MicroNet SP5001C Manuel d'utilisateur télécharger pdf (Page 28)

CASE 9: Integrating IP PBX with Legacy PBX for

SMB Office

SP5325/4S

IP PBX SMB

Legacy PBX

PSTN/GSM

4*FXS

SMB Office

…

SP5103 SP5004/S

ISP/ITSP

Internet

ISP/ITSP

Telephone

…

 Scale: 50 - 100 users (or more)

 Extension:

 Legacy PBX has control of extension calling as before.

 Expansion of the Scale and the Functionality (VoIP): SP5325 uses FXS

ports to connect legacy PBX for expansion, and has control of extension

calling among the legacy telephones and the registered VoIP devices

(SP5103, SP5004/S, etc).

 SIP Trunk: SP5325 registers to ISP/ITSP for inbound/outbound SIP calls.

@London

@Paris

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MicroNet SP5001C Manuel d'utilisateur Page 28