Reset button to restore default IP and password or
restore factory setting.
Restore IP and Password: hold RST button 3~5
seconds, RUN LED being ON during this time
Restore factory setting: Hold RST button 7 seconds,
RUN LED being blink
1.4 Functions and Features
1.4.1 Protocols Supported
Standard SIP
Simple Traversal of UDP over NATs (STUN)
Point-to-point Protocol over Ethernet (PPPoE)
Hypertext Transfer Protocol (HTTP)
Dynamic Host Configuration Protocol (DHCP)
Domain Name System (DNS)
ITU-T G.711α-Law/μ-Law, G.723.1, G.729AB
1.4.2 System Function
PLC: Packet Loss Concealment
VAD: Voice Activity Detection
CNG: Comfort Noise Generation
Local/Remote SIM Card Working Mode
Adjustable Gain of Port
DTMF Adjustment
Balance Check
Lock/Unlock SIM/UIM
Rejection of Mobile Number Display
Sending/Receiving SMS
Customized IVR Recording
White and Black Lists
One Number Access