GSM gateway for the Open Source IP PBX & Call Center DialersREQUEST FOR QUOTE

*astTECS GSM Gateway

GSM gateway for the Open Source IP PBX & Call Center DialersREQUEST FOR QUOTE

*astTECS GSM Gateway

*astTECS GSM Gateway

GSM Gateway offers a 4G LTE enabled flexible GSM solution for the Open Source IP PBX & Call Center Dialers.

VoIP 4G LTE GSM Gateway functions as Trunk for IP PBX or Call Center Dialers to connect the users to the GSM Network. It allows direct routing between IP and GSM Networks. GSM Gateway can reduce the office Telephony Bills by upto 60% with Least Cost Routing (LCR). It can also be used to send and receive SMS Messages. GSM Gateway also functions as a backup to the PRI or Analog trunk lines. SIM Cards can also be connected to GSM Gateways, after which SIMs can be used in rotation.

* astTECS GSM Gateway converts your landline to mobile calls into mobile to mobile calls. Thus helps in reducing 50% of your Telecom expenses.

GSM Gateway Features

Key features

  • 4/8/32 GSM/CDMA/WCDMA Channels.
  • Up to 4/ 8/ 32 Concurrent Calls
  • SIM Card Slot: 4/8/32 Channels
  • API for SMS Sending and Receiving
  • GSM: Quad-band 850/900/1800/1900MHz
  • USSD, Open API for SMS/USSD
  • PSTN and VoIP Hotline
  • BCCH
  • PIN Code Management
  • Flexible Dial Rule & Manipulation Rule

Voice Capability

  • G.711A/U law, G.723.1, G.729A/B
  • Silence Suppression & Detection
  • Comfort Noise Generation(CNG)
  • Voice Activity Detection(VAD)
  • Echo Cancellation(G.168)
  • Adaptive (Dynamic) Jitter Buffer
  • Call Progress Tone Generation
  • Programmable Gain Control

Mobile Features

  • Frequency Range: GSM: 850/900/1800/1900MHz
  • SMS Coding/Decoding: ASCII/UCS2
  • Open API Protocol
  • PIN Code Management
  • Call Duration Limitation for SIM
  • Card/Single Call
  • Polarity Reversal
  • Answer Delay (CDMA)
  • Carrier Selection (GSM)
  • Caller ID Restriction for Outgoing Call
  • BCCH Management
  • Call Waiting
  • Call Forwarding
  • Telnet Configuration
  • Firmware upgrade by HTTP/TFTP
  • Configure Backup/Restore
  • VoIP Call Statistics
  • Outbound Proxy
  • System Logs

Product Bundles

  • 4 Port GSM Gateway
  • 8 Port GSM Gateway
  • 32 Port GSM Gateway

Gsm Gateway Provider


Mr. Clint Slaunwhite EnviroSystem,Canada

astTECS allowed me to achieve a very noticeable improvement to our ability to conduct business and helped my recognition as a new manager to the company.

Mr. Clint Slaunwhite  EnviroSystem,Canada

Mr. Anand Mital CEO,

We at run our call centres on *astTECS servers – a customized product supplied and supported by *astTECS Bangalore. Around 10+ servers (up to Mar 2015) have been deployed

Mr. Anand Mital CEO, 

Mr. Anup Heggar, Director, Bookaprop Estate (P) Ltd.

“Your services have added immense value to our business. The support from your team has been wonderful. You are a trusted partner in our progress.”

Mr. Anup Heggar, Director, Bookaprop Estate (P) Ltd.

Let us know how can we help you?

GSM Gateway support services