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For more information on how to customize the 480i telephone for your enterprise solutions, please go to our PARTNERSHIP section.

Products & Services - Telephones - VoIP



480i CT IP Phone and Cordless Handset

We're pleased to announce the newest addition to our Enterprise IP telephone portfolio. Consisting of an advanced, fully featured IP screen Telephone base station and separate cordless handset, the Model 480i CT provides high performance VoIP cordless mobility within an office or warehouse.








  • Cordless Mobility — Each 480i CT base supports up to 4 cordless handsets

  • Large Base Unit Display — Eight-line backlit screen with six context sensitive softkeys provides more information and flexibility in call handling

  • Enhanced Call Management — Large storage for personal directory, callers log, and redial list

  • Tight Integration — Support for multiple iPBX systems and hosted IP solutions.

  • Multiple Line/Call Appearance Lights — Supports up to 9 simultaneous calls. Juggle multiple calls easily with a single press of a button

  • Shared Call Appearances — Shared calls allow you to place a call on hold at one set and pick it up easily at another set

  • Remarkable Audio — Quality speakerphone with excellent voice clarity and delivery

  • Protect Your Investments — Firmware upgrades can be downloaded and installed in the field as standards develop and protocols evolve

  • Less Wiring — Built in dual 10/100 switched Ethernet ports let you share a connection with your computer. Inline power support eliminates power adapters


480i CT Base


2 position desk stand
24.9 cm W x 14.7 cm D x 11.5cm H (9.8''W x 5.8''D x 4.5''H)
850 g (30.0 oz.)


Compatible with IEEE 802.3af inline power device
Optional Power Over Ethernet (POE) injector available, but not provided, for networks that do not supply power

Handset / Headset

Modular RJ9 headset connector, compatible with amplified business headsets
Hearing aid compatible handset
Quality speakerphone


3.5'' x 2.25'', 8 line, backlit display

Feature Keys

4 call appearance lines
4 navigational keys
6 customizable softkeys; programmable up to 18 functions.
8 predefined hard keys for most common call handling functions including Call Transfer, Conference, Intercom, Hold, Redial, Mute

480i CT Cordless Handset


13.7 cm L x 4.6 cm W x 1.9cm H (5.4''L x 1.8''W x 0.8''H)
133 g (4.7 oz.)


AC wall adapter for charging stand
Nickel Metal Hydride battery – 4 day standby time, 4 hour talktime

Handset / Headset

One handset included; expandable up to 4 handsets
2.4 GHz Frequency Hopped Spread Spectrum (FHSS)
Warehouse coverage up to 300,0001 sq. feet
Vibration alerter
Headset compatible


Large 5 lines backlit display

Feature Keys

2 softkeys for tight integration to the 480i CT base features
4 predefined hard keys – Mute, Redial, Function, Menu.
Programmable function key supports up to 14 functions


Dual 10/100 Mbps switched Ethernet ports
Manual or Dynamic Host Configuration Protocol (DHCP) IP address setup
Time and date synchronization using SNTP
Built-in HTTP server for web administration and maintenance
Server provisioned user configuration files

Protocols / Codecs

G.711 µ-law / A-law

Feature Highlights2

4 call appearance lines plus up to 5 additional lines using softkeys
Personal directory
Call forward
Call transfer
Call waiting
Caller and calling line information
Callers log
Redial list
Live dial pad or pre-dial support
Broadsoft’s BroadWorks enhanced SIP – supports Intercom, Shared Call Appearances, CommPilot Call Manager
Nortel’s MCS support – Conferencing, Voicemail, and NAT Traversal support

1 Depending on physical enviroment
2 Features availability dependent on IP telephony system



The 480i CT works with a wide variety of enterprise and hosted VoIP solutions including:













With each partner we are embracing standards like SIP but also extending those standards to provide features you expect from proprietary business class phones.

Please visit our PARTNERSHIP section to investigate the possibilities!