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.