How to configure Yealink T58v/T19PE2 for use with OpenScape Cloud

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Tested models: Yealink T58v, Yealink T19PE2.

The phones have been tested with OpenScape Cloud with the following software and hardware versions.

For Yealink T58v:
  • Software version

  • Hardware version
For Yealink T19PE2:
  • Software version

  • Hardware version

Both Yealink T58v and Yealink T19PE2 are desk phones but their main difference is, apart from the design and display, their operating system since T58v is running on an Android operating system.

The instructions provided below are likely valid for other software versions or compatible devices but Unify will not validate it.

A 3rd party device configuration should be done by your ICT service partner or company administrator. Support from Unify for 3rd party devices is restricted to provide a generic configuration of OpenScape Cloud so that a device can be connected, and to operate the Cloud solution. If you have issues when setting up a 3rd party device, including its connection to OpenScape Cloud, or with its features and functions, please contact your 3rd party device supplier.

  • A Circuit domain administrator has assigned a phone number and desk phone to the user who will be using the phone.

  • Make sure you have the following SIP information:

    • User ID: this is usually identical to the phone number assigned to the user who will be using the phone.

    • User-specific password for SIP digest authentication.

    • SIP server address and port.

  • Make sure you have the necessary certificate for establishing a secure TLS connection to OpenScape Cloud: RootCA.pem.

  • It is recommended that you perform a factory reset of your device, if the device has already been used in the past. This way, you can make sure that you have a smooth process of configuring your device without implications.

SIP information and certificate is obtained in self service from Circuit domain administrators who need to navigate to Administration > Cloud telephony and then select the user who will be using the phone.

To configure the phone for use with OpenScape Cloud, perform the following steps:


The Yealink T58v is an Android phone so both its web and device interfaces will look different from Yealink T19PE2. However, the configuration options are identical and the same steps need to be followed.

  1. Connect the phone to the network and power source.
  2. When you power on the phone, the systems boots up and starts the following process:
    1. The phone performs an automatic initialization.
    2. The phone’s screen displays the message "Initializing...please wait".
    3. The device attempts to contact a DHCP server in your network to obtain valid IPv4 network settings (e.g. IP address, subnet mask, default gateway address and DNS address) by default.
    4. Wait until the DHCP server is configured and has accepted a network IP address.
  3. If DHCP is not used in the network or the phone cannot discover an DCHP server in the subnet you have to configure your network settings manually. To configure the IP address via your phone’s user interface do the following:
    1. Press Menu > Settings > Advanced Settings.

      The T58v device does not have the Menu option. You can directly access Settings > Advanced Settings from the Home screen.

    2. In the password field enter admin.
    3. From there press Network > WAN Port.
    4. Press the left arrow, right arrow or Switch key on your T19PE2 device or tap on the drop-down menu on your T58v device to select IPv4 from the IP Mode field.
    5. Press Save to enable the change.
  4. To configure a static IPv4 via the phone’s user interface do the following according to your configuration:
    1. Follow steps 3.a) to 3.c).
      Note: The following steps refer to the T19PE2 device but are identical for both devices. However, since T58v is an Android device, instead of pressing a key just tap on your screen the corresponding option.
    2. Press the down arrow key to select IPv4 and press Enter.
    3. Press the down arrow key to select Static IPv4 Client and press Enter.
    4. Enter the desired values in the IP Address, Prefix, Default Gateway, Primary DNS and Secondary DNS fields respectively.
    5. Press Save.
  5. To access the main web interface of the Yealink phone:
    1. Open a web browser on computer located in the same network as the phone.
    2. Enter the phone’s IP address in the address field of your browser: http://phone's_ip_address. The device’s web page will open.
    3. Type admin in both the Username and Password fields.
    4. Click Confirm for T19PE2 or Login for T58v.
  6. To reset the phone to its factory settings, reboot it or upgrade the phone’s firmware through the web interface:
    1. Navigate to Settings > Upgrade from the main interface.
    2. Press Reset to Factory to reset the device.

      You might wait a few seconds till the Reset process is finished. Then you will be prompted again to the initial login screen. To login, type again admin to both the Username and Password fields, unless you changed the credentials manually.

    3. To upgrade the firmware click Browse... select the relevant file and then press Upload.

      If you want to reset the phone to its factory settings through the phone’s user interface for Yealink T19PE2 you have to navigate to Menu > Settings > Advanced Settings > Reset to Factory on your LCD screen, using the password admin and then press the Enter soft key or for Yealink T58v navigate to Settings > Advance Settings enter the password and tap Reset Config

  7. Navigate to Account > Advanced to choose the preferred language, e.g. English.
    1. On the RTP Encryption (SRTP) field, select Compulsory from the drop down menu.
    2. Click Confirm.
  8. Navigate to the Status tab to see useful information about the phone. You will be prompted to a screen with useful information about the status of the phone. Check if all the information in this page is correct and if not, modify it accordingly.
    1. Make sure the Firmware Version is the latest one.
    2. Check the IP information like the WAN IP Address, Port Type and Gateway port number.
    3. At the Account Status section make sure that you see the indication Registered.
  9. Navigate to Settings > Time & Date to add the time zone, time and date format and enter information about the Primary server and click Confirm.

    Make sure that the options DHCP Time and Manual Time are set to Disabled.

  10. Navigate to Security > Trusted Certificates.
    1. Check the information about the trusted certificates as the IP number they are issued to, who issued them, and the certificates’ expiration date.
    2. It is recommended to select Enable in the Only Accept Trusted Certificates option.
    3. it is recommended to select Enable in the Common Name Validation option for T19PE2 or select ON for T58v.
    4. Choose one of the available options, e.g. All Certificates, at the field CA Certificates
    5. Import Trusted Certificates, if needed, by clicking Browse and opening a file from your computer. Then click Upload to upload it.

      You first need to download the latest certificate from the Circuit administration page in the Desk phone settings area.

    6. Click Confirm to save changes.
  11. Next, navigate to Account > Register.
    1. Choose Account1.
    2. Set Line Active to Enabled in T19PE2 or ON in T58v.
    3. In the Label field, enter the name you wish to be displayed on your phone device’s LCD screen.
    4. In the Display Name field, enter the name to be displayed for your account. It is recommended to enter your First and Last name.

      The Label value has priority over the Display Name value, so if you have entered different values in these sections, then the one to be displayed will be the Label value.

    5. In the Register Name field, enter your Phone number.
    6. In the User Name field, enter the User ID you obtained as Circuit administrator in the users' telephone configuration area.
    7. In the Password field, enter the user-specific password for SIP digest authentication you obtained as Circuit administrator in the users' telephone configuration area.
    8. In the Transport field select TLS from the drop down menu.
    9. In the SIP Server 1 section, in the Server Host field enter the SIP server address credential and next to it, in the Port field, enter the SIP server Port address you obtained from your administrator to the users' telephone configuration area.

      The server host credential can also be your DNS name.

    10. Click Confirm.

      If you enter wrong credentials, e.g wrong DA (Digest Authentication), then you will be blocked for 300s from the system, for security reasons. In this case you need to disable the SIP registration of the device with the faulty credentials and wait until you can retry with the correct ones. It is recommended that you double-check the data that you enter.

The phone is now configured for use with OpenScape Cloud.



You can verify that the phone is successfully registered to OpenScape Cloud either from the web interface or the device’s screen, as follows:

  • If the phone fails to register you will see a message on your phone’s LCD screen the indication No Service.

  • Place a call from and to the phone and make sure that the call is established.

If the phone is not successfully registered, please check your settings and network connection.


Further information

The following functionality has been tested:
  • Answer incoming call, reject incoming call, accept call, dial a number, do blind transfer, attended transfer, consult transfer, merge calls/conference, toggle between calls, send DTMF (i.e. Dual-tone multifrequency signaling), hold and resume a call, show SIP display name, use hunt groups (restricted support), pickup (restricted support), are supported by the phone.


    Third-party devices cannot support the make busy feature toggle button, thus the hunt group feature support is restricted. The pickup feature is restricted because the programming of BLF pickup code on third-party devices is not supported.


    A DSS key can be added in T58v for a visual indication on the phone’s display during pickup calls. In a pickup call, only the calling and called parties’ names will be displayed. The T19PE2 device does not support a DSSKey.


    The number of registrations is limited. It is not recommended to have multiple phone's DSSKeys monitoring the same user.

  • The following functionality has been tested with Circuit client in remote call control: move call between phone and Circuit client(s), i.e. pull call from phone to Circuit client and push call from Circuit client to phone, answer incoming call, make a call, merge calls, transfer call, consult, and hold and resume a call via Circuit.

Please understand that some of the features the phone device might offer with other platforms, like for example MWI notifications, might not be offered with OpenScape Cloud

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