Min. Order : 1 Piece
≥16 Pieces

SK16-16 SK goip used voip gsm gateway avoid sim blocking intercom

Note: Please be cautious and check with your supplier if this product is for virus protection purposes and if the coronavirus (COVID-19) will affect your order.
Trade Assurance
Built-in order protection service in alibaba.com
Product quality
On-time shipment
More on shipping and other trade services.

Quick Details

Place of Origin: Guangdong China
color: blue
channel: 16
wan port: 1
sim slot: 16
Model Number: SK16-16
frequency: 850/1900/900/1800 Mhz
lan port: 1
Brand Name: SKYLINE
Type: VoIP Gateway
protocol: sip&h323
web remote login: support
SMS: support
warranty: one year
Packaging Detail: regular package
Selling Units: Single item
Single package size: 50X38X9 cm
Single gross weight: 4.0 KG
Skyline (Shenzhen) Technology Co., Ltd.
Gold Supplier
Manufacturer, Trading Company
Response Time
On-time delivery rate
US$ 20,000+
Visit Store

SK gsm voip gateway free international calls goip 16 port,16 ports goip gateway




16 ports 16 slots goip  's new functions:

1. Support IMEI change automatic and support USSD

2. Support automatically detect the ACD ASR

3. Support automatically detect the sim card issue 

4. Save your internet bandwidth ,15kb/s for 1 call

5. Including the sim bank feature of avoiding the sim card blocked


For more models contact skype: chinaskylinmichelle


16- 16 port VoIP GSM gateway (SK) for call termination
1:  30% Price of Dinstar, 2N, Topex, IQSIM 
2:  GSM 850/1900/900/1800 Mhz 
3:SIP V1/V2, Compatible with mainstream softswitch, SIP server and Asterisk/Open source PBX 
4:  16 channels 16 SIM cards 
5:  1 sim card per channel
6:  The SIM can Make calls from different Base Stations. 
7:SIMs auto rotation according to ( Time limits - Day hours - successful calls - Unsuccessful calls - .. etc ) 
8:  Removing Blocked SIMs or SIMs with no credit from routeing. 
9:  Remote configuration access. ( Web-interface ) . 
10:SIMs can make calls and SMS between each other. ( To simulate Human Behavior ) 
11:Sending USSD code for SIM recharge. 
12:Working fine with DTMF.


Picture show:





lSupport G729a/b/e,G723.1,G.711 A/U law, iLBC auto-selecting

lEBO(Skyline Bandwith Optimization)

lProxy Encryption Solution for IP Block

lSupport SIM Bank


lSIM Card Rotating(ACOM516-16)

lStation intelligent switching

lERMS(Skyline Remote Management System)

lPort Inter-Calling

lFake Ringback

lCall Duration Limitation for SIM Card/Single

lDial Plan/Prefix Inward Translation/Intelligent Routing

lWeb Browser: Firefox/Chrome /IE/Opera


Mobile Features:

lSMS Send,Receive and Forward(GSM/SIP/HTTP)

lSMS Inbox

lAT Command , USSD

lSMS Format: PDU/TXT

lPIN Code Management

lCDMA Delay Answer

lGSM Polarity Reversal

lCarrier Selection

lCaller ID Hidden(need SIM Card support)


Maintenance & Management:

lMulti-language Interface

lUSB Serial COM

lConfiguration Backup and Restore

lSupport HTTP/TFTP Upgrade

lCall statistics: ASR,ACD,PDD



If you have any needs welcome to contact us ~~