To configure the SIP Account Settings in the RCVx3 device, please follow the steps outlined below.

1. Open a web browser and enter the URL of the RCVx3 device: 192.168.3.1.

2. If you are logging in for the first time, use the default credentials:

Username: celestial

Password: hellotickiot

3. Select the FXS1 option from the local page.

4. In the FXS1/FXS2 settings, select SIP Account to access the SIP Account configuration options.

5. In the SIP Account settings of the RCVx3 device, you can configure various options to optimize call handling, audio quality, and supplementary services. Below are the key sections available for configuration, with examples for better understanding:

a. Basic Setup:

• Line Enable: Enable or disable the line.
  Example: Set Enable to activate the SIP line for outgoing calls.
• Outgoing Call without Registration: Choose whether calls can be made without registering.
  Example: Select Disable to require registration for outgoing calls.
• Missed Call Log: Enable or disable the logging of missed calls.
  Example: Set Enable to track missed calls in the call log.

b. Proxy and Registration:

• Proxy Server: Specify the SIP proxy server address.
  Example: Enter sip.example.com for your VoIP provider.
• Proxy Port: Set the port for the SIP proxy server (default is 5060).
• Outbound Server: Provide the outbound proxy server address if required.
  Example: Enter outbound.example.com.
• Transport: Choose the transport protocol, such as UDP.

c. Subscriber Information:

• Display Name: Specify the name displayed for outgoing calls.
  Example: Enter John Doe.
• Phone Number: Enter the phone number associated with the SIP account.
  Example: Enter +1234567890.
• Account and Password: Enter the SIP credentials provided by your service provider.

d. Audio Configuration:

• Codec Setup: Configure audio codec preferences.
  Example: Set Audio Codec Type 1 to G.711U for high-quality audio.
• Echo Cancel: Enable or disable echo cancellation.
  Example: Set Enable for clearer audio.

e. FAX Configuration:

• FAX Mode: Select the FAX protocol.
  Example: Choose T.38 for reliable fax transmission.
• Max Fax Rate: Configure the maximum fax transmission rate.
  Example: Set 14400 for standard fax speed.

f. Supplementary Services:

• Call Waiting: Enable or disable call waiting.
  Example: Set Enable to allow notifications for incoming calls while on a call.
• Hotline: Configure hotline features.
• Voice Mailbox Numbers: Specify voicemail settings.

g. Speed Dial:

• Assign numbers to speed dial slots.
  Example: Set Speed Dial 2 to +9876543210 for quick access.

h. Advanced SIP and RTP Setup:

• Transport: Select protocols such as UDP or TCP.
• Session Refresh Time (sec): Define the session refresh interval.
  Example: Set 3600 for hourly refresh.
• RTP Port Range: Configure the port range for RTP (default is 0-50000).

These settings allow comprehensive customization of SIP accounts for optimized functionality.

6. After entering all the required details for the FXS1, click on the Save & Apply button to save and apply the changes.