*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. 

Digium 4 PORT Digital PRI Cards

Quad Span – Echo cancellation

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. All quad span models be combined with Digium's VPMOCT128 echo cancellation module to provide echo cancellation across all channels. Digium cards are compatible with all versions of Asterisk using the DAHDi driver framework.

4 Port PRI Card from *astTECS

*astTECS offers *ast 4 PRI, the four port digital PRI card at the market competitive rate. The *ast 4 PRI card is capable to support up to 30 voice calls per span, full-duplex data throughput. The card can be used to create powerful PBX system with Asterisk – the open source platform.
To further improve the output, we need to add the 128ms Hardware based Echo Cancellation Module and reach the highest standard in voice quality on the market.

FXS Analog Card

4 – Port Analog Telephony Card

The 4-port FXS Analog Card supports up to four (4) connections per card in the Asterisk system. The modular nature of the cards allows you to mix and match between line (FXO) and station (FXS) interfaces, giving the exact port configuration required.
FXS is the ‘Foreign eXchange Subscriber’ interface (the plug on the wall) delivers analog telephony services to your home by local phone companies through a circuit consisting of two copper wires; connected to the subscriber equipment (telephones, modems, and fax machines).

Sangoma 4 Port FXS Card

Analog Voice Boards / Analog Telephony Interface boards

Sangoma 4 Port FXS is among the highest quality Analog Telephony Interface boards for connecting Asterisk ®, FreeSWITCH® and many proprietary phone systems to the PSTN. Sangoma 4 Port Analog Telephony Interface boards are also an outstanding choice for building proto-type and proof-of-concept systems. The same drivers and API’s that are used for building a system that supports two telephony calls are used for systems that can support thousands of calls. The 4 Port FXS analog voice boards deliver superior audio quality in a 2U board that expands from two to four ports using a single interface slot.

FXS Analog Card

8 – Port Analog Telephony Card

The 8-port FXS Analog Card supports up to eight (8) connections per card in the Asterisk system. The modular nature of the cards allows you to mix and match between line (FXO) and station (FXS) interfaces, giving the exact port configuration required.
FXS is the ‘Foreign eXchange Subscriber’ interface (the plug on the wall) delivers analog telephony services to your home by local phone companies through a circuit consisting of two copper wires; connected to the subscriber equipment (telephones, modems, and fax machines).

Sangoma 8 Port FXS Card

Analog Voice Boards / Analog Telephony Interface boards

Sangoma 8 Port FXS is among the highest quality Analog Telephony Interface boards for connecting Asterisk ®, FreeSWITCH® and many proprietary phone systems to the PSTN. Sangoma 8 Port Analog Telephony Interface boards are also an outstanding choice for building proto-type and proof-of-concept systems. The same drivers and API’s that are used for building a system that supports two telephony calls are used for systems that can support thousands of calls. The 8 Port FXS analog voice boards deliver superior audio quality in a 2U board that expands from two to eight ports using a single interface slot.

Sangoma 24 Port FXS Card

Analog Voice Boards / Analog Telephony Interface boards

Sangoma 24 Port FXS is among the highest quality Analog Telephony Interface boards for connecting Asterisk ®, FreeSWITCH® and many proprietary phone systems to the PSTN. Sangoma 24 Port Analog Telephony Interface boards are also an outstanding choice for building proto-type and proof-of-concept systems. The same drivers and API’s that are used for building a system that supports two telephony calls are used for systems that can support thousands of calls.
The 24 Port FXS analog voice boards deliver superior audio quality in a 2U board that expands from two to eight ports using a single interface slot.

FXS Analog Card

24 – Port Analog Telephony Card

The 24-port FXS Analog Card supports up to 24 connections per card in the Asterisk system. The modular nature of the cards allows you to mix and match between line (FXO) and station (FXS) interfaces, giving the exact port configuration required.
FXS is the ‘Foreign eXchange Subscriber’ interface (the plug on the wall) delivers analog telephony services to your home by local phone companies through a circuit consisting of two copper wires; connected to the subscriber equipment (telephones, modems, and fax machines).