Goip Gsm 4G Sms Gateway 32 Ports Sip Gsm Voip Gateway

FOB Reference Price:Get Latest Price
US $226-1,850 / Piece | 1 Piece/Pieces (Min. Order)
Supply Ability:
3000 Piece/Pieces per Month
Report Suspicious Activity
Quick Details
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Model Number:
VoIP Gateway
voice scoding::
g.711 a/u g.723.1 g.729.A/B
full band
Storage Temperature::
0-50 degree
support sms sending
support IPPBX system
1 year
life-time technical support
Packaging & Delivery
Packaging Details
Size: 325mm (W) x 140mm (L) x 60mm (H)
Delivery Time
Shipped in 3 days after payment

A-Z Traffic is available for your direct route!

Product Description

8 port goip gsm 4G sms gateway 32 ports sip gsm voip gateway

VoIP GSM Gateway  GoIP-8/SK32-512  bridges the GSM and the IP networks by enabling voice communications. It is installed on the Mobile SIM card, you can register the GSM telephone on the VoIP Soft switch .It can be easily combined into arbitrary number of channels of Large Gateway Group. Low price, perfect sound quality and powerful function make GoIP GSM inevitable choice of system Integrators, traffic Business and soft switch Manufacturers.

Key Features

Provide 8 cellular channels for IP-PBX  goip gateway

Open Standard VoIP Protocols (SIP&H.323)

Single or Multiple Server Registrations

Two 10/100 Ethernet for WAN / LAN connections

Peer-to-Peer IP Calls

Quad band GSM module: 850MHz, 900 MHz, 1800 MHz, 1900MHz

Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer

Line Echo Cancellation

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


Enhanced Features

LEDs for Power, Ready, Status, WAN, PC, GSM  goip gateway

Dial in mode or dial out mode only

Call forward from GSM to VoIP and VoIP to GSM

Dial Plan

Password protection for both GSM dial in or dial out

Retransmit GSM Caller ID to VoIP terminal

Dynamic selection of codec

Advanced jitter buffer

Automatic traversal of NAT and firewall

VLAN / Qos

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  goip gateway


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 (STUN)- Simple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)

RFC 3891 - SIP "Replaces" Header

RFC 3892 - SIP Referred-By Mechanism   goip gateway

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

Web-base Management

PPP over Ethernet (PPPoE)

PPP Authentication Protocol (PAP)

Internet Control Message Protocol (ICMP)

TFTP Client

Hyper Text Transfer Protocol (HTTP)

Dynamic Host Configuration Protocol (DHCP)

User account authentication using MD5


Free Software

( Free Software )

SMS Server  ( for sending message )     goip gateway

SIM Server ( Sim Bank Scheduler Server )  ( for controlling and managing SIM cards of GoIP )

Relay Server  ( encrypt the VoIP data )

Remote Access  ( the terminal is behind the NAT )


Hardware Specifications

Processor: ARM9E 133MHz          goip gateway

DSP: VPDSP101-4 100MHz

Memory: RAM 16MB/ Flash 4MB

GSM Module: 850MHz, 900MHz, 1800MHz, 1900MHz

Power: 12 VDC 4A (110V-220V) (AC/DC adapter included)

Power consumption: 20W maximum

Operating temperature: 10°C to 40°C (32°F to 104°F)

Storage temperature: 0°C to 50°C (32°F to 122°F)

Size: 325mm (W) x 140mm (L) x 60mm (H)

Weight: 1.2KG (Including AC/DC Adapter)

Warranty: one year



8 port goip gsm 4G sms gateway 32 ports sip gsm voip gateway





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)

SMS Receive & Send


Human Behavior


Automation BTS change
Internet browser


Channels/Sim slots  


32/128; 32/256; 32/512




G729 a/b/e, G723, G711 A/U law, iLBC


SIP account


Management with Authentication




VOL control
PIN Code Management


Transmitter power


+33dBm (2W) 850/900MHz, +30dBm (1W) 1800/1900M


SIM card  


1 SIM per channel, Small plug-in, 3V


Antenna connector  


SMA (female), Impedance 50 Ω








Serial Port, Baud rate: 115200, 8, n, 1, n




User Management program via USB interface
Includes version update capabilities for firmware or Management Software
Remote Control
Telnet, Console Echo




850 / 900 / 1800 / 1900 MHz (quad-band) 




Network types: 850/1900 & 900/2100MHz
Antenna connector: SMA (female), Impedance 50 Ω




Network types: 800/1900MHz
Antenna connector: SMA (female), Impedance 50 Ω




EC20-E:FDD LTE: B1/B3/B5/B7/B8/B20
              UMTS: B1/B5/B8 
              GSM: 850/900/1800/1900MHz
EC20-A:FDD LTE: B2/B4/B5/B12/B17
              UMTS: B2/B4/B5 
              GSM: 850/1900MHz
EC20-C:FDD LTE: B1/B3/B8 
              TDD LTE: B38/B39/B40/B41
              TDSCDMA: B34/B39 
              UMTS: B1/B8
              GSM: 900/1800MHz




Power Input: 100-240V~50-60Hz 1.2A MAX
Power Output: 12V/8A






Working Condition  


Working Temperature: 0~+50℃
Working Moisture: 10 ~ 90 % RH







 hot 4G LTE goip sms gateway 32 ports voip gsm gateway

 hot 4G LTE goip sms gateway 32 ports voip gsm gateway

 8 port goip gsm 4G sms gateway 32 ports sip gsm voip gateway



 8 port goip gsm 4G sms gateway 32 ports sip gsm voip gateway

 hot 4G LTE goip sms gateway 32 ports voip gsm gateway

 hot 4G LTE goip sms gateway 32 ports voip gsm gateway




  hot 4G LTE goip sms gateway 32 ports voip gsm gateway

  8 port goip gsm 4G sms gateway 32 ports sip gsm voip gateway



 8 port goip gsm 4G sms gateway 32 ports sip gsm voip gateway


Packaging & Shipping



Shipment will be arranged in 24 hours after payment.

 8 port goip gsm 4G sms gateway 32 ports sip gsm voip gateway

Our Services


>We provide strong FREE tech support about gateways and VOS and A-Z termination. (6 days*12 hours)

>We can help you rent a VoIP server in USA.

>We can provide you with legal VOS.

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

>We can offer voip terminal guide.

>We can buy your terminate routes and pay you 2 times in one week.

>We offer full tech support as long as your are runing.

>We can accept Western Union, Money Gram, T/T, Wechat Pay, Ali Pay and Alibaba trade assurance order.


Company Information



SKYLINE INTERNATIONAL COMMUNICATION Co., Ltd. was founded in 2002.We have 70 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 & Finance Dep, customer Care Dep.

We are carrying more than Twenty Million minutes international outbound and inbound traffic monthly and owning 200+ interconnections 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!




Q: 1 . How can I start voip business?

A:  For voip business , you need devices , server , softwitch , sim cards and internet ; and our company can provide devices ,server and softswitch like vos3000.

Q : 2. If I be faced some issues about the devices , how can i solve it ?

A:  The device has one year warrantly , and also we provide good service , tech free but strong support.

Q :3. If i use it for call terminal , but how can i find the traffic provider?

A: Our company also does traffic business , so for Pakistan , Bangladesh,Vietnam ,Afghan,Ethiopia and so on , we can provider the traffic.
Q: 4.If your routes facing the issue for quality not good , any solution ?

A:Dear , i can suggest you some solution for the good quality , also you can use our device for the high asr and acd 
Q:5.I need more ports , any device ?

A: Yes ,dear , for sk gsm device , we have sk 2G/3/4G 16-128, 16-256, 16-512, 32-128, 32-256, 32-512, also we have goip32.
Q:6 If i do not have skype ID , then how can i chat with you?

A:Also i have wechat and whatsapp , my account same is 0086 17688733622
Q: 7 If i can not do the customs clearance , then what can i do ?

A: Do not worry , dear , we have strong ability for this. 
Q:8  Quickly contact way ?
A: My skype ID is skyline_arise  , my whatsapp/phone/wechat/viber is 0086 17688733622


Any need and questions , you can contact with me freely. 

WhatsApp: +86 17688733622           skype: skyline_arise

 8 port goip gsm 4G sms gateway 32 ports sip gsm voip gateway