| Includes SIP proxy/registrar Server |
 |
 |
 |
| 60-Day Free Evaluation Software |
|
 |
|
| Max Users (Available in 20 user increments: ex. 20, 40, 60, ... 2,000) |
20 and up |
20 and up |
10 and up |
| Max Concurrent Sessions |
Max Users/2 |
Max Users |
10 and up |
| Add/Remove Forward Destination |
|
 |
 |
Auto Attendant -Auto Attendant Schedule -Customizable Guidance File -Multiple Auto Attendants |


 |


 |


 |
Automatic Route Selection (ARS) -Call Interval Settings -Customizable (priority, session, destination, callee) Route Selection -DTMF Generation -Template Rules for ITSPs and GWs |



 |



 |



 |
| Automatic Route Selection (ARS) Failover (Call Route Survivability) |
|
 |
 |
Call Forwarding -Busy/No Answer Call Forwarding -Call Forwarding Schedule -Unconditional Call Forwarding |


 |


 |


 |
| Call Hold |
 |
 |
 |
| Call Hunting |
 |
 |
 |
| Call Log |
 |
 |
 |
Call Transfer -Attended Transfer -Blind Transfer -Intercom Transfer -Transfer to Voicemail |



 |



 |



 |
Call Monitoring -Automatic Monitoring -Supervising Mode -Silent Monitoring -Tutor Mode |
|



 |



 |
| Call Park |
 |
 |
 |
Call Pick Up -Call Pick Up -Call Pick Up Group |

 |

 |

 |
| Call Queue |
|
 |
 |
| Call Recording |
|
 |
 |
| Call Schedule |
 |
 |
 |
Codec Support -G.711 u-Law, A-Law -iLBC -G.729 Standard, Annex A |

 Optional |

 Optional |

 Optional |
Conference (Multi-Way Calling) -Convene Conference -Invite Attendee -Multiple Conference Rooms -Scheduled/Instant Conference |



 |



 |



 |
| Confirm Call |
 |
 |
 |
| Direct Inward Dialing (DID) |
 |
 |
 |
| Forwarding Patterns |
|
 |
 |
| Intercom (2-way) |
 |
 |
 |
| Max Session Setting |
 |
 |
 |
| Message Waiting Indication (MWI) |
 |
 |
 |
Music-On-Hold -System Default Music-on-Hold -Personalized Music-on-Hold |

 |

 |

 |
| Near-End and Far-End NAT traversal |
 |
 |
 |
| Paging (1-way: Unicast & Multicast) |
 |
 |
 |
| Public Announce (Broadcasting) |
 |
 |
 |
| Realtime Call Status View |
 |
 |
 |
| Redundancy/Survivability |
|
|
 |
| Restore and Backup |
 |
 |
 |
| Ring Groups (Simultaneous Ringing) |
 |
 |
 |
| Ringer Time Settings |
 |
 |
 |
| Transmission Control Protocol (TCP) Support |
 |
 |
 |
Voicemail -Default Greetings -Customizable Greetings -Name Recording -Email Notification -Voicemail Forwarding -Voicemail Forwarding to Email -Recording Comments to Messages |






 |






 |






 |
Web Service -User Edit -Click-to-Call |

 |

 |

 |
Plug-in -Automatic Route Selection (ARS) Search Plug-in -Call Log Plug-in -Recorded Audio Files Plug-in |


 |


 |


 |