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2020 skyline supplier cheap voip sk16 ports 16 sim cards 2G/3G/4G SMS GATEWAY

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Quick Details

Brand Name: SKYLINE
Type: VOIP Gateway ,VOIP Gateway,VoIP Gateway
Place of Origin: Guangdong China
Warranty: 1 Year
Support: IMEI Change
Network Protocols: SIP V2.0 RFC3261
Port: 16 PORT
Frequency: 900/2100MHz or 850/1900Mhz
Power supply: 100-240V~50-60Hz
Model Number: sk16-64,sk16-64
Protocol: SIP V2.0 / RFC3261
Application: Calling or SMS send and receive
Packaging Detail: If you have any question,please contact me !
Selling Units: Single item
Single package size: 20X22X18 cm
Single gross weight: 4.0 KG
Package Preview: https://sc04.alicdn.com/kf/H9cc80a5426ea4a97a86e179c52518bf8B.jpg_640x640.jpg
Skyline (Shenzhen) Technology Co., Ltd.
Gold Supplier
Trading Company
Response Time
On-time delivery rate
US$ 160,000+
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2020 skyline supplier cheap voip sk16  ports 16 sim cards 2G/3G/4G SMS GATEWAY

SK16-16 is a multi-functional and high performance product, which supports SMS sending, receiving and group sending.
It’s different from traditional modem, it’s based on IP network, with the SMPP/HTTP API, customers can develop SMS server easily. It is widely used in mobile marketing, verify code, bulk of SMS and corporate SMS.


1) Support 8/16/32/64 Channel, Up to 128 sim for auto sim switch by call minutes/SMS limit per sim/day

2) 2G/3G/4G models all available
3) Support work with IPPBX, 3CX, Elastic,Asterisk,Vos,Softswitch etc
4) Free firmware version update online and remote management
5) Free lifetime tech support
6) SMS ONLY, Lower Cost
7) Free SMS sending software with device


Main Features
* Free SK SMS Software for Bulk SMS Send/receive/forward 16-128
* Support 16 sim work at once,up to 128 sim work by rotation
* AT Command Directly,Support SMPP,HTTP API,USSD Connectivity
* Support 2G/3G/4G Sim Cards
* IMEI Change/Bulk USSD/Sim Auto recharge
* Anti-Sim Blockage Features
* MMS/Long SMS Messages
* Email to SMS;SMS to Email
* Maximun SMS Send Speed 5440 sms per minute
* Carrier Selection


Special Feature

2) Support ERMS(Skyline Remote Management System)
3) Support SIMPOOL
4) Support hot-swap
5) Support USSD/AT API
6) Support IMEI modify
7) Support SMPP server/client



 Human Behavior Features

1) IMEI change

2) Base station change

3) SMS send limit

4) Internet surfing

5) Sims auto-changing


1) Ideal for telecom distributors, resellers, service providers
2) SMS Verification & ONE time passwords
3) Marketing campaigns (promotion, sale)
4) Bulk SMS Compagin, SMS termination
5) Information services
6) SMS- Newsletters
7) Notification- SMS (appointment, birthday)
8) Surveys & Feedback request
9) Sims Business
10) Store SMS Content in device page

16-16 816-16 4

model 2G/3G/4G
sim  16 port support 128 sim card  8 sim rotate 
Technical Parameter * Telephony Features: Phone book, LCR, White list
* Network Protocols:IPv4, TCP, UDP, PPPoE, DHCP, DNS,NAT, Telnet, HTTP, FTP, TFTP
* 1 WAN 10/100Base-T Ethernet(RJ-45 connector)
* 1 console(USB connector)
* Power Supply: 100-240VAC, 50 - 60 Hz
* Operating temperature: 0 - 50ºC
* Warranty: 12 months
* Operating humidity: 10 – 90%RH
* Get SIM Number/Balance auto
* VPN(pptp)
SMS Software and Gateway Page
2 AB


Relay Encryption Solution(Fix IP Blocking
Bandwidth Optimization
SIM Rotating Automatically(Fix SIM Blocking
Base Station Switch
SIM Hot Plugging
Remote Control(Manage Device Anywhere
Muti-codec Support)
Human behavior
Automation BTS change
Internet browser

Packaging & Shipping

In order to ensure the safety of the transportation process of the equipment, we adopted the foam board with built-in anti-shock.

Accessory parts:

1 pc RJ45 cable
1 pc power adapter
1 pc USB cable
16 pcs anternna16-128eOur Services

>We provide strong technical support about VoIP service and A-Z termination(7 days*24 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.

Company Information


SKYLINE INTERNATIONAL COMMUNICATION Co., Ltd. was founded in 2002.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!


Q: 1 . How can I start voip business?
A: For voip business, you need devices , server , softwitch , sim cards and internet. our company can provide devices ,server and softswitch, like vos3000. Our tech team will help to set up your system to get calls.

Q : 2. If I face some issues about the devices , how can i solve it ?
A: All device has one year warrantly and we will provide you with tech support all time to fix your problems.

Q :3. If I use it for call terminal , but how can i find the traffic provider?
A: We have A-Z voice and sms traffic department to push traffic for you.

Q: 4.If my routes face the issue for quality not good , any solution ?
A: Firstly, you can check your internet, gsm signal, sim cards balance, sim blocking. Secondly, if everything is good, we will guide our engineer to help you check your configurations.

Q:5.I need more ports , any device ?
A: If your ports are less than traffic, you should increase more ports to accpet more traffic. We have 16-16, 16-64, 16-128, 32-32, 32-128, 32-256, 32-512 for you to expand your business.

Q: If i can not do the customs clearance , then what can i do ?
A: We do have the DVD Amplifier Case and it can pass 99% countries customs without customs issue. If you buy gateways to Pakistan and Bangladesh, we will handle the customs clearance and responsible for all risk.


If you have any question,please contact me !