ENUM

The bridge between the switched telephony network and the Internet


 Media Gateways
Devices which bridge conventional telephone networks and equipment to VoIP telephone networks.


 FXS-FXO Converters

Use this to create a VOIP to PSTN gateway and only have an ATA with an FXS port

 

 Connect VoIP GSM gateway to Asterisk PBX

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Voice over Internet Protocol. A technology for transmitting ordinary telephone calls over the Internet using packetlinked routes. Also called IP telephony


There are two major reasons to use VOIP
- Lower Cost

- Increased functionality

 

A way is required to turn analog phone signals into digital signals that can be sent over the Internet.


This function can either be included into the phone itself or in a separate box like an ATA .

Media Gateways

Media gateways, also commonly referred to as VoIP gateways are devices which bridge conventional telephone networks and equipment to VoIP telephone networks. A typical media gateway has at least one conventional telephone port and at least one ethernet port.

Analog FXO gateways

in alphabetical order

Basic Rate Interface (BRI) ISDN gateways

in alphabetical order

Primary Rate Interface (PRI) ISDN gateways

in alphabetical order

Cellular/Mobile Phone Gateways

in alphabetical order

SoftWare Gateways

in alphabetical order
(Works in combination with a hardware device such as Modems, ISDN BRI/PRI, FXO/FXS cards on a PC)
  • Hotfoon - Hotfoon Node gateway:Works with Modems, Mobile phones, ISDN BRI/PRI.
  • Paraxip Technologies - Paraxip Open Gateway: FXO, PRI, T1 & E1 on Windows using standard Dialogic boards