MicroNet SP5001C Manuel d'utilisateur télécharger pdf (Page 23)

CASE 4: IP PBX Gateway (with PSTN Backup) for Trading

Company, Travel Agency, or Small Business

…

SP5208

IP PBX Gateway

2*FXO

PSTN/GSM

Small Business Office

PSTN/GSM

Telephone

ISP/ITSP

Internet

Telephone

 Scale: Under 10 users

 Extension: SP5208 connects 6 telephones as extensions.

 SIP Trunk: SP5208 registers to ISP/ITSP for inbound/outbound SIP calls.

 PSTN Trunk (FXO): Company needs a representative PSTN number for

customers to call. If direct calling with PSTN number to VoIP network is not

supported by ISP/ITSP, FXO ports connect with PSTN lines and allow daily

phone calls from/to PSTN/GSM.

 PSTN Backup: In case of power/register failure, users can still make/receive

calls via PSTN lines.

@London

@Paris

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MicroNet SP5001C Manuel d'utilisateur Page 23