ICMP / DNS Voip ATA Adapter

 ICMP / DNS Voip  ATA Adapter

Quick details

• Brand name: DBL
• Type: VoIP FXS Gateway
• Size:10.5*6.8*2.5cm
• Protocol: SIP & H.323, T.38
• Support: P2P calls, PPTP VPN. FAX
   

Description:

VoIP Analog Termianl Adapter(FXS Gateway) comes with one Ethernet port for network access to a VoIP Server and  two RJ-11 jack to interface with a traditional telephone or fax machine. Connecting a telephone line port (FXO) of a traditional PBX to a VoIP ATA enables the PBX to take full advantages of VoIP services. It bundles with lots of features to meet the demand in various network environment. It is an ideal solution for SME, SOHO, and individual who would like to lower or eliminate their local and long distance call charges.

Key Features

Standard SIP VoIP Protocols (ITU H.323 V4 and IETF SIP V2)

Codec: G.711 (A/µ law), G.729A/B, G.723.1

Point-to-point protocol over Ethernet (PPPoE);

Hypertext Transfer Protocol (HTTP);

Dynamic Host Configuration Protocol (DHCP);

Domain Name System (DNS);

DTMF: RFC 2833, In-band DTMF, SIP INFO

Dynamic selection of codec

Flexible jitter buffer

Automatic traversal of NAT and firewall

VLAN / QoS

Comfort noise generation (CNG)

Voice activity detection (VAD)

Auto provisioning (requires auto provisioning server)

Password protection for both GSM dial in or dial out

Basic Function

PLC: Packet loss concealment 

Voice gain adjustable

Echo Cancellation (with ITU-T G.168/165 standard)
ICMP / DNS Voip ATA Adapter