VoIP technology


Dialog Semiconductor is delivering high quality, ultra efficient VoIP applications. Our Green VoIP processors combine industry-leading power consumption with the flexibility and processing capacity to handle a wealth of enterprise VoIP applications.

Combining a wide range of narrowband and wideband VoIP codecs with state-of-the-art acoustic echo cancelling, the ICs deliver a crisp and natural voice in all environments.

The technology’s flexibility enables the creation of a wide portfolio of devices whilst using the same processor family; from a basic desktop phone to advanced systems with a suite of software applications and support for wireless and Gigabit Ethernet connections.

Dialog works closely with industry bodies to define and implement new open standards and technologies. For VoIP technology, our solutions focus on the session initiation protocol (SIP) for maximum interoperability with IP-PBX vendors.



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Product selector guide



  Product Description Function Memory Processor Main features Software
Ext. Flash ROM CPU MIPS DSP MIPS I/O Handsfree Amplifier Charge control Special features Support
SC14452 Voice over IP Processor Y N N 80 160 GPIO, UART, I2C, Microwire, 2x SPI, QSPI, PCM, Ethernet MII, DECT 1.2W, 4 Ohm N 4 VoIP channels Rhea µClinux VoIP SW
SC14453 Voice over IP Processor y N N 136 250 GPIO, 2x UART, 2x I2C, 2x SPI, NAND, MMC/SD, QSPI, USB 1.1 Host, USB 2.0 OTG, PCM Microwire, 24-bit RGB LCD interface, Ethernet MII, DECT 2W, 4 Ohm, 2x 1W, 8 Ohm up to 48 KHz OpenVG 1.1 Vector Graphics processor, Dual DC/DC, Resistive touch interface, Cryptography accelerator, Secure boot G722, G726 Rhea µClinux VoIP SW, Qt
SC14461 Voice over IP Processor Y N N 80 80 GPIO, UART, I2C, Microwire, 2x SPI, QSPI, PCM, Ethernet MII 1.2W, 4 Ohm N 2 VoIP channels Rhea µClinux VoIP SW


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