
18
IP Telephony Case Study
CATEGORY CASE CONTENTS CHANNEL
CASE1
IP Phone and ATA for Residential and SOHO Users
ISP/ITSP, Retail
CASE2
IAD for Residential and SOHO Users
ISP/ITSP
CASE4
IP PBX Gateway for Trading Company, Travel Agency, or
Small Business (under 10 users), with PSTN Backup
ISP/ITSP, SI
CASE3
IP PBX Gateway for Trading Company, Travel Agency, or
Small Business (under 10 users)
ISP/ITSP, SI
CASE5
IP PBX for SMB Office (15 - 30 users)
SI, ISP/ITSP
CASE6
IP PBX for SMB Office (50 - 70 users) with Call Routes via
ISP/ITSP only
SI, ISP/ITSP
CASE7
IP PBX for SMB Office (50 - 70 users)
SI, ISP/ITSP
CASE8
Integrating FXS Gateway with legacy PBX for SMB Office
(30 - 50 users)
ISP/ITSP, SI
CASE9
Integrating IP PBX with legacy PBX for SMB Office
(50 - 100 users)
SI, ISP/ITSP
CASE10
VoIP Integration for Main/Branch Office
SI
CASE11
VoIP Integration for Main/Branch Office, Minor Upgrade
SI
Main/Branch Office
VoIP
CASE12
VoIP Integration for Main/Branch Office, Major Upgrade
SI, ISP/ITSP
SMB VoIP
SOHO VoIP
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