diff --git a/crates/sip-core/src/transport/parse.rs b/crates/sip-core/src/transport/parse.rs
index 4f35e64..cfafb1e 100644
--- a/crates/sip-core/src/transport/parse.rs
+++ b/crates/sip-core/src/transport/parse.rs
@@ -41,7 +41,7 @@ pub fn parse_complete(parser: Parser, bytes: &[u8]) -> Result<CompleteItem, Erro
 }
 
 fn parse_complete_stun(bytes: &[u8]) -> Result<CompleteItem, Error> {
-    let msg = match Message::parse(bytes.into()) {
+    let msg = match Message::parse(bytes) {
         Ok(msg) => msg,
         Err(e) => {
             log::warn!("failed to parse complete stun message, {}", e);
diff --git a/crates/sip-core/src/transport/resolver.rs b/crates/sip-core/src/transport/resolver.rs
index d68cb1e..e40b1a6 100644
--- a/crates/sip-core/src/transport/resolver.rs
+++ b/crates/sip-core/src/transport/resolver.rs
@@ -275,7 +275,7 @@ async fn resolve_a_records(
 fn filter_no_records<T>(e: Result<T, ResolveError>) -> Result<Option<T>, ResolveError> {
     match e {
         Ok(t) => Ok(Some(t)),
-        Err(e) if e.proto().map_or(false, |p| p.is_no_records_found()) => Ok(None),
+        Err(e) if e.proto().is_some_and(|p| p.is_no_records_found()) => Ok(None),
         Err(e) => Err(e),
     }
 }
diff --git a/crates/sip-core/src/transport/stun_user.rs b/crates/sip-core/src/transport/stun_user.rs
index e757ef0..95149b0 100644
--- a/crates/sip-core/src/transport/stun_user.rs
+++ b/crates/sip-core/src/transport/stun_user.rs
@@ -4,7 +4,7 @@ use std::io;
 use std::net::SocketAddr;
 use stun::{IncomingMessage, StunEndpointUser};
 use stun_types::attributes::{MappedAddress, Software, XorMappedAddress};
-use stun_types::{transaction_id, Class, MessageBuilder, Method};
+use stun_types::{Class, MessageBuilder, Method, TransactionId};
 
 pub struct StunUser;
 
@@ -42,7 +42,7 @@ impl Transports {
             return Ok(transport.sent_by());
         }
 
-        let tsx_id = transaction_id();
+        let tsx_id = TransactionId::random();
 
         let mut msg = MessageBuilder::new(Class::Request, Method::Binding, tsx_id);
         msg.add_attr(&Software::new("ezk")).unwrap();