Grandstream GXP2124

GXP2124 is an enterprise class IP-phone, which is equipped with 240x120 graphic LCD display with a backlight, 4 line keys supporting up to 4 SIP accounts, four special programmable context-sensitive (in the language XML) buttons, 24 +4 programmable XML-speed dial buttons, dual network ports with integrated PoE, five-party conferencing and Electronic Hook-Switch (EHS).

GXP2124 offers superior audio quality of high definition, has a rich set of advanced telephony features, personalized information and customizable application services, automated reservations for easy start-up, uses advanced technology to protect against eavesdropping and is compatible with most SIP devices and leading IP-PBX / Soft Switch / IMS platforms.
It is the ideal solution for enterprise users who require high-quality, multi-channel IP-phone with lots of features and lots of expansion buttons.
Special characteristics: Graphic LCD display with a backlight and 240x120 pixels resolution, supporting up to 8 shades of gray 4 line keys that support up to 4 SIP accounts, four context-sensitive soft (in the language XML) buttons, the output of up to 32 calls with 24 four speed dial buttons / indicators of busy line, equipped with dual- LED color. Broadband High Definition audio, superb duplex unit speakerphone with advanced acoustic echo cancellation system and excellent implementation of simultaneous calls. High-capacity phone book (up to 2,000 contacts) and call history storage (up to 500 entries), support for conferencing up to 5 users. Built-in custom application service (eg, local weather, stock exchange, exchange rates, etc.) 2 x 10/100Mbs ports with integrated PoE. Electronic Hook-Switch (EHS) support Automated provisioning using TR-069 or XML-encoded configuration file, TLS / SRTP / HTTPS for advanced security, 802.1x to control media access.

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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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