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Callia UC

Callia UC solutions integrate different communication

technologies and provide significant savings.

Callia UC product line consists of several products made to extend your business communications. Modular architecture supports feature modules that can be added or removed depending on your requirements.

All products support connections to 3rd party business applications for administration and provisioning functions.

Unified communications:

  • Fixed phone lines
  • Mobile phone lines
  • VoIP telephony
  • Conferencing
  • Fax

Advanced business PBX solution

The Callia UC solution can be used as an advanced PBX with standard phone features such as call forwarding, auto attendants, ring or hunt groups, or for a combination of fixed, mobile and VoIP telephony that enables significant cost reductions.

Fixed, mobile and IP telephony

The combination of fixed, mobile and VoIP telephony enables great savings and a rapid return of investment. Callia UC solutions can be connected to the existing telephone system to reduce telecommunication costs and add new features to an existing PBX.

Advanced features for business communication

Along with standard PBX features, Callia UC solution supports advanced features like conference calls, call recording and billing, integrated phone book with speed dial feature, integration of fax messages and call center functions.

Open platform designed for integration

The Callia UC solutions are based on an open platform and support standard SIP devices such as fixed and DECT phones, PC and mobile applications and many types of VoIP gateways. Open platform allows connections with business systems to automate call control, CRM integration and others.

Free calls between:

  • Remote locations
  • Office and field workers
  • Office and teleworkers

Callia UC solutions support all types of telecommunication technologies, from analog, IP, ISDN, PRI and mobile telephone lines.

Callia UC solutions support load balancing and failover functions for high availability systems, communication with remote locations and failover trunking. This approach allows you to connect remote sites into a single system that supports free calling between all locations and field employees.

By using standard SIP protocol your Callia UC solution is always compatible with a wide range of telecommunication equipment, and is not locked down to just one manufacturer.

Regardless of whether you need a solution for a small or medium-sized company or a hosted solution for a telecommunications operator, Callia UC can be customized and scaled to your needs.

The user portal allows you to change call features and update the phonebook and short numbers for quick dialing.

Support for multiple telecommunications operators offers better connectivity and savings, and increases availability. Premium support and upgrades guarantee a secure investment.

Advanced features:

  • Billing
  • Control of expenses
  • Hotel modul
  • Time based routing
  • Phonebooks
  • Call recording

Advanced PBX

Callia advanced PBX features offer functions needed to reduce call costs. Call forwarding feature works with time conditions and other parameters of the call like caller network and status. Welcome messages and music on hold sounds can be adjusted and changed. Advanced supported features include conference calls, call recording, fax to e-mail, calling over on your computer ... Callia solutions support remote office locations and virtually erases the cost of calling between office branches.

Our solution uses standard SIP communication protocol that allows you to use a wide range of telecommunications equipment from well known manufacturers and protects the long-term investment. Support for IP and analog phones reduces system cost and simplifies the transition to the new system.

Additional module of a legacy PBX

Callia solution can function as an additional module of your existing PBX system. In this case it provides all the benefits of standard implementation with certain restrictions. It allows significant savings in telecommunications costs with a gradual transition to the new system.

In this case, your existing phone system works like before but Callia appliance routes all outgoing and incoming calls and redirects them to the desired destination.

Call center

Call center functionality is supported by additional modules. Call Center module supports monitoring of agents, smart dialer, advanced statistics, campaigns, surveys and advanced call manipulation for incoming and outgoing calls. More information on Call Center features can be found on the call center page.


Billing features are most commonly used by hotels and telecommunications operators. Callia billing solution supports the following features:

  • Prepaid and postpaid billing
  • Different billing intervals (by call, second, minute, user defined)
  • Billing of incoming and outgoing calls
  • Free minutes or number of calls
  • Custom billing features

Centrex - hosted solution

Hosted or Centrex solution is commonly used by telecommunication and VoIP operators. This version supports the use of several levels of administration and separate billing and call routing for every user or company.

The Centrex version of Callia solutions supports advanced features such as white-labeling, reselling, advanced numeration management and others. More information about Centrex solutions can be found on the callia centrex page.


Co lines (telco)

Phones and devices

Analog FXO
Digital ISDN BRI
Digital PRI
GSM mobile networks

IP SIP phones
Analog phones
IP GSM modules
IP conference phones
IP intercoms

Number of users and devices

Callia UC
Callia SP
Callia Centrex

depending on user requirements (scalable solution)

Main call features

Conference calls
Auto attendant
Interactive Voice Response (IVR)
Call recording
Call forwarding
Voicemail to e-mail integration
Fax integration
Calling trough PC phonebooks
Ring groups
Call park and call pickup
Mobile extensions
Time conditions
Call waiting
Phone administration
Personal and global phonebook
Short numbers
CallerID selection
Day and night mode


Additional features

Connectivity to 3rd party solutions
Support for remote offices
Integration of fixed, mobile and IP lines
Call center module
Hotel module
Billing module
Centrex (hosted solution) module


Technical specifications

Energy consumption
Form factor

50W or more
Tower or 19″ rack