*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. 

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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.

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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.

Optional DSP Hardware Echo Canceller Daughterboard  G.168–2002 echo cancellation in hardware  1024 taps/128 ms tail per channel on all channel densities  DTMF decoding and tone recognition  Voice quality enhancement: music protection, acoustic echo control, and adaptive noise reduction  Does not increase the physical size of the board, and no additional slot is required Learn More...

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.

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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.

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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.

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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.

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Sangoma 4 Port FXO Card

Analog Voice Boards / Analog Telephony Interface boards

The Sangoma 4 port FXO analog voice board is designed specifically for smaller-budget installations. • 4 Simultaneous PSTN calls (per interface slot) • Compatible with all commercially available motherboards • Hardware echo cancellation available • Hardware fax synching support

FXO is foreign eXchange Office interface, and is the plug on the phone that receives Analog telephony services, typically from the local phone company’s central office, of the Public Switched Telephone Netwok (PSTN). In other words, an FXO interface points to the Telco office.
Primarily, the services provided by an FXO interface to any Telco network device are to on-hook / off-hook indication (loop closure).

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*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. 

Learn More...