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3CX Phone System for Windows - an IP Phone System that completely replaces your proprietary PBX, supports standard SIP soft/hard phones, VOIP services and traditional PSTN phone lines. 3CX Phone System is far less expensive than a traditional PBX and can reduce call costs substantially by using a VOIP service provider. Its web-based administration makes phone system management easy. 3CX Phone System eliminates the phone wiring network and allows users to easily work remotely. A complete 3CX solution includes 3CX Software, any upgrade modules you may need like Call Center or Hotel Administration, a Windows Server, gateway functionality to access the PSTN or a hosted VoIP Service Provider, and phones.

The Grandstream GS-PWR-SUPPLY is a replacement 100-240v, 0.5A max power supply that can be used with the Grandstream HT502 ATA (Analog Telephone Adapter).

The Grandstream GS-PWR-SUPPLY is a replacement 100-240v, 0.5A max power supply that can be used with any Grandstream GXV3000 series video phone.

The Grandstream GXP1100 is a single line HD VoIP phone. Featuring four programmable keys and seven dedicated function keys, the GXP1100 is an attractively priced basic VoIP phone.

The Grandstream GXP1105 is a single line PoE HD VoIP phone. An attractively priced basic PoE VoIP phone, the GXP1105 features four programmable keys and seven dedicated function keys.

The Grandstream GXP1200 is a very affordable 2-line entry-level SIP phone that delivers excellent sound quality and advanced feature set.

The Grandstream GXP1400 SIP phone features 2 lines with 1 SIP account, a 128x40 graphical LCD, 3 XML programmable context-sensitive soft keys, dual network ports, and 3-way conference.