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21
Switching an In-Progress Call to Another Phone Using SNR 16 Not Supported Supported
Transfer a Call 11 Supported Supported
Use the Intercom Feature 14 Supported Supported
View Call History 14 Supported Supported
Whisper Intercom 15 Supported Supported
Table 1 Features (with page number references) Supported in SIP and SCCP Protocols.
Features SIP SCCP