*astTECS GSM Gateway -1 Port VoIP- Multiple Channels as one

*asttecs GSM gateway is cost effective gateway. It reduces 50% of your telephone expenses. Bulk SMS can be send. The product is scalable; just add additional channels to extend the system. Offering high quality at low price, with low power consumption, digital technology, flexible IVR  & voice mail system. 

*astTECS GSM Gateway - 4 PORT VoIP - Multiple Channels as one

*asttecs GSM gateway is cost effective gateway. It reduces 50% of your telephone expenses. Bulk SMS can be send. The product is scalable; just add additional channels to extend the system. Offering high quality at low price, with low power consumption, digital technology, flexible IVR  & voice mail system. 

*astTECS GSM Gateway - 8 Port VoIP - Multiple Channels as one

*asttecs GSM gateway is cost effective gateway. It reduces 50% of your telephone expenses. Bulk SMS can be send. The product is scalable; just add additional channels to extend the system. Offering high quality at low price, with low power consumption, digital technology, flexible IVR  & voice mail system. 

*astTECS GSM Gateway -16 Port VoIP- Multiple Channels as one

*asttecs GSM gateway is cost effective gateway. It reduces 50% of your telephone expenses. Bulk SMS can be send. The product is scalable; just add additional channels to extend the system. Offering high quality at low price, with low power consumption, digital technology, flexible IVR  & voice mail system.