beautypg.com

Hold implementation, Reliability of provisional responses, Transfer – Polycom SOUNDPOINT SIP 2.2.0 User Manual

Page 223: Third party call control

Hold implementation, Reliability of provisional responses, Transfer | Third party call control | Polycom SOUNDPOINT SIP 2.2.0 User Manual | Page 223 / 254 Hold implementation, Reliability of provisional responses, Transfer | Third party call control | Polycom SOUNDPOINT SIP 2.2.0 User Manual | Page 223 / 254