Operation Manual

Parameter Default value Description

P129 0 Specifies whether the phone rejects the anonymous calls. Assign any of

the following values:

• 0: No

• 1: Yes

P90 0 Specifies whether the phone automatically turns on the speaker phone to

answer incoming calls after a short reminding beep. Assign any of the

following values:

• 0: No

• 1: Yes

P298 0 Specifies whether the phone automatically turns on the speaker phone to

answer incoming calls after a short reminding beep based on the SIP Call-

Info header that the server sends. Assign any of the following values:

• 0: No

• 1: Yes

P135 0 Specifies whether the Refer-To header uses the Contact header

information of the transferred target for attended transfer. Assign any of the

following values:

• 0: No

• 1: Yes

P2304 0 Specifies whether the phone transfers the call to another party if the

conference initiator hangs up. Assign any of the following values:

• 0: No

• 1: Yes

P85 4 Specifies the timeout in seconds when the phone dials the digits if no key

is pressed after the timeout. Specify any value in the range of 1 to 15.

P72 1 Specifies whether the # key is used to immediately dial out the input digits.

Assign any of the following values:

• 0: No

• 1: Yes