TITLE

10 Tips For Writing Your Next IP-PBX RFP

AUTHOR(S)
Sulkin, Allan
PUB. DATE
September 2005
SOURCE
Business Communications Review;Sep2005, Vol. 35 Issue 9, p32
SOURCE TYPE
Trade Publication
DOC. TYPE
Article
ABSTRACT
This article looks at 10 request for proposal (RFP) issues and requirements unique to Internet-telephony systems, that were not applicable to traditional circuit-switched private branch exchanges (PBX). Basic IP-telephony system design. A gatekeeper is a communications protocol element that provides address translation and control access to the local area network for terminals and gateways. Media gateways are required by an IP-telephony system to support both traditional time division multiple (TDM) and IP elements within the same system. Common control redundancy for TDM-based PBXs was limited, at best, to co-located active and standby call controllers. IP-telephony systems may be designed with multiple primary and multiple secondary call control servers that can be geographically distributed as a precautionary configuration option.
ACCESSION #
18267044

 

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