Specifications

Avaya G700 Media Gateway
Issue 6 February 2007 161
Motherboard
The motherboard resides within the G700 Media Gateway. The motherboard controls the
following elements:
● The VoIP Engine, which supports up to 64 channels. If more than 64 channels are needed,
a VoIP media module is required. The VoIP Engine performs the following functions:
- IP/UDP/RTP processing
- Echo cancellation
- G.711 A-/µ-Law
- G.729 and G723.1 encode/decode
- T.38 and Avaya Proprietary FAX relay
- FAX pass-through
- Modem pass-through
- Modem relay
- Clear channel
- Teletypewriter device (TTY) tone relay
- Silence suppression
- Jitter buffer management
- Packet loss concealment
- Avaya Encryption Algorithm (AEA) and Advanced Encryption Standard (AES) encryption
of VoIP audio
- Packet reorder
● The gateway processor complex controls all the resources that are inside the gateway.
The gateway processor functions include the Media Module Manager, tone clock, and
H.248 signaling to the gateway controller.
● An Avaya P330 processor complex, which is based on the Avaya P330 data-switch
architecture. This complex provides an 8-port Layer-2 switch function and manages the
Expansion and Cascade modules.
● The electrical connectivity and the physical connectivity for the four media-module slots.
Note:
Note: The motherboard cannot be replaced in the field.
For more information about the VoIP Media Module, see MM760 VoIP Media Module
on
page 302.