IP-PBX is the newest achievement in technology of voice communication providing. It is intended for telephone connection providing for companies of several people to several thousand people.
IP-PBX allows economizing money of the company and reducing connection charges. When using IP-PBX, company internal calls are made without using PTN channels and are free; connection establishing time is less than a second. Cost of one subscriber is generally determined by the cost of end equipment. Easy scaling is an important feature. That is, if you use a solution for 10 people, you can use the same solution for 1000 people without change of equipment. Just buy additional IP phones or IP gateways.

Each company may program IP-PBX for its needs, using friendly WEB interface. It is possible to distribute the rights among employees to enter city, national and international network. It is possible to set up voice menu and get fax messages on e-mail.

Large corporate telephone networks for government and financial institutions, transport control systems, medical institutions etc. are built based on IP-PBX.

Features:

1. Commutation of subscribers within office telephone network.
2. Reception of city calls and forwarding them to specified internal subscribers
3. Possibility for subscribers to mare calls on external networks including public network.
4. Busy or no-answer call transfer.
5. Forwarding of received call to another subscriber.
6. Call interception.
7. Conference.
8. Interactive Voice Response.
9. Group call (call comes to several subscribers simultaneously).
10. Differentiation of user access rights on city, national, international calls.
11. Maintenance of calls history.
12. Support of G.711,G.729,iLBC/20,iLBC/30 codecs.
13. SIP-registration: static, dynamic.
14. Schedule, calls distribution according to the schedule.
15. Billing.