... PBX with 4 to 96 analog trunks 120 SIP users, SIP trunks Billing, Recording, Voice mail Tie trunks for ... multiple IPPBXs Embedded IP PBX with 4,8 or 16 FXO ... is an All-in-One converged communication system for small and mid-size offices, home offices and ... built-in IVR, calls records, and downloads for color ring back tones.Model NameAnalog ExtensionsAnalog TrunksSIP ...