T.38 fax relay

FXS 17

FXO 5

GSM 1

VoLTE 2

WLAN 2

ISDN BRI (S0) 5

SIP 18

IAX2 6

Modular Design 8

VPN 2

OpenVPN 8

SMTP 6

POP3 6

T.38 fax relay 25

T.30 fax transparent 10

Fax Pass-through 5

Echo cancellation 19

open API interface (AMI) 6

3-way conference 3

19" Rackmount 12

RJ11 Port 10

RJ21 / Telco Port 5

RJ45 to 4 Port RJ11 1

RJ45 to 2 Port Splitter 4

TR069 1

SAS 1

Call Route 1

SNMP 1

Stand Alone Survivability (SAS) 1