VoIP modules in G450 Branch Gateway

Last Updated : Mar 09, 2022 |

A media processor or VoIP module provides channels to support voice calls.

G450 Branch Gateway has four VoIP slots. The following table describes supported VoIP modules:

VoIP modules

Description

MP20

Supports a maximum of 20 channels.

  • Provides 25 VoIP channels for G.711 and G.726.

  • Provides 20 VoIP channels for G.729.

MP80

Supports a maximum of 80 channels.

MP160

Supports new media services, such as V.150.1, Opus codec, and T.38 fax over SRTP.

An MP160 module supports a maximum of 160 channels and 80 channels with the Opus codec.

Configuration matrix

G450 Branch Gateway supports the MP20 and MP80 modules in any configuration for 4 slots and a maximum of 320 channels.

Note:

G450 Branch Gateway v4 does not support the MP20 and MP80 DSP modules. G450 Branch Gateway v4 supports only the MP160 DSP module.

The following table shows allowed combinations of optional VoIP modules for G450 Branch Gateway.

Combination of cards

MP80 card

MP20 card

MP160 card

Combination # 1

–

–

1 or 2

Combination # 2

–

2

1

Combination # 3

2

–

1

Combination # 4

1

1

1

G450 Branch Gateway v4 supports only Combination # 1.

Once the installation for MP160 is completed, you can install the MP80/20s module in any of the remaining slots.