This article provides details for the IP480 phone used in the Sky phone system. To compare this phone to the IP480g and IP485g phones, use the following link: Specifications - IP Phones for Sky
To learn how to setup and operate any of the 400 series IP phones, please see our 400-Series IP Phones article, which provides videos, phone functionality instructions, and links to downloadable user guides and quick reference documents.

Benefits of purchasing a IP480 Phone include the following:
- Lower total cost of ownership
- Ability to maintain on-site inventory
Benefits of renting a IP480 Phone include the following:
- Conserve operational capital through lower costs for equipment, inventory, and support
- Leverage Sky's extensive equipment experience and knowledge
- Freedom to obtain different equipment in the future without loss of investment
Summary of features for the IP480 Phone:
- 8 lines
- Full-duplex speakerphone
- Expanded call history
- Built-in 10/100 Ethernet switch
The IP480 Phone is an eight-line phone with an easy-to-read, back-lit display. An expanded directory provides alphanumeric lookup and sort by first or last names, and the history key provides advanced filtering and redial functionality. Six feature keys and five soft keys provide easy access to Sky features. A full-duplex speakerphone and integrated headset jack are standard. The integrated 10/100 Ethernet switch allows the connection to your local area network to be shared with a desktop PC. These features make the IP480 an ideal phone for busy professionals.
The following are included with the IP480 Phone:
- Configuration of the device according to best practices and customer's business needs
- Detailed installation instructions
Order a Phone
To place an order, contact your Sky Account Manager or contact Support.
Specifications
Call Appearance - 8 Tri-color LEDs
Feature Keys - Provides keys to control the following features:
- Transfer
- Conference - 6 party
- Hold
- History/Redial - unlimited (stored on server) /filter by all, to, from, missed
- Voicemail
- Directory - unlimited (system); Sort by first or last names; alphanumeric lookup
Display - 297 x 160 pixels, backlit
Speakerphone - Full duplex
Headset Compatibility - RJ-22
Audio Controls
- Volume - independent control for handset, speakerphone, headset, alert/rings
- Mute - LED indicator
- Speakerphone - LED indicator
- Headset - LED indicator
Soft Keys - Provides 5 soft-keys
Ring Tones - Provides 4 different ring tones
Speed Dials - Provides an unlimited number of speed dials
Time and Date - SNTP sync
IP Telephony
- Protocol - SIP
- Quality of Service - VLAN, DiffServ/ToS
- Supported Codecs - G.711 (uLaw/aLaw), G.722, G.723, G.726, G.729a, iLBC, Linear16bit
- Power - 802.3af PoE (standard), or local adapter (optional)
- Ethernet Speed - 10/100 Switch
- IP Addressing - DHCP, static
Technical
- Size - 9.6 x 5.3 x 4.8 in (24.4 x 13.5 x 12.2 cm)
- Weight - 1.62 lb (0.74 kg)
- Power - Class 2 PoE (3.0 W idle / 4.4 W active / 4.9 W max)
- Interfaces - RJ-45 Ethernet uplink, RJ-45 Ethernet downlink, RJ-22 handset jack, RJ-22 headset jack
- Loop Length - 100 meters
Environmental
- Humidity - 5% to 90% relative (non-condensing)
- Operating temperature - 0-50° C
User Content
User Guide = IP480/IP480g Phone User Guide
Quick Reference = IP480/IP480g Phone Quick Reference
Phone Installation = IP480/IP480g/IP485g Phone Quick Install
Wall Mount Installation = IP480/IP480g/IP485g Phone Wall Mount Installation
If you ever need to obtain the MAC address for your phone, see the Using 400-Series Phones section of the MAC Address article.