WELLTECH ATA-172 - Page 69

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Figure 2: 2FXS (ATA172plus and ATA-172).
(Figure 2)
Item Description
SIP Expire Time Default is 60; When this function is Set up to 0, the SIP Expire
Time is according to the default value of Server.
This column can only be numbers; maximum length is 5 bytes
with the range of 60~86400 (seconds).
SIP Expire Time
Type
Default: General.
Provide options: General, 1/2, 2/3, 3/4, 4/5, 5/6, 6/7, 7/8, 8/9,
9/10.
*This function must be supported by SIP Server or IP-PBX
Server.