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Specifications

ManualsBrandsMitel ManualsTelephoneNETVISION PHONE
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General Information Guide
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• BRI Links - The system supports Euro ISDN 2B + D, Basic Rate Interface, or the North
American ISDN-1 and ISDN-2 protocols. The system connects to BRI links using a DPNSS
link from a Universal NSU or CEPT Formatter card through the 3300 BRI NSU or the BRI
card in the DSU cabinet or MICRO LIGHT.
The following analog trunks are supported:
• Analog CO trunks interface to the system by using the Loop Start (LS) ports on the 3300
Universal ASU or the Loop Start/Ground Start (LS/GS) card in the peripheral cabinet.
• E&M trunks interface to the system using the E&M trunk card in the peripheral cabinet. The
card can be configured for either 2-wire or 4-wire operation. Type 1 through Type V circuits
are supported.
• Direct Inward Dial and Tie trunks interface to the system through the DID/Loop Tie trunk card
in the peripheral cabinet.
IP Networking
IP Networking provides an integrated networking solution that allows voice and signaling data to be
transported over the existing LAN/WAN infrastructure between multiple 3300 ICPs. MSDN/DPNSS
features are supported over IP Networking.
Each 3300 ICP supports up to 2000 IP trunks allowing for a ’cluster’ of up to 80 3300 ICP systems to
work as a single integrated voice system. Each pair of 3300 ICP systems can be connected by up to
200 IP trunks.
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Compression
The 3300 ICP provides the option of G.729 voice compression. Licenses and additional 3300 DSP
modules can be purchased to enable this feature to a maximum 64 compression channels. This
option will apply compression to a call whose voice path traverses the TDM/analog to IP fabric. This
includes calls that originate on the TDM/analog side and terminate on the IP side, and vice versa. It
also includes calls made between TDM/analog devices when call setup is established over an IP
network.
IP phone to IP phone calls also support compression. Compression for this scenario is applied by
DSP resources in the phones and does not require compression licenses.
The compression of a standard call effectively reduces the bandwidth required per call from 64kbps to
approximately 8kbps plus packet overhead.