Aastra Telecom 480I CT IP Phone User Manual


 
IP Phone Models
1-2 41-001129-00 Rev 09, Release 1.4.1
IP Phone Administrator Guide
Overview
IP Phone Models
Description
The IP Phone Models 480i, 480i CT, 9112i, and 9133i communicate over an IP
network allowing you to receive and place calls in the same manner as a regular
business telephone.
All phone models support the Session Initiation Protocol (SIP). The 480i
additionally supports the Media Gateway Control Protocol (MGCP). The 480i CT
offers the base phone along with a cordless extension.
References
For more information about the features and installation requirements, see the
SIP IP Phone Installation Guide for your specific model..
The following illustration shows the types of IP Phone Models.
480i CT
(20 Softkeys, 9 Lines,
480i
(20 Softkeys, 9 Lines)
(includes handset)
9112i
(2 Programmable Keys, 1 Line)
15 Features Keys on Handset)
9133i
(7 Programmable Keys, 9 Lines)