Ip Terminal Interface - Aastra Ascotel IntelliGate A150 System Manual

Interfaces and Terminals as of I7.8
2. 2. 1. 3

IP terminal interface

The IP terminal interfaces are implemented via an Ethernet interface on the main-
board. Besides IP system terminals Ascotel® IntelliGate® also supports Aastra SIP
terminals and SIP terminals by other manufacturers.
Fig. 15 IP terminal interface
Like all the other system terminals the IP system terminals (softphones and hard-
phones) communicate with the PBX via the AD2 protocol. Unlike conventional sys-
tem terminals, however, call and signalling data is transmitted in the IP network.
The devices are connected to the IP network.
The media data from SIP terminals is processed into packets using the SIP protocol
and transmitted using the RTP protocol. Corded SIP terminals as well as WiFi mobile
terminals connected with the IP network via an access point can be operated on an
Ascotel® IntelliGate®.
The number of terminals on the IP user-network interface (Ethernet) is determined
by the system limits on the one hand and by the number of licences on the other.
32 System Interfaces