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Hold implementation, Reliability of provisional responses, Transfer – Polycom SIP 2.2.2 User Manual

Page 223: Third party call control

Hold implementation, Reliability of provisional responses, Transfer | Third party call control | Polycom SIP 2.2.2 User Manual | Page 223 / 256 Hold implementation, Reliability of provisional responses, Transfer | Third party call control | Polycom SIP 2.2.2 User Manual | Page 223 / 256