Chapter 3 Phone Use and Configuration

Figure 7 Advanced SIP Settings (part 3)

The following table describes the labels in this screen.

Table 4 SIP Setting

LABEL

DESCRIPTION

Session Timer

 

 

 

Enable

Select Enable if you want to define how long the ZyXEL Device waits to

 

receive a session-alive packet for a voice session from the SIP server.

 

 

Minimum

Enter the minimum time the ZyXEL Device waits for a session-alive

Expiration

packet (90-65536 seconds).

Time

 

 

If a session-alive packet is not received during this time, the voice

 

session is terminated.

 

 

Maximum

Enter the maximum time the ZyXEL Device waits for a session-alive

Expiration

packet (90-65536 seconds).

Time

 

 

If a session-alive packet is not received during this time, the voice

 

session is terminated.

 

 

Dial Plan

 

 

 

Active

Select Active to enable the dial plan feature. A dial plan is used by a

 

service provider to define the expected rules and digit patterns for the

 

telephone numbers it uses.

 

If your dial plan does not match the service provider’s, you probably will

 

not be able to connect to their servers.

 

 

22

 

P-27XX Series User’s Guide