sk gateway

sk gateway

GSM voip gateway GOIP 16 ports . It  is a new product for seamless connection between the GSM network and  VoIP  network. When the mobile phone SIM card is installed in the GoIP, users register the GSM phone to the VoIP softswitch system. Through the GoIP, users realize the uplink and downlink calls between the GSM  network and the VoIP network. the flexible routing function meet special requirements of various call forwarding. In particular, the GoIP gateway supports multi device groups, with flexible setting of large GSM gateway groups with different channel numbers.

 Key Features

1.Multiple GoIP 16 grouping mode
2.Provide 16 cellular channels for IP-PBX
3.Open Standard VoIP Protocols (ITU H.323 V4 and IETF SIP V2)
4.Single or Multiple Server Registrations
5.Two 10/100 Ethernet circuits connect to the LAN and an additional device
6.GSM module for making GSM calls
7.Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer                                            

8.VLAN and QoS support
9.NAT Transversal and Router functions
10.Voice prompts, HTTP Web, Auto Provision support for configuration and updates 11Highly stable embedded Linux operating system in high performance ARM 9 Processor-

Enhanced Features

-Dynamic selection of codec
-Advanced jitter buffer
-Automatic traversal of NAT and firewall
-VLAN / Qos
-Router
-Echo cancellation for Speakerphone
-Comfort noise (CNG)
-Voice activity detection (VAD)
-Auto provisioning (requires auto provisioning server)
-On line firmware upgrade
-Multi-language support: English and Chinese
 

Hardware Specifications

-Processor: ARM9E 133MHz
-DSP: VPDSP101 196MHz
-Memory: RAM 16MB/ 4MB
-GSM Module: Type: 850MHz, 900MHz, 1800MHz, 1900MHz
-Power: Input AC100V ~ 240V, output DC12V/2A +-10%
-Power consumption: 32W maximum
-Network card: 100/10Base-T x2
-LED: Operation and lines light
-GSM Passway:sixteen
-Operating temperature: 10°C to 40°C (32°F to 104°F)
-Storage temperature: 0°C to 50°C (32°F to 122°F)
-Working Humidity: 40% ~ 90% Not congealed
-Weight: 1203 g (1 lb) (Including AC/DC Adapter)
-Warranty: one year
 

Supported Standards

-ITU: H.323 V4, H.225, H.235, H.245, H.450
-RFC 1889 - RTP/RTCP
-RFC 2327 SDP
-RFC 2833 RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals -RFC 2976 SIP INFO Method
-RFC 3261 SIP
-RFC 3264 Offer/Answer model with SDP
-RFC 3515 SIP REFER Method
-RFC 3842 A Message Summary and Message Waiting Indicator
-RFC 3489 Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)
-RFC 3891 SIP Replaces Header
-RFC 3892 SIP Referred-By Mechanism
-draft-ietf-sipping-cc-transfer-04 Session Initiation Protocol Call Control - Transfer
-Codec: G.711 (A/µ law), G.729A/B, G.723.1
-DTMF: RFC 2833, In-band DTMF, SIP INFO

sk gateway

sk gateway

sk gateway

sk gateway

sk gateway

sk gateway