Cisco 6901 Unified IP Phone
Cisco 6901 IP phone model is used for creating inexpensive communication networks in places like elevators, hotel or restaurant corridors etc (UC Phone 6901, Standard handset).
Main feature of Cisco 6901 IP phone is that it can accept up to two simultaneous calls in a call waiting mode. Fixed keys ensure a quick access to the hold, redial and call waiting features. Also one of the main characteristics is the low power consumption and possibility of mounting it on the wall.
Technical Characteristics:
Specially Assigned keys for holding, transferring and conference calls
1 x RJ-45 10/100 Ethernet port
IEEE 802.3af PoE
Maximum consumed power is 2,77 V DC
Power supply with the help of power supply block CP-PWR-CUBE-3 or CP-PWR-INJ power injector
Codec support: G.711a, G.711, G.729a, G.729b и G.729ab
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.
Telekomunikaciju Grupa
SIA "Telekomunikaciju Grupa" is an operator of international long distance calls providing its services in Latvia and Lithuania since 1999. Managers and employees of companies across all sectors of the economy favor TG`s low rates, quality connection and
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