3.3.2 Timer
SIP T1
Specifies the retransmission interval time for INVITE requests and responses.
Value Range
5–255 ´ 100 ms
SIP T2
Specifies the retransmission interval time for INVITE responses and non-INVITE requests.
Value Range
40–255 ´ 100 ms
Programming Manual for Virtual SIP Trunk Card 45
3.3.2 Timer