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Answering side hears echo from cell phone call
We have an ISDN PRI to a Cisco 2833 routing calls to a SIP application server. Sometimes (1/50) when a call from a cell phone is answered we find that the greeting message is digitaly looped back, the caller hears the message but the application server only gets the greeting message looped back...- pdvmike
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- Replies: 1
- Forum: Data Transmission general discussion
