Fortinet 4.0 MR1 Benutzerhandbuch

FortiGate Voice units integrate FortiGate UTM functionality with VoIP phone PBX 
functionality. Some FortiGate Voice models also support connections to the public 
switched telephone network (PSTN). A small office or an enterprise branch office can use 
a FortiGate Voice unit to provide routing, Ethernet switching, Internet connectivity, UTM 
security, VoIP gateway, and VoIP PBX features for the office. 
FortiGate Voice PBX functionality includes:
• Four Foreign eXchange Office (FXO) interfaces for connected to up to 4 standard 

public switch telephone network (PSTN) phone lines (some FortiGate Voice models)

• Flexible number dial plans
• Standard VoIP PBX feature set
• Integrated dial-back up modem and optional 3G wireless cards
• Voicemail
• Message notification
• Unified messaging
• Music on hold
• Automatic Call Distribution (ACD)
• Basic conferencing
• Statistics and logging

FortiFones or

other

SIP Phones

SIP

LAN

WAN

FXO (x4)

(some models)

ISP

IMS

NGN

VPN

etc

Class 5

PSTN
(LEC)

SIP Trunking

LAN

LAN

SIP

SIP

PCs with

SIP Soft Phone

POTS/ISDN

Telephone

Adapters (ATA)

a/b - wire

BRI

a/b - wire

FortiGate Voice

unit

Service Provider

Network