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Reply To: VOIP Analog and digital telephone


Sound quality depends on the Network and the algirythum used for the compression. If good compression and no network issues you cannot tell the difference. I will use a company I know VERY well as an example for price and features.

8 port FXS(Analogue) Gateway:
Retail: $2,400

2 port ISDN (Digital) Gateway: PRI/E1/T1/QSIG/CAS
Retail: $9,400
Up to 48/60 channels depends on ISDN type used.

this depends on the Signalling protocol used H.323/SIP/MGCP and others. Please look at your business model and what is a requirement for you features and then pick a signaling protocol.

hope this helps.