SKU: AZTEKPK9ZF |  Mfg. Part: ITT-7128IP  | 
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Cortelco ITT-7128IP Yealink HD Voice IP Phone with 6 Lines Support

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$158.19  $213.56
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Product Overview

The Yealink HD Voice IP Phone is designed to enhance communication for enterprises with optimal sound quality and multiple functionalities. Supporting up to 6 SIP accounts, this phone is equipped with a wide range of features to meet the needs of busy office environments, ensuring efficient call management and user-friendly operation.

Technical Specifications

  • Supports 6 SIP accounts with features like hotline and emergency call
  • Call management options: hold, waiting, transfer, and forwarding
  • Facilitates call park, pickup, intercom, and 3-way conference
  • DND, mute, speed dial, dial-now, and auto-answer capabilities
  • Voicemail support, MWI, with XML phonebook and call blacklist
  • Volume adjustment options including ringtone selection and tone schemes
  • Multi-language support with system log export and configuration modes
  • TI Titan chipset for enhanced performance
  • 320x160 pixels graphical LCD with 4-level grayscales
  • 48 keys including 16 programmable keys and 16 soft keys
  • Supports up to 6 expansion modules (6x38 keys with dual-color LED)
  • 2 RJ45 Ethernet ports and 1 RJ9 headset port
  • Optional PoE (IEEE 802.3af) support
  • High-definition handset and speaker for superior sound quality
  • Full-duplex hands-free speakerphone compliant with IEEE 1329
  • Supports HD wideband voice codec: G.722
  • Narrowband voice codecs: G.711, G.726, G.729AB, G.723.1
  • Advanced features: VAD, CNG, AEC, PLC, AJB, AGC
  • Supports SRTP voice encryption for secure communication
  • SIP 2.0 (RFC3261) protocol with NAT traversal: STUN mode
  • IP Assignment options: DHCP, Static IP, PPPoE
  • Auto-provisioning for firmware, configuration, ringtone, and phonebook
  • QoS options: IEEE 802.1p/q tagging (VLAN), Layer 3 ToS
  • In-band DTMF, out-of-band DTMF, and SIP INFO DTMF support
  • Proxy mode and peer-to-peer SIP link mode
  • Standard encryption and authentication (MD5 and MD5-sess)
  • Power supply not included

Product Details

  • Manufacturer:
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  • Condition:
  • Weight:
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  • Updated:
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  • Cortelco
  • ITT-7128IP
  • New
  • 3 lbs
  • 0 X 0 X 0
  • Feb 19, 2026
  • Mar 01, 2011
Product Identifiers: Brand: Cortelco • Part #: ITT-7128IP • Category: Business Phones

Cortelco ITT-7128IP Yealink HD Voice IP Phone with 6 Lines Support

Reviews for Cortelco ITT-7128IP

$158.19