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Laurence Marchini

Laurence Marchini, Editor, writes:

We see from your search that you're looking for information on the term "DTMF", and we have a large number of manufacturers' news releases and technical articles here on Electronicstalk which will be of interest. Let me be your guide.
Start with the news release Firmware cuts voice processing costs from Zarlink Semiconductor, which we summarised at the time by saying "Zarlink's integrated voice processing firmware provides designers with a 30-40% cost-saving compared to using discrete DTMF and caller ID chips". A few weeks before, we featured the news release Canceller copes with complex echo issues from Zarlink Semiconductor: "Echo canceller combines hardware and firmware to provide superior voice performance across converging networks".
In July 2007, we covered the news from Pika Technologies concerning its Network interface boards - take a look at Network interface boards switch to PCIe which says: "Pika Technologies has brought out PCI Express versions of two of its network interface boards and has added new features to its host-based processing platform".
Take a look also at the news release from Ikanos Communications, Fibre optic company moves into residential market, as well as Media processing platform brings VoIP to SMEs from Aculab, and Codec and signalling chipset for telecomms from CML Microcircuits.

See also:

Management module adopts new DTMF standard (November 2006)
Avocent Corporation is demonstrating the Distributed Management Task Force's new Web Services for Management specification this week at the Microsoft Tech-Ed Forum in Barcelona

Network simulators put telecomms kit to the test (November 2006)
UK based NTS Telecom has recently been appointed as the sole European distributor for the advanced PSTN simulators manufactured by Virtual Console

Cards support business PBX development (October 2006)
Aculab has expanded its support of the Asterisk channel driver to include SS7 and CAS protocol support with Prosody X, scalability through multiple-card support and high-density DSP-based fax

Software ships free with reference design (September 2006)
Evaluation versions of Kozio's kDiagnostics software now ship with ADI Engineering's new Sidewinder XScale IXP465 access gateway reference design

Analogue gateway features up to 16 ports (September 2006)
Pika Technologies has released an analogue gateway board, offering further cost-effective TDM connectivity options for host-based processing technology