Operation Manual

P261 90 Specify the minimum session expiration time in seconds. This value must

be lower than or equal to the value you assign to the P260 parameter. You

can assign any value in the range of 90 to 64800.

P262 0 Specify whether to enable caller request timer. You can assign one of the

following values to this parameter:

• 0: No

• 1: Yes

P263 0 Specify whether to enable callee request timer. You can assign one of the

following values to this parameter:

• 0: No

• 1: Yes

P264 0 Specify whether to enable force timer. You can assign one of the following

values to this parameter:

• 0: No

• 1: Yes

P266 0 Specify whether to enable UAC Specify Refresher. You can assign one of

the following values to this parameter:

• 0: Omit

• 1: UAC

• 2: UAS

P267 1 Specify whether to enable UAS Specify Refresher. You can assign one of

the following values to this parameter:

• 1: UAC

• 2: UAS

P265 0 Specify whether to enable force INVITE. You can assign one of the

following values to this parameter:

• 0: No

• 1: Yes