Sell VoIP FXO Gateway with 4 ports

Description

Brand :Etross or OEM Brand Module:HT***2 Descripition: The HT***2 is designed as a compact, high performance, and low cost FXO Gateway. The FXO detection is optimized to avoid the hold up of the PSTN line when the other party is disconnected. This has been one of the key issue in the design of FXO gateway. The incoming PSTN Caller ID is also transmitted to the VoIP user for more user friendly operation. The HT***2 is a full featured FXO gateway and is designed for easy installation and configuration. It is an ideal solution for VoIP to PSTN termination in both SME and SOHO environment. Key Features ***** Standard VoIP Protocols (ITU H.**3 V4 and IETF SIP V2) 2.Single or Multiple Server Registrations ***** *0/**0 Ethernet circuits connect to the LAN and an additional device ***** FXO ports for PSTN terminations 5.Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer 6.Line Echo Cancellation 7.VLAN and QoS support ***** Transversal and Router functions 9.Voice prompts, HTTP Web, Auto Provision support for configuration and updates Highly stable embedded Linux operating system in high performance ARM 9 Processor Supported Standards *****: H.**3 V4, H.**5, H.**5, H.**5, H.**0 ***** ***9 - RTP/RTCP ***** ***7 â?? SDP ***** ***3 â?? RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals ***** ***6 â?? SIP INFO Method ***** ***1 â?? SIP ***** ***4 â?? Offer/Answer model with SDP ***** ***5 â?? SIP REFER Method ***** ***2 â?? A Message Summary and Message Waiting Indicator ***** ***9 â?? Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs) ***** ***1 â?? SIP â??Replacesâ?? Header 1***** ***2 â?? SIP Referred-By Mechanism *3.draft-ietf-sipping-cc-transfer**4 â?? Session Initiation Protocol Call Control - Transfer *****: G.**1 (A/µ law), G.**9A/B, G.**3.1