Cisco 6921 Unified IP Phone

Cisco 6921 is inexpensive business class IP phone model supporting video connection (Cisco UC Phone 6921, Standard Handset).
Cisco 6921 IP phone supports up to 2 lines has full-duplex loudspeaker, supports call holding on each line, hold, transfer, conference keys, tricolor indication of line condition, functional keys for simplified use of IP phone functions.

Additionally CP-6921 model has energy saving mode (deep sleep), reducing the energy consumption by 50% during of work hours.
Technical Characteristics:
Monochrome graphical 396 x 81 pixel LCD display, with white backlight and anti-reflection cover is optimized to work under different lighting conditions. 2 line keys with tricolor backlight for quick identification of call status 2 Ethernet 10/100BASE-T ports “Deep Sleep” energy saving mode, reducing the energy consumption by 50% during of work hours. VT Camera and Cisco Unified Video Advantage software (has to be purchased separately) for making the phone calls with using PC. Codec Support: G.711a, G.711, G.729a, G.729b and audio compression codec G.729ab Power voltage of 48 V DC, supplied with the assistance of option power block CP-PWR-CUBE-3 or power injector CP-PWR-INJ

Providers in database: 6433

MGCP Follows Master-Slave Protocol Model

A Media Gateway Control Protocol (MGCP) is a Voice over Internet Protocol system used to handle the exchange of information and the management of a multimedia conference session. The exchange of information, known as signaling, is responsible for connecting, controlling and terminating sessions. Therefore, an MGCP protocol is used to set up, maintain and end calls between multiple points.

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VASC Software and Media Company Headquarter

VASC is a child company under VNPT (Vietnam Post and Telecommunications Corp)- the biggest state-owned corporation in Vietnam. Besides doing VAS for mobile, content and data service, software, IPTV….. VASC is also offering Vietnam termination for VoIP s