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Our Green Initiative
| Features | Asterisk | Asterisk NOW | Trixbox CE | Elastix | Druid OSE |
| Graphical User Interface | No | Yes | Yes | Yes | Yes |
| Streamlined/Uniform Graphical User Interface | No | Yes | No | No | Yes |
| User Unified Communications Interface (Vocemail, Email, Fax, Presence, Preferences | No | No | No | No | Yes |
| LDAP/Active Directory | No | No | No | No | Yes |
| Graphical System Usage & Performance Analytics | No | - | - | - | No |
| Single-Sign-On (Admin & User Interfaces) | No | No | No $ | No | Yes |
| Endpoint Auto- Detection/Provisioning: | No | No | No | No | Yes |
| - TFTP | No | Yes | Yes | Yes | Yes |
| - FTP | No | Yes | Yes | Yes | Yes |
| Networking: | |||||
| - DHCP | No | Yes | Yes | Yes | Yes |
| - CDP (Cisco Discovery Protocol) | No | No | No | No | Yes |
| - MDNS (Multicast DNS) | No | No | No | No | Yes |
| - RIP (Routing Information Protocol) | No | No | No | No | Yes |
| - NTP (Network Time Protocol) | No | Yes | Yes | Yes | Yes |
| - VLAN (Virtual LAN) | No | No | No | No | Yes |
| - NAT Management GUI | No | No | No | No | Yes |
| - SSL Management GUI | No | No | No | No | Yes |
| Web Fax | No | No | No | No | Yes |
| Shared Line Appearances | No | No | No | No | Yes |
| Auto-Configuration of Telephony Hardware | No | No | No | No | Yes |
| IMAP Server | No | No | No | No | Yes |
| Presence/XMPP/Jabber Server | No | No | No | No | Yes |
| Dashboard | No | No | Yes | Yes | Yes |
| Switchboard | No | No | Yes | Yes | Yes |
| Desktop Manager Application | No | No | Yes | No | No |
| Backup & Restore | No | Yes | Yes | Yes | Yes |
| Dialplan Graphical User Interface | No | No | No | No | Yes |
| Integrated Command Line Interface | No | No | No | No | Yes |
| Custom Routing | Yes | Yes | Yes | Yes | Yes |
| ADSI On-Screen Menu System | Yes | Yes | Yes | Yes | Yes |
| Alarm Receiver | Yes | Yes | Yes | Yes | Yes |
| Append Message | Yes | Yes | Yes | Yes | Yes |
| Authentication | Yes | Yes | Yes | Yes | Yes |
| Automated Attendant | Yes | Yes | Yes | Yes | Yes |
| Blacklists | Yes | Yes | Yes | Yes | Yes |
| Blind Transfer | Yes | Yes | Yes | Yes | Yes |
| Call Detail Records | Yes | Yes | Yes | Yes | Yes |
| Call Forward on Busy | Yes | Yes | Yes | Yes | Yes |
| Call Forward on No Answer | Yes | Yes | Yes | Yes | Yes |
| Call Forward Variable | Yes | Yes | Yes | Yes | Yes |
| Call Monitoring | Yes | Yes | Yes | Yes | Yes |
| Call Parking | Yes | Yes | Yes | Yes | Yes |
| Call Queuing | Yes | Yes | Yes | Yes | Yes |
| Call Recording | Yes | Yes | Yes | Yes | Yes |
| Call Retrieval | Yes | Yes | Yes | Yes | Yes |
| Call Routing (DID & ANI) | Yes | Yes | Yes | Yes | Yes |
| Call Snooping | Yes | Yes | Yes | Yes | Yes |
| Call Transfer | Yes | Yes | Yes | Yes | Yes |
| Call Waiting | Yes | Yes | Yes | Yes | Yes |
| Caller ID | Yes | Yes | Yes | Yes | Yes |
| Caller ID Blocking | Yes | Yes | Yes | Yes | Yes |
| Caller ID on Call Waiting | Yes | Yes | Yes | Yes | Yes |
| Calling Cards | Yes | No | Yes | Yes | No |
| Conference Bridging | Yes | Yes | Yes | Yes | Yes |
| Database Store / Retrieve | Yes | Yes | Yes | Yes | Yes |
| Database Integration | Yes | Yes | Yes | Yes | Yes |
| Dial by Name | Yes | Yes | Yes | Yes | Yes |
| Direct Inward System Access | Yes | Yes | Yes | Yes | Yes |
| Distinctive Ring | Yes | Yes | Yes | Yes | Yes |
| Distributed Universal Number Discovery (DUNDi™) | Yes | Yes | Yes | Yes | Yes |
| Do Not Disturb | Yes | Yes | Yes | Yes | Yes |
| E911 | Yes | - | - | - | - |
| ENUM | Yes | - | - | - | - |
| Fax Transmit and Receive (3rd Party OSS Package) | Yes | - | - | - | - |
| Flexible Extension Logic | Yes | - | - | - | - |
| Interactive Directory Listing | Yes | - | - | - | - |
| Interactive Voice Response (IVR) | Yes | Yes | Yes | Yes | Yes |
| Local and Remote Call Agents | Yes | - | - | - | - |
| Macros | Yes | - | - | - | - |
| Music On Hold | Yes | Yes | Yes | Yes | Yes |
| Music On Transfer: | |||||
| - Flexible Mp3-based System | Yes | Yes | Yes | Yes | Yes |
| - Random or Linear Play | Yes | Yes | Yes | Yes | Yes |
| - Volume Control | Yes | Yes | Yes | Yes | Yes |
| Predictive Dialer | Yes | Yes | Yes | Yes | Yes |
| Privacy | Yes | Yes | Yes | Yes | Yes |
| Open Settlement Protocol (OSP) | Yes | Yes | Yes | Yes | Yes |
| Overhead Paging | Yes | Yes | Yes | Yes | Yes |
| Protocol Conversion | Yes | Yes | Yes | Yes | Yes |
| Remote Call Pickup | Yes | Yes | Yes | Yes | Yes |
| Remote Office Support | Yes | Yes | Yes | Yes | Yes |
| Roaming Extensions | Yes | Yes | Yes | Yes | Yes |
| Route by Caller ID | Yes | Yes | Yes | Yes | Yes |
| SMS Messaging | Yes | Yes | Yes | Yes | Yes |
| Spell / Say | Yes | Yes | Yes | Yes | Yes |
| Streaming Media Access | Yes | Yes | Yes | Yes | Yes |
| Supervised Transfer | Yes | Yes | Yes | Yes | Yes |
| Talk Detection | Yes | Yes | Yes | Yes | Yes |
| Text-to-Speech (via Festival) | Yes | Yes | Yes | Yes | Yes |
| Three-way Calling | Yes | Yes | Yes | Yes | Yes |
| Time and Date | Yes | Yes | Yes | Yes | Yes |
| Transcoding | Yes | Yes | Yes | Yes | Yes |
| Trunking | Yes | Yes | Yes | Yes | Yes |
| VoIP Gateways | Yes | Yes | Yes | Yes | Yes |
| Voicemail | |||||
| - Visual Indicator for Message Waiting | Yes | Yes | Yes | Yes | Yes |
| - Stutter Dialtone for Message Waiting | Yes | Yes | Yes | Yes | Yes |
| - Voicemail to email | Yes | Yes | Yes | Yes | Yes |
| - Voicemail Groups | Yes | Yes | Yes | Yes | Yes |
| - Web Voicemail Interface | No | Yes | Yes | No | Yes |
| Zapateller | Yes | Yes | Yes | Yes | Yes |
| Computer-Telephony Integration | Yes | Yes | Yes | Yes | Yes |
| AGI (Asterisk Gateway Interface) | Yes | - | - | - | - |
| Graphical Call Manager | No | - | - | - | - |
| Outbound Call Spooling | Yes | - | - | - | - |
| TDMoE (Time Division Multiplex over Ethernet) | Yes | - | - | - | - |
| Allows direct connection of Asterisk PBX | Yes | - | - | - | - |
| Zero latency | Yes | - | - | - | - |
| Uses commodity Ethernet hardware | Yes | Yes | Yes | Yes | Yes |
| Voice-over IP | Yes | Yes | Yes | Yes | Yes |
| Allows for integration of physically separate installations | Yes | Yes | Yes | Yes | Yes |
| Codecs | |||||
| ADPCM | Yes | Yes | Yes | Yes | Yes |
| G.711 (A-Law & µ-Law) | Yes | Yes | Yes | Yes | Yes |
| G.722 | Yes | Yes | Yes | Yes | Yes |
| G.723.1 (pass through) | Yes | Yes | Yes | Yes | Yes |
| G.726 | Yes | Yes | Yes | Yes | Yes |
| G.729 (through purchase of a commercial license) | Yes | Yes | Yes | Yes | Yes |
| GSM | Yes | Yes | Yes | Yes | Yes |
| iLBC | Yes | Yes | Yes | Yes | Yes |
| Linear | Yes | Yes | Yes | Yes | Yes |
| LPC-10 | Yes | Yes | Yes | Yes | Yes |
| Speex | Yes | Yes | Yes | Yes | Yes |
| VoIP Protocols: | |||||
| IAX™ (Inter-Asterisk Exchange) | Yes | Yes | Yes | Yes | Yes |
| H.323 | Yes | Yes | Yes | Yes | Yes |
| SIP (Session Initiation Protocol) | Yes | Yes | Yes | Yes | Yes |
| MGCP , Media Gateway Control Protocol | Yes | Yes | Yes | Yes | Yes |
| SCCP (Cisco® Skinny®) | Yes | Yes | Yes | Yes | Yes |
| PSTN Interoperability: | |||||
| E&M | Yes | Yes | Yes | Yes | Yes |
| E&M Wink | Yes | Yes | Yes | Yes | Yes |
| Feature Group D | Yes | Yes | Yes | Yes | Yes |
| FXS | Yes | Yes | Yes | Yes | Yes |
| FXO | Yes | Yes | Yes | Yes | Yes |
| GR-303 | Yes | Yes | Yes | Yes | Yes |
| Loopstart | Yes | Yes | Yes | Yes | Yes |
| Groundstart | Yes | Yes | Yes | Yes | Yes |
| Kewlstart | Yes | Yes | Yes | Yes | Yes |
| MF and DTMF support | Yes | Yes | Yes | Yes | Yes |
| Robbed-bit Signaling (RBS) Types | Yes | Yes | Yes | Yes | Yes |
| MFC-R2 (Not supported. However, a patch is available) | Yes | Yes | Yes | Yes | Yes |
| PRI Protocols: | |||||
| 4ESS | Yes | Yes | Yes | Yes | Yes |
| BRI (ISDN4Linux) | Yes | Yes | Yes | Yes | Yes |
| DMS100 | Yes | Yes | Yes | Yes | Yes |
| EuroISDN | Yes | Yes | Yes | Yes | Yes |
| Lucent 5E | Yes | Yes | Yes | Yes | Yes |
| National ISDN2 | Yes | Yes | Yes | Yes | Yes |
| NFAS. | Yes | Yes | Yes | Yes | Yes |
| PRI Protocols: | |||||
| TDMoE (Time Division Multiplex over Ethernet) | Yes | Yes | Yes | Yes | Yes |
| Allows direct connection of Asterisk PBX | Yes | Yes | Yes | Yes | Yes |
| Zero latency | Yes | Yes | Yes | Yes | Yes |
| Uses commodity Ethernet hardware | Yes | Yes | Yes | Yes | Yes |
| Voice-over IP | Yes | Yes | Yes | Yes | Yes |
| Allows for integration of physically separate installations | Yes | Yes | Yes | Yes | Yes |
| Uses commonly deployed data connections | Yes | Yes | Yes | Yes | Yes |
| Allows a unified dialplan across multiple offices | Yes | Yes | Yes | Yes | Yes |
| Computer-Telephony Integration: | |||||
| AGI (Asterisk Gateway Interface) | Yes | Yes | Yes | Yes | Yes |
| Graphical Call Manager | Yes | Yes | Yes | Yes | Yes |
| Outbound Call Spooling | Yes | Yes | Yes | Yes | Yes |
| Predictive Dialer | Yes | Yes | Yes | Yes | Yes |
| TCP/IP Management Interface | Yes | Yes | Yes | Yes | Yes |
| Maximum Endpoint Count (based on same hardware) | - | - | - | - | - |
| Maximum Concurrent Calls (based on same hardware and G.711 codec) | - | - | - | - | - |
| VoIP (SIP/IAX) < > | - | - | - | - | - |
| VoIP (SIP/IAX) | - | - | - | - | - |
| VoIP (SIP/IAX) < > PSTN | - | - | - | - | - |
| % Enterprise Readiness (based on enterprise features and functionalities for ease of large deployments, streamlined admin and user UI as well as UI functionality, and value-added features). | 90 | 60 | 50 | 55 | 90 |
Architecture: Asterisk Appliance
elephony: SIP/IAX/PSTN
RAM: Up to 4GB
Storage: Up to 1TB Standard
PSTN: Up to 8 FXOs or Up to 2 T1/E1
Concurrent Calls: Up to 100
Standard Starting at $300.00
Solid State Starting at $1,500.00
