4-2 August 2003 Access Navigator - Release 1.8
Access Navigator / GR-303 Host with P-Phone
Overview
Overview
The Access Navigator® / GR-303 Host with P-Phone offers a highly integrated solution for combining
multi-line local voice and data services on customer T1 access lines. Using the Telcordia® standard GR-303
switching protocol, up to 672 customer telephone channels can be assigned on a call-by-call basis to Class
5 local digital switch T1 connections. When connected to a Nortel DMS switch providing Nortel Proprietary
Phone (P-Phone) Centrex service, the Access Navigator can support up to 384 P-Phone channels from up
to 14 remote Adit 600s. In addition to the concentration and management of CLASS® voice services, the
Access Navigator grooms, and optionally concentrates, fractional T1 data connections from customer
locations.
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Figure 4-1 Access Navigator / GR-303 Host with P-Phone
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