Sigma Systems to Demo Residential and Business VoIP Fulfillment With SIP … – TMCnet

Sigma Systems to Demo Residential and Business VoIP Fulfillment With SIP …
TMCnet
"As Sigma Systems' customers continue to transform into Next-Generation Operators, both residential and business VoIP services remain a priority in …

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This entry was posted on Tuesday, October 27th, 2009 at 2:10 pm and is filed under IP telephony. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.