ZyXEL Communications prestige 2002 series ユーザーズマニュアル

Prestige 2002 Series User’s Guide

Chapter 6 VoIP Screens

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Figure 21   VoIP Advanced

The following table describes the labels in this screen. 

Table 11   VoIP Advanced

Advanced VoIP 

Settings

This read-only field displays the number of the SIP account that you are 

configuring. The changes that you save in this page affect the Prestige’s settings 

with the SIP account displayed here.

SIP Server 

Settings

URL Type

Select SIP to have the Prestige include the domain name with the SIP number in 

the SIP messages that it sends.Select TEL to have the Prestige use the SIP 

number without a domain name in the SIP messages that it sends.

Expiration 

Duration

This field sets how long an entry remains registered with the SIP register server. 

After this time period expires, the SIP register server deletes the Prestige’s entry 

from the database of registered SIP numbers. The register server can use a 

different time period. The Prestige sends another registration request after half of 

this configured time period has expired. 

Register Resend 

Timer

Use this field to set how long the Prestige waits before sending a repeat 

registration request if a registration attempt fails or there is no response from the 

registration server.

Session Expires

Use this field to set the longest time that the Prestige will allow a SIP session to 

remain idle (without traffic) before dropping it.