Cheap!!!! Hot 4FXO ata for Asterisk

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US $83-88 / Piece | 1 Piece/Pieces (Min. Order)
Supply Ability:
1000 Piece/Pieces per Month
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Quick Details
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
RealTone Technologies,Inc
Model Number:
VoIP Gateway
Product name:
VoIP Gateway
Other name:
Voice Gateway
Popular name:
Made in China
Voice Codec:
G.711 G.729 iLBC, GSM
T38 T30
12 Months
Packaging & Delivery
Packaging Details
Carton Package, size: (H*W*D):24*17*6cm, 0.7KG;
Delivery Time

VoIP ATA Gateway with 2/4ports,  Support SIP/MGCP/IMS protocols for IP PBX and ITSP, it s nice VoIP SIP ATA for the VoIP service providers and IP PBX applications


Support VPN(Open VPN, L2TP)

Support VLAN


Management based on the WEB GUI

SNMP/TR069 for Management server

Auto Provisioning



IP table for security

Digits map

WEB port and SIP port can be changed by WEB menu


1WAN and 1 LAN ports

VLAN supported



Main Applications

Remote SIP access gateway for IP-PBX like Asterisk/3CX hosted IP PBX system;

IP based wide area PBX for enterprise, government branches and schools

VoIP Long Distance application for IP phone supermarkets and enterprises

Carrier primary and secondary line service

Small and home offices

4,8 FXO ports PSTN gateway can be working for calling card or call termination with PSTN lines or GSM/CDMA fixed wireless terminal


Key Features 

MGCP or SIP access gateways 

SIP-PSTN analog gateway 

Routing (based on called number or other criteria) 

Radius based CDR for accounting 

STUN client for NAT transversal 

Flexible interface for analog phones, fax, traditional PBX with analog trunks 

Fax tone detection and codec bypass (T.30) and fax relay (T.38) function 

G.711, G.723.1, G.729A, iLBC, and GSM codec 

G.168 echo cancellation 

DTMF transportation: transparent mode, RFC 2833 mode, SIP/INFO mode 


Call Features

Caller ID

Message waiting indication 

Call waiting 

Call forwarding 

Caller ID on call waiting 

Call transfer (on busy, no answer, all) 

Special purpose calling codes 

Speed dial 



Supported Protocols

Session Initiated Protocol (SIP) 

Media Gateway Control Protocol (MGCP) 

Real Time Transport Protocol(RTP) 

TFTP for remote software upgrade 

HTTP for system and interface configuration and monitoring 

SNMP v.1, v.2, v.3 

Telnet for remote support 

DHCP for dynamic IP address allocation 


STUN Client for NAT/firewall traverse


Other Specifications 

Power: 12V/1A DC power supply (included with AC adaptors) Power Dissipation: 15 Watts(max) 

Talk Battery: -24 V 

Ringing Voltage: 50V RMS