diff --git a/Sources/Extensions/String/String+TelpromptURL.swift b/Sources/Extensions/String/String+TelpromptURL.swift
index 9b614352..cd2dc930 100644
--- a/Sources/Extensions/String/String+TelpromptURL.swift
+++ b/Sources/Extensions/String/String+TelpromptURL.swift
@@ -25,7 +25,7 @@ import Foundation
 public extension String {
     /// Telprompt url of arbitrary phone number. Can be nil if processed final string is not a valid URL.
     var telpromptURL: URL? {
-        let characterSet = CharacterSet(charactersIn: "+0123456789")
+        let characterSet = CharacterSet(charactersIn: "+*0123456789")
         let cleanPhoneNumber = components(separatedBy: characterSet.inverted).joined()
 
         if let escapedPhoneNumber = cleanPhoneNumber.addingPercentEncoding(withAllowedCharacters: characterSet),