Compare XBLUE Systems
X16 System
Up to 16 Phones and
6 Outside Lines
Our Most Popular
Small Business Phone System
Cloud Burst
Up to 25 Phones with
No Busy Guarantee
Advanced, Full Featured Cloud-Based Phone System
X25 IP System
Up to 25 Phones and
16 Outside Lines
Easy VoIP Setup on Your Office
Data Networks
X50 IP System
Up to 50 Phones and
18 Outside Lines
All the Features of the X25 with
Larger System Capacity
QB IP Systems
Configurations from 4 to over 300 Phones
Advanced, Full Featured IP Communications Platform
Detailed Side by Side Comparison
| System Capacities & Specifications | X16 | Cloud Burst | X25 | X50 | QB |
| Technology (VoIP is SIP V2) | Digital | VoIP | VoIP | VoIP | VoIP |
| Internet Required for External Voice Telephone Calls | No | Yes | No | No | No |
| Standard Analog Telephone Line Compatible | Yes | No | Yes | Yes | Yes |
| Maximum Capacity Phones / Extensions | 16 | 25 | 25 | 50* | 500* |
| Maximum Capacity Telephone Lines | 6* | N/A | 16* | 18* | 124* |
| Total Standard Analog Telephone Lines (POTS) | 6* | None | 8* | 6 | 24* |
| Total Cloud VoIP Telephone Lines / Channels | 6* | 25 | 8 | 12* | 100* |
| Maximum XBLUE Phone Extensions | 16 | 25 | 24 | 49* | 500* |
| Max. Analog Phones – Cordless, Conference, FAX, Etc. | 4* | None | 1* | 1* | 24* |
| Cordless VoIP / SIP Phone Compatible | No | Yes | Yes | Yes | Yes |
| Flexible Extension Numbers | Fixed | 2 to 7 Digits | 2 to 4 Digits | 2 to 4 Digits | 2 to 7 Digits |
| Music On Hold – Built-In Default | Yes | Yes | Yes | Yes | Yes |
| Music / Annoucments On Hold – File Upload | No | Yes | Yes | Yes | Yes |
| Music / Annoucments On – Player Interface | Yes* | No | No | No | No |
| External Paging System Support | Yes | Yes* | Yes | Yes | Yes |
| Phone / Extension Features | X16 | Cloud Burst | X25 | X50 | QB Custom |
| Integrated System Phone Models | X16 Dgital | IP7g | X3030 / X4040 | X3030 / X4040 | IP7g |
| User Programmable Buttons | 12 | 30 – 6 per page | 11 / 16 | 11 / 16 | 30 – 6 per page |
| Back-lit Display / LCD | Yes | Yes | Yes | Yes | Yes |
| Built-In Headset Jack | 3.5 mm | RJ-9 | RJ-9 | RJ-9 | RJ-9 |
| Electronic Headset Control | No | Yes | No | No | Yes |
| Wall Mountable | Yes | Yes | X3030 Only | X3030 Only | Yes |
| Remote System Phones / Extension (Fully Functional) | No | Yes | Yes | Yes | Yes |
| Mobile / Remote Extension Integration | No | Yes | No | No | Yes |
| User Features | X16 | Cloud Burst | X25 | X50 | QB Custom |
| Call Forward to Remote Numbers (Cell, Home Etc.) | Yes | Yes | Yes | Yes | Yes |
| Call Transfer to Remote Numbers (Cell, Home Etc.) | No | Yes | Yes | Yes | Yes |
| Paging – Internal Groups | All Call Only | 9 | 3 & All Call | 3 & All Call | Up to 59 |
| Paging – Group Members | 16 | 9 | 24 | 49 | Up to 59 |
| Paging – External* (Uses Line or Extension Port) | Line | Both | Both | Both | Both |
| Call Announce w/ Hands Free Reply | Yes | Yes | Yes | Yes | Yes |
| Telephone Programming (Menu Driven) | Yes | Yes | Yes | Yes | Yes |
| Call Park Locations | 0 | 100 | 4 | 4 | 100 |
| Telephone Line Appearance | Yes | No | Yes | Yes | No |
| Speed Dial Capacity (Dial Codes) | 12 Per Phone | 512 Per System | 100 Per System | 100 Per Phone | 512 Per System |
| Phone Book Capacity (Name / Number Look Up) | 50 Per Phone | 500 Per Phone (IP7g) | 100 Per Phone | 100 Per Phone | 500 Per IP7g Phone |
| LDAP Server Contacts | NA | 1000 Per Phone (IP7g) | NA | NA | 1000 Per IP7g Phone |
| Call Forward | Yes | Yes | Yes | Yes | Yes |
| Call Transfer | Yes | Yes | Yes | Yes | Yes |
| Call Pickup | Yes | Yes | Yes | Yes | Yes |
| Call Record | Per Call | All Calls & Per Call | Per Call | Per Call | All Calls & Per Call |
| Call Record – External Storage | No | Yes | No | No | Yes |
| Direct Inward System Access | No | Yes | Yes | Yes | Yes |
| Private Voicemail Boxes | Yes | Yes | Yes | Yes | Yes |
| Voice Mail Features | X16 | Cloud Burst | X25 | X50 | QB Custom |
| Voicemail Boxes (One per Installed Phone) | Yes | Yes | Yes | Yes | Yes |
| Virtual Voice Mailboxes (No Phone Required) | No | Yes | Yes | Yes | Yes |
| Direct Transfer to Voicemail Boxes | Yes | Yes | Yes | Yes | Yes |
| Caller Exit from Voicemail | No | Yes | Yes | Yes | Yes |
| Voicemail to Email Delivery | No | Yes | Yes | Yes | Yes |
| Voicemail Storage Capacity | 2 Hours / System | 1000 Msgs / Mailbox | 6 to 32 Hrs / System | 6 to 32 Hrs / System | 1000 Msgs / Mailbox |
| Auto Attendant & Automation | X16 | Cloud Burst | X25 | X50 | QB Custom |
| Auto Attendant Menus | 2 | 100 | 10 | 10 | 100 |
| Auto Attendant Greetings (Day, Night, etc.) | 4 | 100 | 5 | 5 | 100 |
| Auto Attendant Extension Dialing | Yes | Yes | Yes | Yes | Yes |
| Auto Attendant Single Digit Dialing | 0 and 7 Only | 0 through 9 | 0 through 9 | 0 through 9 | 0 through 9 |
| Auto Attendant Transfer to Groups | No | Yes | Yes | Yes | Yes |
| Auto Attendant Dial by Name Directory | No | Yes | Yes | Yes | Yes |
| Ring Groups | No | Yes | Yes | Yes | Yes |
| Call Queues | No | 100 | 4 | 4 | 100 |
| Queue Group Cascading | No | Yes | No | No | Yes |
| Queued Place In Line Announcement | No | Yes | No | No | Yes |
| Queued Time to Answer Announcement | No | Yes | No | No | Yes |
| Call From Queue Agent Announcement | No | Yes | No | No | Yes |
| Call Queue Agent Logon / Logoff | No | Yes | Yes | Yes | Yes |
| Per-Queue Announcement to Caller | No | Yes | No | No | Yes |
* Additional Hardware and/or Software required. Contact us if you have questions and for complete details.