[wsx123]

I have Roadrunner internet. I had digital phone service through them but turned it off due to getting cell phones. I still have the VOIP modem and wanted to know if I can use this with any free software to obtain a free incoming number that I can set up on my Windows XP home pc to use as an answering machine.

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no. chances are the voip modem is specific to your service.

you might look into skype. It might offer what your wanting.

[starjax]

no. chances are the voip modem is specific to your service.

you might look into skype. It might offer what your wanting.

[Johnvoip]

VoipSipSdk

I am now looking for voip solutions. And found information about Voip sdk.
According to their website www.voipsipsdk.com
Voip sdk is based on IETF standards (SIP, STUN, etc.), so it should be compatible with other standard based products such as Asterisk, OpenSER other.

They have all features I need:
# Dynamically loadable codecs
# Registrar support
# Play wav files into conversation
# Record conversation into file
# Hold/Retrieve call
# Forward Call (Blind Call Transfer)
# Transfer Call (Attended Transfer)
# Mute Sound
# VPN support
# Noise reduction
# Auto gain
# Jitter buffer parameters
# Samples on Delphi, C#, VB, VB.NET, C++ 2005, C++ 6.0, HTML (SIP ActiveX)
# Windowless samples on C++ and .NET
# DTMF
# Adaptive silence detection
# Adaptive jitter buffer
# STUN support
# Comes as ActiveX control

But before I will download the evaluation version I would like to hear other people experience.