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Polycom is a multinational corporation selling telepresence and voice communication solutions, with over 3000 employees worldwide. The company licences: H.264 video codecs, Siren codecs, session initiation protocol (SIP), Native 1080p high-definition cameras and displays, Native 720p and 1080p high-definition encoding/decoding, low-latency architecture and low bandwidth utilization, wideband advanced audio coding with low delay (AAC-LD), multichannel spatial audio with echo cancellation and interference filters to eliminate feedback from mobile devices, Optimized environmental conditioning to provide the audio and video experience; and inter-operation with legacy video conferencing.

Products from Polycom have been tested by Dialexia to operate with its VoIP IP PBX and softswitch platforms and applications. Tests made include inbound and outbound calls, call transfers, IVR interaction, and CODEC negotiation. In order to ensure interoperability, Dialexia certifies and supports only specific combinations of third party hardware and firmware.