Grandstream's IP-PBX product segment consists of the GXE5024 and GXE5028. The GXE502x appliance is a powerful all-in-one voice + video + data communication solution for the small to medium sized business, especially companies with sub-30 seats per location. The GXE502x takes modern business communication systems to a heightened level of innovation, quality, reliability, ease of deployment and affordability.

The GXE5024 has 4 analog FXO ports for connecting telephone lines. Grandstream's other model, the GXE5028 supports 8 analog FXO ports.

Designed from ground up to support distributed IP communications, intelligent unified messaging, advanced application integration and popular PBX features, the GXE502x product family also optimally integrates legacy PSTN trunk and telephone interfaces for fail-safe hybrid communication needs in all circumstances including power or network loss.

Key Features of the Grandstream IP PBX Range

• Integrated high performance data router with advanced voice/video QoS support
• Integrated legacy PSTN trunks, analog phone/FAX ports & unlimited SIP trunk options
• Integrated session border controller (SBC) for NAT/firewall traversal and secure telecommuting
• Integrated conference bridges that allow any combination of IP or PSTN calls using any codecs(built-in transcoding)
• Unified messaging including voicemail-to-email, fax-to-email and video-to-email
• Power and network failure survivability and recovery; Integrated PoE (802.3af)
• Support true & local emergency call routing in all circumstances
• Automated detection and provisioning of IP phones, video phones, ATA and other endpoints for easy deployment
• Rich PBX features such as presence, shared line appearance, call park & pickup, call queue, ACD, intercom & paging, ring group, customizable auto attendant & IVR, personal music-on-hold, branch office system peering
• Hardware accelerated encryption engine to ensure strongest security protection using SRTP and TLS
• Personal Web portal to manage individual phone/call setting, personal greeting, new or saved voice/fax/video messages for each extension user
• Flexible dial plan, call routing and call recording