T.38 FAX VoIP SIP Gateway

T.38 FAX VoIP SIP Gateway

Quick details

• Brand name: DBL
• Model Number:HT-912T
• Type: VoIP FXS Gateway
• Protocol: SIP & H.323, T.38
• Support: P2P calls, PPTP VPN. FAX
   

Description:

VoIP SIP gateway support standard SIP protocal. It comes with one Ethernet port for network access to a VoIP Server and one 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)

One RJ-11 FXS port for traditional phone set or PBX's trunk line

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

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T.38 FAX VoIP SIP Gateway