What is Ombutel?

Ombutel is free phone system based on the solid Linux and Asterisk platforms, offering whole new level of user experience with offers fully-responsive user interface that looks great, and is easy to use, on any screen size.  Ombutel utilizes the latest technologies in Linux and Asterisk to provide a highly secure system on all levels.


Ombutel is built to be easy to use with tooltips across the system and a coherent user interface throughout.


Tabs allow for easy access.  If you need to check anything while configuring another, it is as fast as opening another tab.

Ombutel Search

Asterisk PBX management has never been simpler.  With Ombutel’s cross system search you can quickly find any entity or feature within the system.  Who needs menus?

Ombutel Lists and Filters

As the PBX gets bigger you want an easy way to filter through lists.  Ombutel offers a modern, easy to use list view with filters to get exactly what you need fast.

Ombutel Security

In today’s cyber environment anyone running a telephony system should be aware of security hazards and avoid them.  Ombutel PBX offers various levels of protection against cyber threats in the VoIP world.

Ombutel System Management Tools

Ombutel lets you access log files, run Asterisk CLI commands, get system information such as uptime, services and more, all right from the GUI.

Ombutel Feature List

Among the many features of Ombutel one may find all basic call features such as:

Call Features

3-way conference
Auto-Redial / Camp on
Boss/Secretary + Whitelist
Call back
Call forward (busy, no answer, unconditional)
Call parking
Call pickup
Pickup groups
Call Transfer (blind, attended)
DISA (Direct Inward System Access)
DND (Do Not Disturb)
Find me / Follow me
Caller ID
Customization (incoming/outgoing)
On Call Waiting
CDR (Call Details Record)
Direct Inward Dial Numbers (DIDs)
Inbound/Outbound fax support
Message Waiting Indicator (MWI)
Paging & Intercom
Speed Dial
Video calls
Voicemail broadcast
Wake-up Calls / Reminders
Personal recording / notes
Direct trunk to trunk connection


Backup & Restore
CLI Access (via GUI)
IP phone provisioning
Email notifications
Extensions status management
Feature codes management
Global search
Import & Export extensions
Language support
Log file viewer
Music on hold
Network settings tool
Night modes
PBX status reports
Pre-defined user roles
Remote administration
Storage monitoring
Time Conditions
User-friendly Web interface
User PIN code
VMware compatible
Hyper-V compatible

Call Center

Agent logn in/log out
Call monitoring
Call queues
Call recording
Caller Name Lookup
CDR (Call Details Record)
Conferencing (on-the-fly)
Customer account codes
Hunting groups
IVR / Auto-attendants
Listen to agent
Pick-up groups
Queue priorities
Queue VIP list
Ring group strategies
Time-based routing
Whisper to agent


Authorization codes
Built-in firewall
Call encryption (SIP TLS, sRTP)
Intrusion detection and blocking
Limiting or blocking of outbound calls
Password strength indicator
PIN-protected outbound calls
User permission management
Secure password auto-generation
Time based restrictions
Weak password report

Unified Communications

Audio conferencing
Call recordings access
One number reach
Multiple devices per user
Personal call log
Personal extension settings
Personal IVR
Voicemail to e-mail
Visual voicemail
User portal: access to voicemail, and recordings


Advanced dialing rules
Built-in expansion options:
voicemail boxes
hunt groups
call center groups
auto attendants (IVRs)
Cell phone integration
Class of service
DUNDI (Peer Lookup)
Least Cost Routing
PSTN or Digital Failover
Remote extensions
Voice conference bridges

Telephony Interfaces Support

SIP phones & devices
Soft phones, smartphones, tablets
TDM/SIP/IAX trunks
TDM-VoIP gateway

Video Tutorials

Ombutel Manual

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