The server handles the setting up and cutting of connection, both internally and externally. It also makes all telephony functions and communication services available. Switchover from IP-based to traditional analogue or digital telephony is ensured with integrated Media Gateways.

Some highlights of the Aastra 400 family

• Cutting-edge technologies like VoIP, SIP and XML, as basis for innovative communication solutions
• Seamless availability on the company premises (DECT, SIP-DECT and WLAN) and outside the company premises (FMC) with professional, integrated mobility solutions
• Broad range of terminals
• Uniform and intuitive deployment of all terminals integrated into the system (fixed phone, cordless handsets, Softphone, mobile phone)
• Unified and collaborative communications
• Specific solutions for contact centres, care facilities and hotels as well as monitoring; and alarm systems
• Technological independence and future-proof development, thanks to an open system architecture and use of global standards (e.g. SIP)
• Huge connection possibilities for multi-site companies

Benefits

• The same software for all Aastra 400 communication servers:
  - The same services offer
  - The same ergonomics
  - The same applications
  - The same terminals
• Unified & Collaborative Communication solution, including CTI, video conference, chat and desktop sharing, with Aastra 470 without the need for an external PC
• Future-oriented, VoIP based communication server
• Openness and investment protection thanks to the use of standard interfaces and protocols
• Integrated voicemail system
• Modular architecture with step-by-step-expansion
• Integrated SIP protocol for connecting to public networks via service poviders as well as for connecting SIP terminals and SIP-based applications