I’m searching for a large scale SIP based analog/IP convertor

5 pts.
Tags:
Analog to digital converters
Asterisk
Linksys SPA2102
Rhino Channel Bank
SIP
VoIP hardware
We are deploying a large scale VoIP system (+/- 5000 phones), based on Asterisk and SIP. In some of our warehouses we want to keep using the existing analog phones. We have 2 options (that we know of) to connect these analog phones to our VoIP system: 1) Linksys SPA2102 analog/IP convertor Advantage: You can connect it to your IP LAN. Disadvantage: Only 2 analog phone connections. If you need to connect 50 analog phones, you require 25 switchports, 25 power supplies, short: a whole bunch of cables in your wiring. 2) Rhino Channelbank Advantage: 1 machine (1 power supply) with 25 analog phone connections. Disadvantage: No LAN connection. You have to connect this Channelbank to your VoIP server/gateway using a PRI connection. If you need to connect 50 analog phones, you need a VoIP gateway with 2 PRI interfaces, near to your Channelbanks. An ideal solution would be to have an 'oversized' Linksys Sipura box with 25 (or more) analog connections and with one LAN connection. Does anybody know whether such devices exist?

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