IP PBX advantages besides the VoIP for cost saving, the user can use IP PBX get some use traditional PBX systems of additional functions, PBX systems support caller id, three-way calling and call forwarding, voice mail, telephone users take for granted, and other enterprises similar functionality, IP PBX technology are discussed and growing in popularity, can provide enterprises with real cost savings, more easy to install (making purchase expenses also cheaper), do not rely on traditional PBX phone equipment, better use of monitoring and tracking, and lower call charges,
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