MGI2 (MEDIA GATEWAY INTERFACE)

The MGI2 card supports 16 VOIP channels. These channels are H.323 and SIP compliant and are used in conjunction with either the G.711 (64K) or G.729A (8K) voice compression protocols. The MGI2 card may be installed in any universal card slot up to a maximum of 5 cards per cabinet. The MGI2 only supports in-band signaling.

The MGI2 cards provide the following services on a per-channel basis:

H.323 IP Trunking (VoIP connections to other H.323 gateways)

SIP IP Trunking

ITP Phones

IP Networking (Networking multiple OfficeServ 500 and OfficeServ 100 systems over IP networks)

Note: There is a maximum of 5 MGI cards per cabinet (15 per system). All 5 can be MGI2 or a combination of MGI2 and MGI3 cards, as long as there is no more than 2 MGI3 cards per cabinet