Floreat’s T.30 Group 3 Fax Protocol Software
The T.30 is that portion of the ITU-T Group 3 fax standard that specifies the procedures and protocols for fax transmission. It determines how fax devices in the public switched telephone network (PSTN) exchange information about their supported characteristics and manage the fax session.
Floreat’s T.30 implements the five separate and consecutive phases in a facsimile transmission that are described in the T.30 standard:
A) call-establishment which initiates the handshake for the sending and receiving machines to connect and recognize each other as fax instruments
B) pre-message procedure which allows the answering machine to identify itself and its capabilities
C) message transmission with two phases one for synchronization, line monitoring and problem detection and the second for datatransmission
D) post-message procedure that begins after the page is transmitted and allows the sender to send more pages with a Multi-Page Signal
E) Call release where the machine that transmitted last sends a hang-up message and does so without waiting for a response.
Floreat’s fax modem protocols are modular, re-locatable and re-entrant to support multi-channel capability. This protocol
software can operate within a multi-tasking environment or as a single task and it is supported on various DSPs and processors as well as offered in fixed and floating point C.
Floreat’s Fax Modem protocols can be integrated with Floreat’s otherdata modem, telephony, speech compression, VoIP, FoIP, imaging and video software for various applications.
Floreat’s T.30 Group 3 Fax Protocol Software printable pdf version 
Floreat’s FloFax Software
Floreat’s FloFax includes all the fax modulation standards that are listed as requirements for the Group 3 Facsimile. This includes the following:
1) V.21 (300bps) recommendation which uses FSK (Frequency Shift Keying), in which different frequencies represent binary data. V.21 speeds are used to exchange initial capabilities of two fax machines but not to send the fax image
2) V.27ter (2400 and 4800 bps) which uses DPSK (Differential Phase-Shift Keying) in which phase differences are used to encode bits
3) V.29 (9600 bps with fallback of 7200 bps) that incorporates QAM (Quadrature Amplitude Modulation), amplitude modulation with phase shifts, and is used to transmit image data
4) V.17 (14400 bps with fall-back to 12000 bps, 9600 bps, 7200 bps), which uses TCM (Trellis Coding Modulation) that enhances reliability and supports high speeds so that this modulation scheme is used to transfer images
5) V.34 (33600 bps), which uses TCM constellations, echo-canceling and line-probing to achieve the high speeds that make it suitable for color fax transmission
Floreat’s FloFax modem software is modular, re-locatable and re-entrant to support multi-channel capability. These fax software modems can operate within a multi-tasking environment or as a single task and it is supported on various DSPs and processors as well as offered in fixed and floating point C.
Floreat’s Fax Modem software an be integrated with Floreat’s other data modem, telephony, speech compression, VoIP, FoIP, imaging and video software for various applications.
Floreat’s FloFax Software printable pdf version
Floreat Group 3 Fax over IP Software (G3 Fax over IP Software) package (real time):
V.17, V.29, V.27ter, V.21 ch.2, T.30, T.38
Floreat Group 3 Fax over IP Software (G3 FoIP Software) package (store and forward):
V.17, V.29, V.27ter, V.21 ch.2, T.30, T.37
Floreat Color Super Group 3 Fax Modem Software (Super G3 Fax Software) package:
V.34 Fax, V.17, V.29, V.27ter, V.21 ch.2, T.30, T.30E
Floreat Super Group 3 Fax Modem Software (Super G3 Fax Software) package:
V.34 Fax, V.17, V.29, V.27ter, V.21 ch.2, T.30
Floreat Group 3 Fax Modem Software (G3 Fax Software) package:
V.17, V.29, V.27ter, V.21 ch.2, T.30
Floreat Group 3 Fax Modem Software (G3 Fax Software) package (end to end):
V.17, V.29, V.27ter, V.21 ch.2, T.30, T.4, T.4 to Tiff conversion |
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