Yeastar S-Series VoIP PBX supports Session Initiation Protocol (SIP). SIP is used in VoIP communications allowing users to make and receive voice calls for free over the Internet. Before registering a SIP account on phones, you need to create a SIP account.

  1. Go to Settings > PBX > Extensions, click Add.
  2. On the Basic page, go to General section, and set the general settings of the extension.
    • Type: Select the checkbox of SIP.
    • Extension: Enter the extension number.
    • Caller ID: Enter the caller ID number. The called party will see this caller ID number when the extension user makes an outgoing call.
    • Registration Name: The name used to register a SIP extension.
    • Caller ID name: Enter the caller ID name. The called party will see this caller ID name when the extension user makes an outgoing call.
    • Concurrent RegistrationsYeastar S-Series VoIP PBX supports to register one SIP extension number on multiple phones. When a call reaches the extension number, all phones will ring. The maximum number of concurrent registrations is 5.
    • Registration Password: The password is used to register the extension.
  3. On the Basic page, go to User Information section, and set the user information.
    • Email: Extension user can reset his/her login password, receive voice mails, faxes, or PBX notifications via this email address.
    • User Password: The password is used to log in the PBX or log in Linkus client. The password is generated randomly by default.
    • Prompt Language: The language of voice prompts. The default prompt language is the same as the system language. If the extension user speaks foreign language, you can set a specific system prompt.
      Note: Before selecting other system prompts, go to Settings > PBX > Voice Prompts > System Prompt to download online prompts.
    • Mobile Number: Extension user can receive the PBX notifications or forwarded calls on this mobile number.
  4. Optional: Click PresenceFeaturesAdvanced, or Call Permission tab to configure other settings.
  5. Click Save and Apply.