Normal Mode And Local Mode Overview - Nortel SRG200 Configuration Manual

Normal Mode and Local Mode overview

Normal Mode
Main Office Configuration for SRG200/400 Release 1.5
• Network Signaling (NSIG) package 37. This package is optional for
SRG IP Phones to access set-based Network Class of Service (NCOS)
features.
• Adaptive Network Bandwidth Management package 407.
• Alternative Call Routing for Network Bandwidth Management.
For software and hardware requirements for SRG, see the SRG200/400
Release 1.5 Configuration Guide.
Normal Mode and Local Mode overview provides a description of the
following sections:
• Normal Mode
• Local Mode
• Survivability
• Recovery to Normal Mode
• Local Mode operation
• Virtual trunks
IP Phones that are physically located at the SRG but are registered with the
main office are in Normal Mode. The main office provides centralized call
processing for the SRG IP Phones. These telephones are registered to the
main office TPS and are controlled by the Call Server at the main office.
Users of the SRG IP Phones receive the features, key layout, and tones of the
main office Call Server. This provides feature and application transparency
between the branch office and the main office.
IP Phones that are physically located at the SRG but are registered with the
main office are operating in Normal Mode. In Normal Mode, the main office
provides centralized call processing to all applications transparently to all IP
Phones at the Branch Office. All IP Phones at the Branch, in Normal Mode,
Overview Page 23 of 254
Configuration Guide