GoIP GSM VoIP Gateway 4 Ports SIP

GoIP GSM VoIP Gateway 4 Ports SIP
Brand: GoIP
Product Code: GoIP GSM VoIP Gateway 4 Ports SIP
Availability: In Stock
Price: 474.11€

Four Channels VoIP GSM Gateway (GoIP-4) Hot sale 

Is a 4 SIM Card Broadband Phone Gateway that had been developed by DBL Co. GoIP-4 SIM Card Broadband Phone Gateway is a new product that connect the GSM and the VoIP seamlessly. To GoIP-4 what is installed on the Mobile SIM Card, you can register the GSM telephone on the VoIP Softswitch. SIP and H. 323 agreement are built in the GoIP-4 and configured flexible. Caller ID can be seen by using SIP. Flexible routing can meet the need of all kinds of call forwarding; Even more special is that GoIP-4 support multi-device group, it can be easily combined into arbitrary number of channels of Large Gateway Group. 
 
Key Features Open Standard VoIP Protocols (ITU H. 323 V4 and IETF SIP V2) 
Single or Multiple Server Registrations 
Two 10/100 Ethernet circuits connect to the LAN and an additional device 
GSM module for making GSM calls 
Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer VLAN and QoS support 
NAT Transversal and Router functions 
Voice prompts, HTTP Web, Auto Provision support for configuration and updates 
Highly stable embedded Linux operating system in high performance ARM 9 Processor 
Basic Features 
LEDs for Power, Ready, Status, WAN, PC, GSM 
Call forward from GSM to VoIP and VoIP to GSM 
Dial in mode or dial out mode only 
Dial Plan 
Password protection for both GSM dial in or dial out 
Retransmit GSM Caller ID to VoIP terminal 
Enhanced Features 
Dynamic selection of codec 
Advanced jitter buffer 
Automatic traversal of NAT and firewall 
VLAN / Qos 
 
Router 
Echo cancellation for Speakerphone 
Comfort noise generation (CNG) 
Voice activity detection (VAD) 
Auto provisioning (requires auto provisioning server) 
On line firmware upgrade 
Multi-language support: English and Chinese 
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 
 
Physical and Environmental 
Operating temperature: 10° C to 40° C (50° F to 104° F) 
Storage temperature: 0° C to 50° C (32° F to 122° F) 
Weight: 500 g (1 lb) (Including AC/DC Adapter) 
Size: 160 mm (W) x 252 mm (L) x 30 mm (H) (Width x Length x Heigth 
Power: 12 Vdc 2A (AC/DC adapter included)