| Feature comparison | |||
| Features |  vOffice Pro |
 vCallCenter |
 vCloud Platform |
| Recommended Hardware | Dell compatible PC | Dell servers | Dell blade servers |
| Platform Requirements | Linux, Apache, Mysql, and PHP | Linux, Apache, Mysql, and PHP | Linux, Apache, Mysql, PHP and Java |
| Recommended Applications | Office phone system with < 500 employees | Call centers with < 500 seats | Service providers |
| Protocols | SIP, PSTN PRI | SIP, PSTN PRI | SIP, PSTN PRI, SS7 |
| Business Telephony (IP-PBX features) | √ (included) |
√ (included) |
√ (included) |
| Web based super user graphic interface | √ |
√ |
√ |
| Web based PBX administrator interface | √ |
√ |
√ |
| Web based end user portal | √ |
√ |
√ |
| Call flow editor and generator | √ |
√ |
√ |
| CDR analysis and report utilities | √ |
√ |
√ |
| VOIP trunking (SIP origination/termination) | √ |
√ |
√ |
| ISDN connectivity (T1, E1, BRI) | √ |
√ |
√ |
| Analog connectivity (FXS and/or FXO) | √ |
√ |
√ |
| Voicemail to email and online retrieving | √ |
√ |
√ |
| Conference and Web admin portal | √ |
√ |
√ |
| Multiple languages (English, Chinese etc) | √ |
√ |
√ |
| DID (phone number) management | √ |
√ |
√ |
| Graphic IVR menu editor for PBX admin | √ |
√ |
√ |
| Call routing based on date & time (holidays and working hours) |
√ |
√ |
√ |
| Conference Bridge | √ (optional) |
√ (optional) |
√ (optional) |
| Fax to email and online retrieval | √ (optional) |
√ (optional) |
√ (optional) |
| Operator console， live monitoring, spying | √ (optional) |
√ (optional) |
√ (optional) |
| CRM integration | − |
√ (optional) |
√ (optional) |
| Advanced queuing and recording | − |
√ |
√ |
| Agent / Queue statistic and reports | − |
√ |
√ |
| Multiple Hosted Virtual PBXes: (IP Centrex for multiple businesses) |
− |
√ (optional) |
√ |
| Advanced contact center with reports | − |
√ (optional) |
√ (optional) |
| Multi-tenant contact centers | − |
− |
√ (optional) |
| VidaTone/VidaTeam Services | − |
√ (optional) |
√ (optional) |
| High Availability (redundancy) | √ (optional) |
√ (optional) |
√ (optional) |
| Pro-active monitoring & Backup | √ |
√ |
√ |
| Billing system : Post-pay, pre-pay, monthly flat rate with bucket minutes |
− |
− |
√ |
| Multiple billing plans | − |
− |
√ |
| Corporate billing (account bundling) | − |
− |
√ |
| Calling Card application | − |
− |
√ (optional) |
| Reseller billing | − |
− |
√ (optional) |
| Online payments and statements | − |
− |
√ |
| Online payments | − |
− |
√ (optional) |
| Installation Support | √ |
√ |
√ |
| Customization Project Management | √ (optional) |
√ (optional) |
√ (optional) |
| Hosted in the Cloud(SAAS) | Inter-connect with vCloud |
Inter-connect with vCloud |
√ |