I have a Norstar T1 card connected to an Edgewater Router providing a SIP based PRI. I am experiencing echo on some calls and was wondering if anyone has any advice as far as possible program changes I could make on the Norstar. The carrier codec possibilities are Inband, Outband and RFC2833. Currently it is set to Inband. Any ddeas?
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Norstar/ SIP Trunking
- Thread starter TDSjeff
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