• Inexpensive in-house alternative to hosted solutions
• Four T1/E1 ports and two 10/100 ethernet ports allow for a combination of up to 30 callers and 15 active conferences using traditional telephone and VoIP connections, upgradeable up to 60 callers and 30 active conferences
• Connects to the PSTN, existing PBXs, IP PBXs and VoIP systems
• Supports permanent or scheduled conferencing, with or without moderator
• Web interface used for initial configuration and conference call scheduling/planning
• Diagnostic and reporting tools included
• Roll Call and Entry/Exit Indications
• Enhanced conference management for moderators
• Automatic email notification to moderators upon conference setup
• Comprehensive security features

Capacity
30 concurrent users, 15 conferences (30-port unit)
60 concurrent users, 30 conferences (60-port unit)

Features
Motorola PowerPC running Linux®
2 Compact Flash slots
4 T1/E1 ports for connection to PBXs or the PSTN
2 10/100 ethernet ports for connection to public and private IP networks
DB9 serial console port
100-240 VAC (47-63 Hz) Amp Max. auto-sensing power supply

Voice Processing Features
Dedicated DSPs supporting up to 60 VoIP channels using G.711 and G.729 a/b codecs, with G.168 echo cancellation, voice activity detection, silence suppression and comfort noise generation
Hardware-based audio mixer with automatic gain control, acoustic and electrical echo cancellation, adaptive noise suppression and dominant speaker selection
Touchtone (DTMF) detection, suppression and generation

Environmental
Operating temperature: 0°-40° C (32°-104° F)
Relative humidity: 10%-85% non-condensing
Heat generation: 400 BTU/hour (30 Watt max PSU)
Noise: 28 dBA max

Dimensions
Width: 12 inches (30.5 cm)
Depth: 9 inches (22.9 cm)
Height: 1 Rack Unit (1.75 inches, 4.4 cm)
Weight: 6 lbs (2.73 kg)

Protocols Support
ISDN PRI for PBX and PSTN interconnection:
- ANSI National ISDN 2
- ETSI NET5*
- Nortel DMS-100 Custom
- Lucent 5ESS Custom
SIP call control
H.323 call control (as an endpoint, not as an MCU)*
RTP and RTCP for VoIP media streams, with RFC 2833 DTMF detection
SMB (Samba) for integration with Microsoft® Windows servers*
NIS for integration with Unix®and Linux®servers*
SMTP for integration with email systems

Conference Capabilities
Registered users may book one-time and recurring bridges using a web browser.
An administrator may create personal bridges with individual phone numbers for 
reservationless use.
The Aastra CNX automatically sends out email invitations to conference moderators.
Conferences are identified by a unique passcode.
Separate PINs are automatically generated for moderators and participants.
Telephony interface features include:
- roll-call
- mute/unmute self
- mute/unmute all
- eject from conference
- enable/disable lecture mode
- lock/unlock conference
- request extra ports
- request time extension 
- terminate conference.

Security
Web access to Aastra CNX administrative and conference booking portal via Secure HTTP (using Secure Sockets Layer)
Authentication of users and administrators from an internal database, Microsoft®Windows server or Unix®/Linux®server.* 
Auto-generation of separate moderator and participant PIN codes
Optional restriction of administrative and/or VoIP access to an internal IP interface.
All pertinent booking and usage data, including caller id, are collected and available for subsequent audit.

Administration and Management
Configuration and administration via a web interface
Conference booking and usage data collected in comma-separate value format 
for export to spreadsheet or database for subsequent analysis

Language Support
Web and telephony interfaces support internationalization, initially available in:
- English
- French Canadian
- Spanish*

Support and Upgrades
Software releases are field upgradeable
30-port unit is field-upgradeable to 60 ports.