Grandstream GXW4024

GXW4024 is a high density VoIP gateway, based on SIP standards and compatible with large number of IP PBX softswitch systems.

This gateway has 24 FXS ports with high quality of voice, rich set of features, flexible dial plan table and advanced security features. GXW4024 is designed for small and medium businesses, allows creating low cost hybrid IP and analog phone systems, for creation of VoIP systems which do not require big investments, while maintaining investment in analog telephones and faxes and traditional PBX.

Its main characteristics are the availability of 24 phone ports with RJ11 connectors and 50-pin TELCO connector. Device allows creating up to 2 SIP profiles per server and independent accounts on each port. GXW4024 supports G.711, G.723, G.726, G.729 A/B/E, iLBC, T.38 FAX voice codec and provides support for G.168 echo cancellation.

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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.

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Impro Labs LLC

Voice Over IP (VOIP) communications have became the major trend in international calling. As the IP communication is done over internet, good internet connectivity with high bandwidth is required to ensure good quality of service. This is where our Optima

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