Cisco 6961 Unified IP Phone

Cisco 6961 IP phone model is the final in its family line is mostly used by management and clerks, the model support voice and video communications (Cisco UC Phone 6961, Standard Handset)

Cisco 6961 supports up to 12 lines, the ability to insert paper signatures for IP phone lines, a full duplex speakerphone. Cisco 6961 model supports call holding on each line, has fixed HOLD, TRANSFER, CONFERENCE keys. Also it has tricolor indicators of line status, functional keys for more convenient use of IP phone features.

Technical Characteristics:

Anti-glare monochrome dispaly with white backlight, with the 396 x 81 pixel resolution 12 line keys with tricolor indication of line status 2 x RJ-45 10/100 BASE-T Codec support: G.711, G.711a, G.729a, G.729b, G.729ab and iLBC Possibility of connecting VT Camera and Cisco Unified Video Advantage software (has to be purchased separately) for making phone calls from PC. Power supply voltage 48 V DC, supplied via optional power supply block CP-PWR-CUBE-3 “Deep Sleep” energy saving mode, reducing the energy consumption by 50% during of work hours. IEEE 802.3af PoE (class 2)

Providers in database: 6433

Echo cancellation module VPMADT032

VPMADT032 echo cancellation module is meant to be used with the Digium IP telephony boards; it provides echo cancellation for configurable long "tail" of up to 128 ms (1024 samples) simultaneously for all ports of the board. All IP-PBX Asterisk servers, connected to the telephone network (PSTN) have one common problem, which is "hybrid echo" - echo obtained due to the difference in the load-wire and four-wire telephone circuits. Echo appears as a distorted reflection and a detainee of the caller's voice, who is subscribed to IP-PBX Asterisk while talking to PSTN subscribers.

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