Port:         

SIP bind port

Example: 2727, (default)

Field Type: [0-9]

Bind Address:         

SIP bind IP address

Example: 0.0.0.0, (default)

Field Type: [0-9]

Context:

Default context for incoming calls

Example: For security reasons it is recommended to keep this field set at 'invalid-context'

Field Type: [a-z][0-9]