Grandstream GXE-5024 IP PBX - 4 Port

- Designed from ground up to support distributed IP communications, intelligent unified messaging, advanced application integration and popular PBX features- Optimal integration of legacy PSTN trunk and telephone interfaces for fail-safe hybrid communication needs in all circumstances including power or network loss- Flexibility, functionality and affordability all-in-one IP PBX device- 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)- 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, 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 TLS- Personal Web portal to manage individual phone/call setting, personal greeting, new or saved voice/fax/video messages for each extension user