This current model Cisco IP PBX Phone System is a 100% Cisco hardware solution.
It comes with interfaces necessary to connect to analog landlines, sip trunks, and/or PRI (T1). The color phones are gigabit to the desktop and all the VLANs are programmed for you already, just connect your cat5/6 patch cables and power it up.
The auto-attendant can answer all your calls and transfer them to you or you can use it after hours to automatically route calls when you are not available.
Voicemail to email makes sure you get all your voicemails in .wav files emailed to each user and the system comes with a full VoIP recording server to capture each phone conversations in and out of your IP PBX.
The VoIP-recording server also acts as an IP PBX management station with web guis for network configuration, PBX phone system management, and the auto-attendant / voicemail module.
Thru the GUIs you can change extensions, names, auto-attendant tree options, voicemail pins, IP addresses, and more….
Setup, customize, and manage your IP PBX system yourself or choose to have a Cisco Certified Professional assist you