MicroNet SP5001C Manual de usuario Pagina 31

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Legacy PBX
4*FXS
PSTN/GSM
@London
Main Office
Branch Office
Internet
CASE 12: VoIP Integration for Main/Branch Office,
Major Upgrade
PSTN/GSM
@Paris
SIP Call Proxy
SP5325
IP PBX SMB
ISP/ITSP
SP5325
IP PBX SMB
Branch Office
Extension Call: Existing extensions and
added SIP devices can make calls to each
others via legacy PBX and SP5325.
Extension calling is free and has the same
rules as before.
International Call: SP5325 has SIP trunk to
ISP/ITSP that provides cost-saving route
worldwide for outbound calling. In addition,
connected SP5325 or FXO gateway at the
branch can provide access to remote
PSTN/GSM.
Expansion for Legacy Implementation: SP5325 connects with
legacy PBX via FXS ports and SIP-enabled devices for
expansion of the scale and the functionality (VoIP).
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