Is there any software that can use the standard modem as PSTN gateway for VOIP PBXs?

Can you answer anas b’s question about VoIP?:

I have a VOIP PBX
I need to add PSTN gateway to be able to call land-lines

to save the price of the PSTN gateway, I need a software that work as PSTN gateway using the standard modem

Wireless Broadband VoIP

3 Responses to “Is there any software that can use the standard modem as PSTN gateway for VOIP PBXs?”

deepvoids on August 13th, 2009 9:21 am

VoIP Feedback: Check for products on
sirdice on August 14th, 2009 2:56 am

VoIP Feedback: You can’t use a standard modem for this. You need a TA (Telephony Adapter).

These come in all shapes and sizes (and prices).. I bought my SPA-3000 relatively cheap, 40 euro.
Mr. VoIP on August 16th, 2009 2:13 am

VoIP Feedback: The Linksys SPA3102 is also a good option with one FXS and one FXO port for interracing with PSTN network
You do need an hardware ATA (analog telephone adapter) with FXO port to interface between IP-PBX and PSTN network.

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