400HD Series IP Phones
Administrator's Manual 202 Document #: LTRT-11973
A.3.8 3PCC (Third Party Call Control)
The 3PCC feature lets an agent control their phone remotely from a computer application.
3PCC always supports the following functions:
MakeCall (call initiation/setup)
Release
Hold
Retrieve
Transfer
Consult
Conference
DTMF
To configure 3PCC using configuration file:
Use the table as reference.
Table A-18: 3PCC Parameters
Parameter Description
voip/talk_event/enabled
0 Disable (default)
Enable
Note: voip/talk_event must be enabled for 3PCC to function.
A.3.8.1 Enabling 3PCC Calls
This feature complies with the RFC 3725 standard for 3PCC in SIP for 'Black Holed' and
'Non SDP'. See the RFC for detailed information.
To enable 3PCC calls:
• Use the table as reference.
Table A-19: Enabling 3PCC Calls
Parameter Description
3PCC/make_call/enabled 0 = Disable (default)
1 = Enable