Yes this is possible. Using the HTTPS forwarding feature of the IntelliSoftware Virtual Dedicated Number, it is possible to forward messages to a Chat on Telegram

Telegram Setup

1) Open Telegram messenger, sign in to your account or create a new one

2) Create a bot:

• Enter @Botfather in the search tab and choose the @Botfather bot
  
• Click “Start” to activate BotFather bot.
  
• Choose or type the /newbot command and send it
  
• Enter bot name e.g. IntelliSMS
  
• Enter a username for the bot, e.g. IntelliSMSBot
  
• The reply will include the token to access the HTTP API, record this to use later

3) Created a Channel:

• Click "New channel"
  
• Enter Channel name: TestChannel
  
• Click "Next"
  
• Select "Private channel"
  
• Click "Save"

4) Create the chat:

• Open the channel TestChannel
  
• On the channel menu, select "Manage Channel"
  
• Click on "Add a group" in the discussion
  
• Click on "Create a new group"
  
• Group name: TestChannelChat
  
• Click "Create"
  
• Click "Save"

5) Add the bot to the new group:

• Open the group TestChannelChat
  
• On the right panel, I click "add member"
  
• Add the bot IntelliSMSBot
  
• Click "Add"
  
• Right click on the newly added user in the chat and select "Promote to admin"
  
• Click "Save"

6) Get the chat id:

• Invite @RawDataBot to your group (TestChannelChat).
  
• Upon joining it will output a JSON file where your chat id will be located at message.chat.id, record this to use later
  

     "message": {
          "chat": {
              "id": -5645626768,
              "title": ...,
             "type": "group",
              ...
         }
         ...
     }

  Be sure to kick @RawDataBot from your group afterwards.

IntelliSoftware Setup

1) Login to your IntelliSoftware SMS account

• Configure SMS forwarding:
  
• Click on Settings (along the top)
  
• Click on Forwarding (on the left)
  
• Check ‘Enable incoming message forwarding’ for your virtual number
  
• Select Forwarding Type: HTTP
  
• Entry URL:
  

  https://api.telegram.org/bot{HTTP API Access Token}/sendMessage?chat_id={Chat Id}

  Replace {HTTP API Access Token} and {Chat Id} with the values previously obtained (do not include the curly brackets).
  NOTE: Do not miss the 'bot' before the {HTTP API Access Token}

Is it possible to receive a message on a Virtual Number to a Telegram Chat?