MicroNet SP5001C Bedienungsanleitung PDF herunterladen (Seite 30)

Legacy PBX

8*FXO

…

4*FXS

PSTN/GSM

@London

Main Office

Branch Office

Internet

SP5008A

SP5058A

SP5018A

PSTN/GSM

@Paris

Branch Office

SIP Call Proxy

SP5211

IP PBX ROBO

Implementation: SP5008A, SP5058A, and SP5018A are

deployed on multiple sites to integrate with legacy

devices. As the number of VoIP device increases,

SP5211 provides SIP call proxy and makes

communications among the registered VoIP devices.

Extension Call to Branch: Extension calling

is free and has the same rules as before.

International Call: Phone call charge is

much less and has the same rules as before.

CASE 11: VoIP Integration for Main/Branch Office,

Minor Upgrade

8*FXS

4*FXO

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MicroNet SP5001C Bedienungsanleitung Seite 30