• Wireless N VoIP Router
  • Wireless N VoIP Router
  • Wireless N VoIP Router

Wireless N VoIP Router

Model : AVG-3512-A

Protocol: SIP (RFC3261)


Combo WAN : Ethernet copper and fiber (SFP)

LAN : 4-port RJ-45 10/100/1000 Ethernet

Wi-Fi: IEEE 802.11b/g/n with 2T2R

Telephony Interface: RJ-11 connectors


Voice Features

• G.722, G.711 a/μ-law, G.729A/B, G.726,

G.723.1 GSM 6.10 Full Rate, iLBC 13.3 kbps

• DTMF Detection and Generation

• Silence Suppression & Detection

• Comfort Noise Generation (CNG)

• Voice Activity Detection (VAD)

• Echo Cancellation (G.165/G.168)

• Adaptive (Dynamic) Jitter Buffer

• Call progress tone generation (FXS)

• Auto or Programmable Gain Control

• Inbuilt Local Mixer

• ITU-T V.152 Voice-band Data over IP Networks

SIP Method Support



SIP Call Features

• Peer to Peer Call

• Call Hold / Retrieve

• Call Waiting

• Call Pick Up

• Call Park / Retrieve (SIP Server Required)

• Call Forward - unconditional, busy, no answer

• Call Transfer - attended, unattended

• Do Not Disturb

• Speed Dialing

• Repeat Dialing

• Three-way Calling


• Hot Line and Warm Line

IPTV Application

• IGMP Snooping

• Virtual LAN (VLAN)

• Quality of Service (QoS)

Telephony Specifications

• In-Band DTMF, Out-of-Band DTMF Relay(RFC2833 or SIP INFO)

• DTMF / PULSE Dial Support

• Caller ID Generation / Detection:


FSK-Bellcore Type 1 & 2

FSK-ETSI Type 1 & 2


FSK: Calling Name, Number, Date and Time, vMWI

• FXS metering pulse:

Polarity Reversal

12kHz calling tone

16kHz calling tone

• Polarity Reversal

• T.30 FAX Bypass to G.711, T.38 Real Time FAX Relay

• FXS Line test and diagnostics with visual alarm indication

※Inward self test:

Loopback – codec

Loopback – analogue

SLIC DC power voltage

Tip / Ring DC feed


※Outward Test (GR909 Standard):


Phone Line disconnected

H.F. DC Voltage (Hazardous and foreign DC Voltage)

H.F. AC Voltage (Hazardous and foreign AC Voltage)

Tip / Ring Short

• ROH Tone (Receiver Off-Hook Tone @ 480 Hz)

• Loop Current Suppression

SIP Account Management

• By port registration

• By device registration (share account)

• Mixed mode (Hunt number for inbound, by port number for outbound)

• Invite with Challenge

• Register by SIP Server IP Address or Domain Name

• Support RFC3986 SIP URI format

SIP Call Management

• Support Outbound Proxy

• SIP Registration Failover Mechanism

• Group Hunting

• Privacy Mechanism / Private Extensions to SIP

• Session Timers (Update / Re-invite)

• DNS SRV Support

• Call Types: Voice / Modem / FAX

• User Programmable Dial Plan Support

• Automatic Calling Number Manipulation

• CDR Client

• Manual Peer Table (for P2P calls)

• E.164 Numbering, ENUM support


• Compliant with IEEE 802.11b/g/n standards

• 2.4 GHz - 2.484 GHz frequency range

• Up to 300 Mbps wireless operation rate

• AP and client mode

• Auto rate adaptive

• Multi-SSID

• Broadcast SSID control

• 64 / 128 bits WEP supported for encryption

• Wireless Security with WPA-PSK / WPA2-PSK

• WDS repeater function

• Universal repeater mode

• Wi-Fi Multi-Media (WMM) for AP mode

• WPS (Wi-Fi Protected Setup) for easy setup

Physical interface

• Combo WAN : Gigabit Ethernet copper and fiber (SFP)

• LAN : 4-port RJ-45 10/100/1000 Ethernet

• Antenna : 2T2R, 2 x 2dbi external antenna

• Telephone:2-port FXS, 1port Lifeline

• Factory default reset button, WPS push button, Power jack, Power switch

• USB 2.0 Host interface

LED Indicators

• Power, Provision/Alarm, Register, WAN, WLAN, LAN1~LAN4, USB, Phone off-hook 1~2 /

Phone Ch Alarm 1~2, Line, WPS


IP Network Specifications

• WAN: Static IP, PPPoE, DHCP

• Network Protocol Support:


HTTPS, DNS, DNS SRV, Telnet, DHCP Server, STUN Client, UPnP, IGMP, DHCP Client,

IGMP snooping, IGMP proxy, RTSP ALG, SIP ALG

• NAT Functions

Support up to 255 Clients

Port Forwarding (Virtual Servers)


Port Triggering

• Support IPv4, IPv6 future upgradeable

• QoS Support:

WAN: DiffServ, IP Precedence

Priority Queue

Rate Control

802.1Q (VLAN Tagging), 802.1p (Priority Tag)

LAN: Rate Limit

• DDNS Support

Dyndns.org (Dynamic and Custom)

Network Security Specifications

• PPTP Client

• DIGEST Authentication

• MD5 Encryption

• DoS Protection

Router Management

• Web Based Configuration

• Auto-provisioning (HTTP / HTTPS)

• Telnet


• FTP / TFTP / HTTP Software Upgrade

• Configuration Backup and Restore

• Reset to Default Button

• TR-069/104

• SNMP V3/ V2c/ V1


SIP, Voice and FAX Related Standard

• RFC1889 RTP: A Transport Protocol for Real-Time Applications.

• RFC2543 SIP: Session Initiation Protocol

• RFC2833 RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals

• RFC2880 Internet Fax T.30 Feature Mapping

• RFC2976 The SIP INFO Method

• RFC3261 SIP: Session Initiation Protocol

• RFC3262 Reliability of Provisional Responses in Session Initiation Protocol (SIP)

• RFC3263 Session Initiation Protocol (SIP): Locating SIP Servers

• RFC3264 An Offer/Answer Model with Session Description Protocol (SDP)

• RFC3265 Session Initiation Protocol (SIP) - Specific Event Notification

• RFC3311 The Session Initiation Protocol (SIP) UPDATE Method

• RFC3323 A Privacy Mechanism for the Session Initiation Protocol (SIP)

• RFC3325 Private Extensions to the Session Initiation Protocol (SIP) for

Asserted Identity within Trusted Networks

• RFC3362 Real-time Facsimile (T.38) - image/t38 MIME Sub-type Registration

• RFC3515 The Session Initiation Protocol (SIP) Refer Method

• RFC3665 Session Initiation Protocol (SIP) Basic Call Flow Examples

• RFC3824 Using E.164 numbers with the Session Initiation Protocol (SIP)

• RFC3841 Caller Preferences for the Session Initiation Protocol (SIP)

• RFC3842 A Message Summary and Message Waiting Indication Event Package for

the Session Initiation Protocol (SIP)

• RFC3891 The Session Initiation Protocol (SIP) "Replaces" Header

• RFC3892 The Session Initiation Protocol (SIP) Referred-By Mechanism

• RFC3960 Early Media and Ringing Tone Generation in the Session Initiation Protocol (SIP)

• RFC3986 Uniform Resource Identifier (URI): Generic Syntax

• RFC4028 Session Timers in the Session Initiation Protocol (SIP)

• Draft-ietf-sipping-service-examples-08 for call features

Network Related Standard

• RFC318 Telnet Protocols

• RFC791 Internet Protocol

• RFC792 Internet Control Message Protocol

• RFC793 Transmission Control Protocol

• RFC768 User Datagram Protocol

• RFC826 Ethernet Address Resolution Protocol

• RFC959 File Transfer Protocol

• RFC1034 Domain Names - concepts and facilities

• RFC1035 Domain Names - implementation and specification

• RFC1058 Routing Information Protocol

• RFC1157 Simple Network Management Protocol (SNMP)

• RFC1305 Network Time Protocol (NTP)

• RFC1321 The MD5 Message-Digest Algorithm

• RFC1349 Type of Service in the Internet Protocol Suite

• RFC1350 The TFTP Protocol (Revision 2)

• RFC1661 The Point-to-Point Protocol (PPP)

• RFC1738 Uniform Resource Locators (URL)

• RFC2854 The 'text/html' Media Type

• RFC2131 Dynamic Host Configuration Protocol

• RFC2136 Dynamic Updates in the Domain Name System (DNS UPDATE)

• RFC2327 SDP: Session Description Protocol

• RFC2474 Definition of the Differentiated Services Field (DS Field)

• RFC2516 A Method for Transmitting PPP Over Ethernet

• RFC2616 Hypertext Transfer Protocol - HTTP/1.1

• RFC2617 HTTP Authentication: Basic and Digest Access Authentication

• RFC2637 Point-to-Point Tunneling Protocol

• RFC2766 Network Address Translation - Protocol Translation (NAT-PT)

• RFC2782 A DNS RR for Specifying the location of Services (DNS SRV)


• RFC2916 E.164 Number and DNS

• RFC3022 Traditional IP Network Address Translator

• RFC3489 STUN - Simple Traversal of User Datagram Protocol (UDP) Through

Network Address Translators (NATs)