A broad range of interface cards allows the use of traditional analogue and digital terminals, as well as connection to public networks via analogue or ISDN trunk lines.
All Aastra 400 communication server open the full performance spectrum of modern business communication: call diversion, team switching, user groups and manager/secretary functions facilitate team work. Practical additional functions like Least Cost Routing (LCR) or call cost recording (for caller-oriented billing of calls made on personal or third-party telephone terminals) facilitate cost management and create more transparency. Call-barring or access-restriction functions are also available as additional cost-saving tools.
Geographically distributed locations but still as a company single entity: this is possible thanks to Aastra 400 networking solutions. For companies with subsidiaries, up to 40 locations and up to 600 users can be integrated into a homogeneous communication system via the data network. Employees see it as a single system; even colleagues in a foreign location are reached as in-house employees.
- SIP Networking: Networking based on the open, global SIP is the most universal method of linking several systems together via a private data network or via the internet. SIP is supported by many manufacturers worldwide.
- Virtual Networking: Virtual networking is needed, in particular, by companies with geographically distributed locations without interconnected data network. A virtual network is set up in such a way that employees in other locations can be called with their internal call numbers. Connection is automatically set up by the system, via the public network. Many network providers have special offers for customers with subsidiaries, which also contributes to cost efficiency.