Deployment Scenarios; Itsp Service Without Local Pstn Access Or Voice Mail - Linksys SPA9000-NA Installation And Configuration Manual

Preparation

Deployment Scenarios

Deployment Scenarios
To ensure that the system meets the customer's needs, consider the requirements for PSTN access,
VoIP service, voice mail, and legacy equipment such as analog phones and fax machines . Also
consider the number of IP phones that are required to handle the expected call volume .

ITSP Service without Local PSTN Access or Voice Mail

In this scenario, the customer requires a robust phone system but is not using VoIP services . The LVS
is deployed with a SPA9000 IP PBX, one SPA400 for PSTN access with four FXO ports, and another
SPA400 for local voice mail service . Four phones are connected at this time, but the LVS can be
expanded to include up to 16 SPA9xx IP phones . Optionally, analog phones or fax machines (not
illustrated) can be connected to the two phone ports on the SPA9000 .
SPA9xx IP Phones
SLM224P Switch
SPA9000 IP PBX
WRV200 Router
Integrated
Access Device
Internet
Linksys Voice System Installation and Configuration Guide 22