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phone number for forwarding.
5. Press Save to save the changes.
3.5 Call Hold
1. Press the Hold softkey to put the active call on hold.
2. If there is only one call on hold, press the Hold softkey to retrieve the call.
3. If there is more than one call on hold, press the line button, and the Up/Down button to
highlight the call, then press the Resume button to retrieve the call.
3.6 Call Waiting
1. Press Menu ->Features->Enter->Call Waiting->Enter.
2. Use the navigation keys to activate or deactivate call waiting.
3. Press SAVE to save the changes.
3.7 Call Waiting Tone
1. Press Menu ->Features->Enter->Call Waiting Tone->Enter.
2. Use the navigation keys to activate or deactivate call waiting tone.
3. Press SAVE to save the changes.
3.8 Mute
When the Mute button is pressed during a conversation, the icon will be shown in the
LCD. The distant party will not hear the party on the C58, but the distant party can still be
heard.
Press Mute again to return to normal conversation.
3.9 Call transfer
3.9.1 Blind Transfer
During a conversation, press the XFER key, dial the number to which the call is to be
transferred followed by "#" and then hang up.
3.9.2 Attended Transfer
During a conversation, press the XFER key, dial the number to which the call is to be
transferred followed by "#" and press Send. After the third party answers, press XFER to
complete the transfer.
NOTE: Call waiting and call transfer must be enabled.
NOTE: The SIP server must support RFC3515.