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	T.38 Fax Relay over IP Datasheet

Real-Time T.38 Fax Protocol suite

Netbricks T.38 stack called T38-BRICKS is the implementation of the T.38 Fax Relay protocol and is available for use in Facsimile Gateway or in Internet Aware Facsimile device (IAF).

T38-BRICKS is fully compliant with ITU-T T.38 (03/2002) and implements the IFT (Internet Facsimile Transfer) protocol as specified in this recommendation. This protocol uses an IP network to transport the IFT protocol data units through UDP or TCP.

Our Fax T.38 stack can be combined with Netbricks signaling protocols (MGCP-BRICKS, MEGACO-BRICK, SIP-BRICKS) in order to establish Internet session required to transfer T.38 IFP protocol data units . For example, Netbricks implementation of SIP available in SIP-BRICKS product is featuring ITU-T T.38 Annex D and RFC 3362 for support of T.38 in SIP.

The main features of our T.38 stack:
	Fully compliant with ITU-T T.38 Fax Relay specification .
	UDP and TCP support.
	Consistent interface with Netbricks T30-BRICKS Fax Group 3 protocol.
	Consistent interface with Netbricks SOFTMODEM-BRICKS product.
	Tested at rates of up to 14.4 kbps and against IP network impairments such as packet loss, delay, jitter.

T38-BRICKS is based on NETBRICKS architecture using object oriented design and a message passing mechanism for inter-entity communication. T38-BRICKS is designed to interface UDP or TCP/IP through BSD like Sockets. Interfaces to most of commercial OS and RTOS are provided : Windows NT/2000/XP, Linux RedHat, Embedded Linux (Monta Vista), Solaris (32/64bits), VxWorks, AMX, Nucleus, PSOS+, OSE, RTC, VRTX, ...

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