If your Smart TV did not come with eShareServer pre-installed, you may be able to download it from your TV's App Store (often found under "Wireless Presentation" or "Productivity" categories). It is commonly found on displays from manufacturers that target the B2B market (business-to-business) or on generic Android-based Smart TVs.
If your network congestion is high, lower the streaming resolution within the EShare client app settings to reduce bandwidth strain. Audio Disconnection on iOS Eshareserver For Smart Tv
What (Android, iOS, Windows, Mac) will your primary sending device use? If your Smart TV did not come with
Setting up EShareServer requires just a few minutes and a shared network connection. Step 1: Connect to the Same Wi-Fi Network Eshareserver For Smart Tv