SK 32-512 ports VOIP gsm gateway

Specifications
1.Hotline
2.VLAN, VPN, Qos
3.GSM 850/900/1800/1900MHZ / CDMA 800 / CDMA 2000 / WCDMA / LTE
4.SMS,SMSC,USSD
5.Support inter calling each others sim cards ,to avoid sim cards blocking
6.Support Change Base Tower Automatic,to avoid sim cards blocking
7: Support IMEI Number Change Automatic in time

The SK GW series GSM/CDMA/WCDMA/LTE VoIP Gateway is a multi-functional product used to effectively implement the smooth transition between PLMN (GSM/CDMA/WCDMA/LTE) and VoIP network. The GSM/CDMA/WCDMA/LTE VoIP gateway is designed for comfort, ease-of-use to satisfied necessary of customers. It is not only inherits tradition of quality voice communication over IP network but reduce the human resource of VoIP network deployment. It’s a cost-effective gateway for call termination (VoIP to GSM/CDMA/WCDMA/LTE) and origination (GSM/CDMA/WCDMA/LTE to VoIP). It is fully compatible with leading Softswitch and SIP servers.

SK GW series have standard configuration bellow:
SK8-8 with 8 GSM/CDMA/WCDMA/LTE channel
SK8-32 with 8 GSM/CDMA/WCDMA/LTE channel ,every channel can insert 4 sim cards,and support change sim cards automatic
SK16-16 with 16 GSM/CDMA/WCDMA/LTE channel,
SK16-64 with 16 GSM/CDMA/WCDMA/LTE channel, every channel can insert 4 sim cards,and support change sim cards automatic
SK16-128 with 16 GSM/CDMA/WCDMA/LTE channel, every channel can insert 8 sim cards,and support change sim cards automatic
SK32-32 with 32 GSM/CDMA/WCDMA/LTE channel
SK32-128 with 32 GSM/CDMA/WCDMA/LTE channel, every channel can insert 4 sim cards,and support change sim cards automatic
SK32-256 with 32 GSM/CDMA/WCDMA/LTE channel, every channel can insert 8 sim cards,and support change sim cards automatic
SK32-128 with 32 GSM/CDMA/WCDMA/LTE channel, every channel can insert 16 sim cards,and support change sim cards automatic


SK32-512 with mobile sip ports/Wireless service waiter remote call bell system/Automatic bell ringing systemSK32-512 with mobile sip ports/Wireless service waiter remote call bell system/Automatic bell ringing systemSK32-512 with mobile sip ports/Wireless service waiter remote call bell system/Automatic bell ringing system
Point to Point Protocol over Ethernet (PPPoE) Client Support
Built-in PPPoE client for establishing a DSL link connection with the ISP. There is no need to install a
further PPPoE driver on computers.
Smart QoS
It provides smart QoS feature to provide stable voice quality while users access internet from private LAN to
internet at the same time.
VoIP to GSM/CDMA/WCDMA/LTE call termination
It allows up to 32 concurrent calls, terminate calls from VoIP to GSM/CDMA network.
Origination: GSM/CDMA/WCDMA/LTE to VoIP
Maximum 32 concurrent calls for each unit, calls from GSM/CDMA network over VoIP.
Fully compatibility
Flexible choice, worldwide GSM/CDMA/WCDMA/LTE network usable.
SMS supported
SMS sending and receiving, provides open API interface for third party to develop their own business.
Management & maintenance
Remote SMS recharge ,Hot plug SIM cards, SIM cards ’ PIN protection, easy to maintenance
Flexible number manipulation
Support 32 number manipulation rules ,replace the call prefix and send calls to different ports and port groups
Route management
More then 2 softswitch/SIP server send calls to SK GW GATEWAY, white & black IP list management
Voice
•G.711A/U law, G.723.1, G.729A/B
•Silence Suppression & Detection
•Comfort Noise Generation(CNG)
•Voice Activity Detection(VAD)
•Echo Cancellation(G.168)
•Adaptive (Dynamic) Jitter Buffer


SIP Characteristics
•By port registration
•By device registration(share account)
•Support IP trunk and IP trunk group
•Two 183 mode
•Response code switch
•All ports busy, redirected to other device

Mobile Specification
•Frequency Range: GSM/CDMA/WCDMA/LTE
•DTMF mode: Signal/RFC2833
•SMS/SMSC/USSD
•Provide sms software to sent and receive bulk sms
•Call duration limitation
•One/two stage dial-up, Hotline


Maintain & Update
•Web based configuration
•Telnet configuration
•Configure backup/restore
•Support English and China language
•Firmware upgrade by TFTP

•Traffic statistics: TCP,UDP,RTP
•VoIP call statistics
PSTN call statistics: ASR,ACD,PDD

Network Features

•SIM card slot: 8-32 GSM channels
•Ethernet Interface: 1 LAN*10/100M Base-Tx RJ45
•Manage Interface: 1 Console RFC2833
•Static IP, PPPoE, DHCP
•Network Protocol Support:

DWG2000-1G
DWG2000C-4/8G
DWG2000B-8/16G
DWG2000D-32G
Interfaces
GSM/CDMA/WCDMA SIM Ports
1 port
4/8 ports
8/16 ports
32 ports
VoIP channels
1 channel
4/8 channels
8/16 channels
32 channels
Network interface
WAN and LAN,10/100MBase-TX,RJ-45
DWG2000-1G 1LAN/1WAN
DWG2000C-4/8G 1 LAN DWG2000B-8/16G 3LAN 1WAN
DWG2000D-32G 1 WAN
LED indicators
Power, Run, signal strength indicator, LAN
Voice
Voice over packet Capabilities
VAD, CNG, DJB, PLC
Voice Codec
G.711 a-law/?-law, G.723.1, G.729A/B, iLBC
Fax Standard r
T.38/pass-through 1.44kbps


Signaling
DTMF Method
RFC 2833, SIP Info, INBAND
IP Signaling
SIP(RFC 3261) over UDP,MGCP
Provisioning
TFTP, HTTP
Security
Management
WEB browser, Telnet, Voice prompt
Physical
Universal Power Supply
Output:12VDC, input:100-240VAC/50Hz
Environmental
Operational:32-104°For 0-40°C Storage:14-140°For -10-60°C Humidity:10%-90%
Dimensions
122mm×77.5mm×24.5mm
255mm×219mm×30mm
440mm*307mm*44mm
440mm*380mm*66mm
Weight
0.18kg
1.48kg
4.2kg
6.5kg
Additional Features
Caller ID
Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID
Polarity Reversal
Yes
Homologation
Safety
UL