4 sim channel GOIP VOIP GSM gateway GOIP-4 support asterisk & bulk sms send

Description

Notice:
1) Kindly tell me your
telephone number
to speed up shipment arrangement.
2) Buyer is reponsible for clearance and import duty at destination port.
3) We can put lower value at commercial invoice if you request declaring lower value.
4) The item is 100% new !
5
）
Warranty 1 year
Overview
--Product name: GSM voip gateway
--Model: GOIP-4 GSM voip gateway
--SIM channels: 4 ports
--Work frequency: 2G GSM mobile network 850/900/1800/1900mhz
--Support ITU H.323 V4 and IETF SIP V2
--Support IMEI change
--Support bulk SMS send
--Support Sim Bank
--support multi-device group
--Warranty: one year
GOIP-4 is a 4 SIM Card Quad band GSM Gateway. It is a new product that connect the GSM and the VOIP seamlessly. To GOIP400 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 GOIP400 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 GOIP400 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)
Return/Exchange Policy
--We do our best to serve our each customer.
--If buyer confirm the item can`t work well due to the non-artificial factors,buyer can return it to me .We will replace it with a new one after we receive the returned items.it is also OK if the buyer expect a refund .On receiving items, we will refund you immediately.
--A full refund will be given if items are returned in their original condition.
--Buyers are responsible for return shipping fee with proper packaging.
--Items damaged or missing components is not refundable.
--Please contact me first before returning by ebay message(email).
Contact
--We always try our best to make sure that the buyers have a happy purchasing experience .
--We understand every buyer concerns and frustrations,and will do our endeavor to resolve the issues you might have.Please contact me first before open an ebay/paypal dispute or leaving negative feedback or 1,2 rates. So please give me the opportunity to resolve any problems.
--Dear buyers, we appreciate your support to my store, if you are satisfied with our service, please let me know.Your recognition and support will make us more confident to develop business and serve you better. Thank you very much !