Convergence throws up unique challenges that merges Internet capabilities with PSTN functions. At Tata Elxsi, we help manufacturers of converged data, voice & video equipment to build layers of hardware and software in products. Our customers include network equipment manufacturers enabling services like IP Telephony, IP Video Conferencing and IP Multimedia Services.

We leverage our expertise in Multimedia and Communications to develop and integrate multiple technologies in products.

Some of our services include:

	ASIC/SoC design, verification & validation for IP Phones, multiplexers, residential gateways, voice gateways, media gateways, etc.
	Customization and optimization of audio/video codecs for specific targets/DSPs, voice bridging/ transcoding, and implementation of multimedia system layer protocols like 3G-324M, etc.
	Customization and integration of signaling and control plane protocols for transmission of voice, video and data over IP networks.
	Development of interworking technologies like VoATM, VoFR, VoDSL etc; and VoIP components like MGCP, Megaco, SIP, H.323 and Sigtran to build multi-service/multi-protocol devices.
	Server development for integrated messaging, video conferencing (multi-location information sharing), and Digital Video Broadcast.
	Building operations support and element management systems.