way conference (local mix) and network conferencing, hotline, DND, mute, speed dial, dial plan, CWRR, call logs, auto answer via TALK event, call pickup, multiple Boss Admin, shared line appearance, call park
  • Signaling: Caller ID, MWI, DTMF relay – RFC2833, DTMF via SIP INFO, configurable call progress tones
• VoIP Applications
  • Unified communications, IP contact centers, open-source IP-PBX, hosted IP-PBX and IP centrex
• Enhanced VoIP Processing Capabilities
  • Packet loss concealment, high quality wideband, wideband acoustic echo canceler, low-delay adaptive jitter buffers
• Media Processing
  • Wideband Voice Coders: G.722, OPUS2 , SILK2
  • Narrowband Voice Coders: G.711μ/a, G.729A/B, OPUS2 , SILK2
  • Additional Media Features: Acoustic echo cancelation (AEC) – multiple path, wideband acoustic EC, packet loss concealment, silence suppression, voice activation detection, adaptive jitter buffer
• Protocol Support
  • VoIP and Signaling: SIP – RFC 3261, SDP – RFC 2327, SIP over TCP/UDP/TLS, DNS_SRV (redundancy), digest authentication, PRACK, early media, SIP subscribe notify, BLF1 (busy lamp field), presence, MWI (message waiting indication)
  • Data Protocols: IPv4, TCP, UDP, ICMP, ARP, RTP, SRTP, RTCP-XR, 802.1x, static IP/DHCP IP assignment, IEEE 802.1p/Q, QoS/ToS, HTTP/HTTPS/DHCP, NTP, FTP/TFTP, CDP/LLDP VLAN configuration, LDAP
  • Security: 802.1x, HTTPS, SIP over TLS and SRTP, configuration file encryption, PC port disable option
  • Provisioning & Management: Web server for configuration and management, configuration update via FTP, TFTP, HTTP, HTTPS, DHCP options (66,67,160,12,60,77), mass deployment provisioning with global redirection server, provision URL via SIP SUBSCRIBE and NOTIFY, RFC6035 SIP publish for QoE reporting
• General Specifications
  • Language Support: English (default), Spanish, Italian, Portuguese (with feature key), German, Russian, Ukrainian, French, Polish, Hebrew, Finnish, Korean, Simplified and Traditional Chinese, Turkish, Japanese (Kanji, Hiragana, and Katakana input modes), Hungarian, Slovak, Czech
  • Telephony Interface: RJ-9 headset jack X 1, USB port(s) for headset1 , DHSG1
  • Network Interface: 2 LAN RJ-45 10/100/1000 Base-T for PC and LAN connectivity
  • Power Requirements: +12V DC, 1A power adapter (450HD: +12V DC, 2A) AC 100V-240V and/or integrated Power over Ethernet – IEEE 802.3af (see price list for ordering options)
  • Storage/Operation Temperature: -20° to +70°C / 0° to +40°C (-4 to +158°F / 32 to +104°F)
  • Homologations & Approvals: FCC Part 15 Class B, ICES-003 Class B, EN55032 Class B, EN61000-3-2, EN61000-3-3, UL-60950-1, EN60950-1, IEC-60950-1 (CB), CE mark, cTUVus RCM, KC, Anatel, CCC, ICASA, EAC, IC, ACTA, VCCI, BSMI