Configure Synway GSM Gateway SMG4008 with VICIdial, Goautodial & Asterisk

This tutorial explains steps to Install and Configure Synway GSM Gateway SMG4008 with VICIdial, Goautodial & Asterisk.

About Synway GSM Gateway :

Synway SMG4000 series GSM/CDMA VoIP Gateway is a multi-functional product used to efficiently realize the smooth transition between mobile and VoIP network With push-pull SIM card sockets for easily installing the SIM cards, it adopts advanced built-in VoIP processors and GSM/CDMA modules, and enables ISPs and VoIP solution providers to deliver highly available and versatile wireless to-IP systems, effortlessly and cost-efficiently.

Step1 : Initial Configurations of Synway GSM Gateway

Power on the GSM Gateway and connect the gateway to the Network.
By default the Synway Gateway Assigned with IP :
make sure this default IP should not have conflict with your existing network.

  • Now open a browser and Type
  • The default username and password is admin/admin
  • Once you are Logged in, Click the Quick Config option from the Left pane, in the quick config we will be assigning a new IP and SIP Server IP details.

In the quick-config network settings page change the default ip to a static from your network. For this guide i am assigning

  • Click Next
  • Now you will be move to Quick Config-SIP Settings
  • In the Registrar IP Address we need to enter your Asterisk /vicidial/goautodial server IP address
  • For ex. my asterisk server ip is

  • Click Next
  • Just Click Next in PORT setting and after that click finish.

Step 2 : Configuring the PORTS , SIP settings and outbound ROUTING

  • Now access your GSM via newly assigned IP :
  • username /password : admin/admin
  • As for this document we are grouping all the sims to single group and dialling will be in roundrobin between sim cards.
  • IN admin panel Click Port — Port Group
  • Prot Group will be empty – Click ADD NEW
  • In the Port Group-Add page fill the below details

  • Index the group no
  • SIP account – this is the account to be created in your asterisk server with a pasword ,say synway123
  • Make sure all the active SIM ports are selected.
  • Save
  • Now you can the Register status of this group to your asterisk server(it will take some minutes)

Configuring Outbound Rouing

  • Click the Route option from the left pane of admin pane
  • Click IP–TEL
  • ADD New
  • Fill the below details and press save

Step 3 : Configuring the SIP server ie asterisk or vicidial

  • Create a sip peer in the asterisk server
  • Login to the command line of the asterisk server using ssh putty tool

Open the sip.conf file and add the below details at the last line (vi /etc/asterisk/sip.conf)


Save the file and exit.

  • Go to asterisk cli (asterisk -vvvvvr)
  • type sip reload
  • Now check whether the gsm gateway is registered by typing sip show peers , it will show ok

Now we need to create a dialplan to dial via GSM gateway. Below is the dialplan for asterisk and vicidial /goautodial

Plain Asterisk PBX
go to vi /etc/asterisk/extensions.conf
under default context use the below dialplan
exten => _9X.,1,Dial(SIP/gsm222/${EXTEN:1})
exten => _9X.,2,Hangup

For Vicidial / Goautodial
you can either write the dialplan in gui or in command line, i prefer command line
vi /etc/asterisk/extensions.conf
under the default context type

exten => _9X.,1,AGI(agi://
exten => _9X.,2,Dial(SIP/gsm222/${EXTEN:2},,tTo)
exten => _9X.,3,Hangup

Author: Kaushal Kumar
I am a Server-side Linux & Web Technologies professional. I dedicate my full time working towards the overall success of my client's Businesses. I help my clients with their business communications, CRM & ERP, Internet Marketing etc. Want to work together: I'd love to hear from you.

Leave a Reply

This website uses cookies and asks your personal data to enhance your browsing experience. We are committed to protecting your privacy and ensuring your data is handled in compliance with the General Data Protection Regulation (GDPR).