ZISA Technologies Corporation Limited
Main products:Fiber Mutiplexer,ADSL,GEPON,Interface Converter,PDH
Contact Us
  • Contact Person : Mr. Wan Can
  • Company Name : ZISA Technologies Corporation Limited
  • Tel : 0086-10-52885062
  • Fax : 0086-10-58235931
  • Address : Beijing,Beijing,E09,Building F,Kaixuancheng,No.170,Beiyuan Rd.,Chaoyang District,Beijing,China
  • Country/Region : China
  • Zip : 100101

4port voip adsl2 modem

4port voip adsl2 modem
Product Detailed
4port wireless adsl2+ modem with VoIP

ZISA A800-b Series(4port ADSL2+ Router)

Order info: 

1) A800-b(4port ADSL2+ VOIP Router

2)A800WL-b (4port ADSL2+ Wireless VOIP Router


ZISA A800-b serial is a powerful WLAN VoIP IAD (Integrated Access Device), providing predictable, real-time, toll-quality voice over the Internet. Developed with ADSL2/2+ broadband technology over PSTN, the A800-b serial offers residential and business user’s easy access to the Internet via WLAN or Ethernet, also providing VoIP via standard analog telephones.

The A800-b serial allows calls to be routed to anywhere in the world – significantly reducing or eliminating long distance charges. You can even make phone calls when your PC is turned off. The A800-b serial supports policy based QoS on layer 3, which provides high quality voice service. It also provides a cost-effective solution to combine with all your network and telephony needs in one, which reduces space requirements and the cost of hardware and cabling. The A800-b serial is also designed with color panel and LED indicators making it more user-friendly.


ADSL2/2+ VoIP and Router integrated

Integrated 802.11g AP, backward compatible with 802.11b

Supports life line: PSTN alive when power off

Supports emergency call

Supports QoS (Quality of Service) for voice

Supports caller ID display and restriction

Supports call hold

Supports call waiting

Supports call forwarding

Supports call transfer

Supports 3-way conference

Supports direct number dialing

Supports remote administration, automatic firmware upgrade and configuration

Supports VPN Pass-through

Supports Day-time parental control

Supports DialPlan

Supports T.38


WAN Interface

ADSL Standard

ITU-T G.992.5, ITU-T G.992.3, ITU-T G.992.1, ITU-T G.992.2, ANSI T1.413 Issue 2

G.992.3(ADSL2) Downstream: Up to 12 Mbps Upstream: 1.3 Mbps

G.992.5(ADSL2+) Downstream: Up to 24 Mbps Upstream: 1.3 Mbps

LAN Interface

Ethernet x 4

Analog Interface

FXS x2 , FXO x1

ATM Attributes

RFC 2364, RFC 2684 (RFC 1483) Bridge; RFC 2684 (RFC 1483) Route; RFC 2516; RFC 1577

VCs 8

AAL type AAL5

ATM service class UBR/CBR/VBR

ATM UNI support UNI 3.1/4.0

OAM F4/F5 Yes


SNTP, ILMI 4.0, Telnet, Web-based management, Configuration backup and restoration

Software upgrade via HTTP, TFTP client and server, or FTP server,SNMP

Routing Functions

Static route, RIP, and RIP v1, v2, NAT/PAT, DHCP Client/Server/Relay, DNS, ARP, UpnP, DDNS, DMZ

Security Functions

Authentication protocols                            PAP, CHAP

VPN                                                               PPTP/L2TP/IPsec pass-through

Stateful Packet Inspection, Packet filtering, Denial Of Service protection, Management

HTTP proxy


L3 policy-based QoS, IP QoS , ToS, DSCP

Voice Functions

SIP RFC 3261  MGCP(optional) RFC 3435  Codec G.711, G.723.1, G.726, G.729ab RTP RFC 1889  

SDP RFC 2327  Caller ID ETSI based  Life line/Emergency call Yes   Echo cancellation G.168

Silence suppression Yes



External power adapter                              Input: AC100-240V, Output: DC15V / 1.6A

Environmental Conditions

Operating temperature                              0 ~ 50 degrees Celsius

Relative humidity                                        5 ~ 95% (non-condensing)


205 mm (W) x 47 mm (H) x 145 mm (D)

Kit Weight (1*A800WL, 2* RJ-11 cable, 1* RJ-45 cable, 1* Power Adapter                                          

0.96 KG 

4port voip adsl2 modem

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