*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. 

Digium 4 PORT Digital PRI Cards

Quad Span

Digium's quad span digital interface cards support 96 (T1 / J1) or 120 (E1) connections to PSTN trunks over four spans (digital circuits). Built exclusively for use with Asterisk and Asterisk-based communications systems, the quad span digital cards provide the best value in digital connectivity.
Quad span digital cards are available in PCI and PCI-Express form factor. Digium cards are compatible with all versions of Asterisk using the DAHDi driver framework.

Sangoma Four-Span T1/E1/J1

Buy 4 Port PRI Card with Echo Canceller

The Sangoma A104 board: Four spans of optimized voice and data over T1, E1, and J1 lines. This 4 port PRI Digital card supports up to 120 voice calls or 8.192 Mbps of full–duplex data throughput over four T1, E1, or J1 lines. The 4 port pri digital card is equipped with world class DSP hardware to achieve carrier-grade Echo Cancellation and Voice Quality Enhancement functions for your telephone systems.

Sangoma Four-Span T1/E1/J1

Buy Four Port PRI Digital Card

The Sangoma A104 board: Four spans of optimized voice and data over T1, E1, and J1 lines. This 4 port PRI Digital card supports up to 120 voice calls or 8.192 Mbps of full–duplex data throughput over four T1, E1, or J1 lines.

16 Port GSM Dialer

16 port GSM dialer is a call center suit with GSM trunk. With 16 GSM ports, user can make or receive 16 concurrent calls. The objective of the GSM dialer is to connect the GSM card to the computer.
GSM dialer is the perfect call center solution for remote locations, where connectivity is available only through GSM cards.

Buy Single Port PRI Digital Card

As claimed by Sangoma it is “industry’s first affordable single span T1/E1/J1 board“ for smaller systems. Sangoma 1 port PRI digital card uses the same high-performance PCI or PCI Express interface that is providing superior performance in critical systems all over the world. It supports up to 2.048 Mbps of full duplex data throughput or up to 30 voice calls over a single T1, E1, or J1 line.