Ip Media Module - Mitel Aastra 470 System Manual

Expansion Stages and System Capacity
3. 3. 1. 2

IP media module

IP media modules can be used for systems with high call switching requirements in
the IP network. Depending on the module type a different number of VoIP and FoIP
channels is available, provided by the IP media modules as required (see
Note
The use of the IP media switch does not depend on the mode of opera-
tion of the standard media switch and the configuration of the DSP chips
that are used by the standard media switch.
Fig. 13 Design of the IP media modules
IP media modules can be fitted both on the processor card CPU1 (see
the 1PRI and 2PRI trunk cards (see
Tab. 23 IP media module
Number of modules
Type per CPU1 processor
EIP1-8
EIP1-32
The number of VoIP channels per IP media module depends on both the type of
module and the use of voice channels:
Tab. 24 Max. number of voice channels per IP media module
G.711 only,
Type
Secure G.711
EIP1-8
EIP1-32
54
Fig. 15). The modules are
Number of mod-
ules per 1PRI trunk
card card
1 1
G.711/G.729,
Secure G.711/G.729
32 8
64 28
not stackable.
Number of mod-
Max. number of
ules per 2PRI trunk
modules per system
card
2
FoIP (T.38)
8
28
Aastra 470 as of R3.2
syd-0337/1.6 – R3.2 – 09.2014
Tab. 24).
Fig. 9) and on
5