# Linphone Mobile - Installation Guide 1\) Navigate to the App Store / Play Store 2\) Locate and install the application: Linphone - By Belledonne communications [![image.png](https://public.intellasoft.net/uploads/images/gallery/2024-08/scaled-1680-/M6ximage.png)](https://public.intellasoft.net/uploads/images/gallery/2024-08/M6ximage.png) 3\) From the Linphone main screen, click "Use a SIP ACCOUNT" [![image.png](https://public.intellasoft.net/uploads/images/gallery/2024-08/scaled-1680-/s99image.png)](https://public.intellasoft.net/uploads/images/gallery/2024-08/s99image.png) 4\) Fill out all the fields
Username This is the extension of the phone
PasswordSecret token for this extension.

This is a secure, machine-generated password, it is highly recommended to copy and paste this password, rather than typing it manually to avoid errors.

Incorrect passwords will result in the Phone being blocked from the voice communications server for up to 15 minutes

Domain This is the Server Hostname or IP Address of the Communications Platform
TransportUnless otherwise instructed, set to 'UDP'
[![image.png](https://public.intellasoft.net/uploads/images/gallery/2024-08/scaled-1680-/xnOimage.png)](https://public.intellasoft.net/uploads/images/gallery/2024-08/xnOimage.png) 5\) If the Domain, Username and Password combination are correct, you will next see a dialpad with a green circle at the top left. This indicates the application is connected. [![image.png](https://public.intellasoft.net/uploads/images/gallery/2024-08/scaled-1680-/yVdimage.png)](https://public.intellasoft.net/uploads/images/gallery/2024-08/yVdimage.png) ## Setting up an SBC

If you are not using an SBC, skip steps 6-8

6\) Click the top left corner 'Triple Bar' icon to open up the settings. Select 'Call' 7\) Select 'Media encryption'. Select 'SRTP' 8\) Enable 'Media encryption mandatory'
[![image.png](https://public.intellasoft.net/uploads/images/gallery/2024-08/scaled-1680-/N08image.png)](https://public.intellasoft.net/uploads/images/gallery/2024-08/N08image.png) [![image.png](https://public.intellasoft.net/uploads/images/gallery/2024-08/scaled-1680-/CWBimage.png)](https://public.intellasoft.net/uploads/images/gallery/2024-08/CWBimage.png) [![image.png](https://public.intellasoft.net/uploads/images/gallery/2024-08/scaled-1680-/V9simage.png)](https://public.intellasoft.net/uploads/images/gallery/2024-08/V9simage.png)