WELLTECH ATA-172 - Advanced SIP Settings

ATA Web user guide
64 / 114 2015/1/8
9.3 Advanced
9.3.1 Function
Provide [SIP Expire Time, SIP/RTP Port, QoS, Register SIP Expire Time, Use DNS SRV,
DTMF, User=Phone, PRACK] Function.
9.3.2 Instruction
Figure 1: 1FXS(ATA171plus, ATA-171), 1FXS+1PSTN(ATA-171P),
1FXS+1FXO(ATA-171M).
(Figure 1)