Polycom SIP 3.0.2 ユーザーズマニュアル

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Administrator’s Guide SoundPoint IP / SoundStation IP 
4 - 18
Configuration changes can performed centrally at the boot server or locally:
Call Transfer
Call transfer enables the user (party A) to move an existing call (party B) into 
a new call between party B and another user (party C) selected by party A. The 
phone offers three types of transfers:
• Blind transfers—The call is transferred immediately to party C after party 
A has finished dialing party C’s number. Party A does not hear ring-back. 
• Attended transfers—Party A dials party C’s number and hears ring-back 
and decides to complete the transfer before party C answers. This option 
can be disabled.
• Consultative transfers—Party A dials party C’s number and talks 
privately with party C after the call is answered, and then completes the 
transfer or hangs up. 
Configuration changes can performed centrally at the boot server:
Central 
(boot server)
Configuration file: 
sip.cfg
Specify whether RFC 2543 (c=0.0.0.0) or RFC 3264 (a=sendonly or 
a=inactive) outgoing hold signaling is used. 
For more information, refer to 
 on page 
.
Specify local hold reminder options.
For more information, refer to 
 on page 
.
Local
Web Server 
(if enabled)
Specify whether or not to use RFC 2543 (c=0.0.0.0) outgoing hold 
signaling. The alternative is RFC 3264 (a=sendonly or a=inactive).
Navigate to:  http://<phoneIPAddress>/appConf.htm#ls
Changes are saved to local flash and backed up to <Ethernet 
address
>-phone.cfg
 on the boot server. Changes will permanently 
override global settings unless deleted through the Reset Local 
Config menu selection and the <Ethernet address>-phone.cfg is 
removed from the boot server.
Local Phone User 
Interface
Use the SIP Configuration menu to specify whether or not to use RFC 
2543 (c=0.0.0.0) outgoing hold signaling. The alternative is RFC 3264 
(a=sendonly or a=inactive). 
Central 
(boot server)
Configuration file: 
sip.cfg
Specify whether to allow a transfer during the proceeding state of a 
consultation call.
For more information, refer to 
 on page 
.
Specify whether a transfer is blind or not.
For more information, refer to 
 
on page