Chapter 4: Web Configuration
SIP Min-SE value:
As implied in the name, the value you type here is the minimum value for the session timer. The default value is 180 seconds.
Do NOT send My Phone Number: This item allows the caller’s ID or
name not to be sent to the receiver. Check the box to enable this function.
Subscribe voice mail service: 
Check this box to subscribe voice mail
service if your VoIP service provider offers this service.
Enable Voice Activity Detection: While communicting via VoIP, there will be silent period when we are not talking; thus, by using this VAD feature, silence packets can be disabled and the silent period can be utilized to transmit traffic other than voice. Check it to invoke this function.
Send telephone events via:
There are three ways for you to send the telephone events. Choose one (Voice Codec (Inbound), RFC2833, INFO Method) according to the information provided by your ISP for sending the events.
Inter-digit timeout value:
When dialing phone number, if the pause between dialing two digits up to the timeout value set here, the call will be terminated.
Dial Timer:
When the dialed phone number correctly meets the dial plan, the call demand will be sent out by the setting time.
Audio Codec
It is a computer program that compresses/decompresses digital audio data according to a given audio file format or streaming audio format.
Preferred Audio Codec: There are six options for you to choose. Each one represents different compression function for the audio data. Select one to match your requirement according to the information provided by your ISP. If you choose Auto, the system will choose a proper one for you. It is recommended to choose Auto if you don’t know how to select.
After finished settings, click Apply for activation.
