Matrix VoIP-FXS Adaptors

SETU ATA1S and ATA2S are analog telephony adaptors with FXS ports to connect analog telephone instruments, multiple SIP Accounts to register with VoIP carriers (ITSPs) and Ethernet ports to connect IP network. 


Make and Receive Calls over Internet
Access Telephony Features like Call Hold, Call Toggle, Conference and many more
Binds with Stand-alone Application and with any existing PBX
Provides Web based Interface for ease of Management


Key Features

Open-Standard SIP Support

Allowed and Denied List
Auto Provisioning for Mass Deployments
Emergency Number Dialing
Message Wait Indication for voice message retrieval
Call Progress Tones and Rings
PIN authentication Service
100 Speed Dial Entries
Supplementary Call Management Features
Web based Configuration and Management




Make VoIP Calls over Internet Network

  • Cost-effective telephony over internet for teleworkers and SOHOs
  • Integration with existing IT network for VoIP Calling
  • Send/Receive FAX over Internet
  • Allows Point-to-Point Calls over Internet



SETU ATA1S VoIP Adaptor with 1 FXS Port
SETU ATA2S VoIP Adaptor with 2 FXS Ports




Protocol SIPv2, SDP, RTP (RFC 2833)
Network Protocol IPv4, TCP, UDP, PPPoE, DHCP Server & Client, SNTP, NAT, STUN, HTTP, PPP, Dynamic DNS, Port Forwarding and DMZ
Connector Ethernet (RJ45)
SIP Accounts 3
Voice Codecs G.711 (A/µ Law), G.723 and G.729AB
Fax over IP (FoIP) T.38 and Pass-Through
Security SRTP/TLS over SIP
Connector RJ11
Dialing and Reception DTMF and FSK CLI Presentation
Answering and Disconnect Signaling Polarity Reversal for call connect/disconnect signaling


Power Supply

External Power Adaptor 12VDC, 1.25A
Power Consumption 5W (Typical)



Dimensions (WxHxD) 7.9 x 10.5 x 2.7cms (3.1”x 4.1”x 1.1”)
Weight 0.45 Kgs (1.10 lbs)
Mounting Options Wall Mount and Table Top
Operating Temperature -10°C to +50°C (-14°F to +122°F)


Regulatory Compliances

IEC 60950-1, RoHS, FCC Part15