• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Chinaskyline
  • Model Number: SK gsm16-16/64/128/256/512
  • Type: VoIP Gateway
  • VoIP Gateway: VoIP Gateway
  • Brand: Chinaskyline
  • Encryption: VOS3000,RC4,XOP.Base64
  • Voice codec: G729a/b/e, G723.1, G.711A/U law,iLBC
  • Frequency: GSM/CDMA/WCDMA/4G
  • Weight: 4kg
  • Color: Blue/Black
  • Feature: 16 ports with 128 sim cards
  • Support: AT, SMS,USSD
  • Warranty: One year

Packaging & Delivery

Packaging Details Carton package
CBM: : 51*39*10cm
G.W: 4.5KG
Delivery Time 1 day

best voip service 64/128 sim cards skyline 16 ports 128 multi sims mobile asterisk voip gsm voip gateway


Product Description


best voip service 64/128 sim cards skyline 16 ports sip port multi sims mobile asterisk voip gsm voip gateway is a multi-functional and high performance product, which is designed with advanced embedded technology .best voip service 64/128 sim cards skyline 16 ports sip port multi sims mobile asterisk voip gsm voip gateway is able to process traditional voice call service and internet data service and adopt new hardware and software structure, which supports up to 16 concurrent calls.




-Working fine with DTMF.

-GSM 850/1900/900/1800 Mhz 
-SIP V1/V2, Compatible with mainstream softswitch, SIP server and

 Asterisk/Open source PBX 
-16 channels 64 SIM cards 
-1 sim cards per channel rotation using 
-The SIM can Make calls from different Base Stations. 
-Removing Blocked SIMs or SIMs with no credit from routeing. 
-Remote configuration access. ( Web-interface ) . 
-Each sim card can make calls and send SMS between each other. 

 ( To simulate Human Behavior )

-Sending USSD code to check SIM card balance for SIM recharge.

-SIMcards can rotate automatically according to ( Time limits - Day hours - 

 successful calls - Unsuccessful calls - .. etc )

Special Features

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

-Bandwith Optimization

-Proxy Encryption Solution for IP Block

-Support SIM Bank


-SIM Card Rotating(ACOM516-64)

-Station intelligent switching   

-Remote Management System

-Port Inter-Calling

-Fake Ringback

-Call Duration Limitation for SIM Card/Single

-Dial Plan/Prefix Inward Translation/Intelligent Routing

-Web Browser: Firefox/Chrome/IE/Opera

-Solution to solve the SIM card blocked by:

  • Accumulated Call Duration
  • Accumulated Connected Calls
  • Accumulated Calls
  • Consecutive Failed Calls
  • Consecutive No-Alert Calls 
  • Consecutive No-Answer Calls
  • Consecutive No Carrier Calls
  • Consecutive Short-Duration Calls



Telnet, STUN




SIM Frequency





Guide Initialization Web

Call Forwarding

PIN Code Management



Caller Anonymous

Avoid FAS


Echo/Silence control

Echo/Silence control


SIP V2.0 RFC3261



Black/White List

Linux Operation(Safe & Stable)


Cooling Fans

Power Input:100-240V~50-60Hz 1.2A MAX

Power Output:12V/5A

RJ45&USB Cable support

16 Antennas

Working Temperature:0~+50℃

Working Moisture: 10 ~ 90 % RH

HTTP Web Browser: Firefox/Chrome /IE/Opera

16 Channel 64 SIM cards/16 Channel 16 SIM cards

USB Serial Port , Baudrate:115200,8,n,1,n



Main Features:


16- 64 port VoIP GSM gateway (SK) for call termination
1:Great quality  new  device with  guaranteed post  sale  service

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 cars per channel rotation using 
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.



Maintenance and Management:


1.Multi-language Interface

2.USB Serial COM

3.Configuration Backup and Restore

4.Support HTTP/TFTP Upgrade

5.Call statistics: ASR,ACD,PDD

6.Remote Management System



Product shows








Company Information

CHINA SKYLINE TELECOM CO.,LIMITED was founded in 2002.We have over 120 employees ,15 departments and more than 10 production lines.More than 200 companies have established business with us,and they are from 40 different countries.

Our company is a manufacturer of VoIP Gateways,GSM VoIP gateways, with well-equipped testing equipment and strong technical force. With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in communication industry and other industries. Our products are widely recognized and trusted by users and can meet continuously developing economic and social needs.

We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!

And we set up a new team for voice wholesale business two years ago.Currently there are five departments with professional teammates for voice business:

--Carriers Relations Dep
--NOC Dep
--Rate Dep
--Billing Dep
--Finance Dep
--Customer Care Dep

We are carrying more than Twenty Million minutes international outbound and inbound traffic monthly and owning 200+ interconnetions with Tier1 and Tier2 carriers.
We mainly focus on Asia and Africa destinations and have more than 20 direct routes such as Pakistan,Vietnam ect.

We treat every partner as our best friend because we insist on sincerity,trust and open-minded will be the key to the success for both parties.We sincerely welcome all VOIP interconnection.








Packaging & Shipping


We can ship to u once we confirmed ur payment !




How many kinds of modem for GSM module?

there are Q2303/Q2403/Q2603/Q24plus

How about our service?

We have professional engineer to help you about all your tech problems anytime,the satisfaction of our customers is our greatest desire.

What is our main express shipment?

DHL,UPS,FEDEX,TNT,EMS(can ship to anywhere all over the world)

How long we're warranty ?

1year or more

During warranty time,if have problem,how to do?

we'll test by teamview or send back,we'll exchange new in free.

How long about our techinical support?

in free,forever



Our Services

>We provide strong technical support about VoIP service and A-Z termination(6 days*12 hours)


>We can help you rent a VoIP server in USA


>We can provide copy version VOS


>We can instal Relay server, SMS server, SMB server for you.(for free)


>We can offer voip terminal guide


>We would lke to buy your termina routes.


>We offer full tech support until your gateway runs well.



Contact me

Any enquiry, plz contact me freely.

skype: skylinealison      whatsapp: 0086 18816790032



Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
Trade Assurance
China (Mainland)
Transaction Level:
Supplier Assessments:
13 Transactions 8,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $56,000
Learn More