refactor: Simplify call log code
diff --git a/erpnext/telephony/doctype/call_log/call_log.py b/erpnext/telephony/doctype/call_log/call_log.py
index 7725e71..1d6839c 100644
--- a/erpnext/telephony/doctype/call_log/call_log.py
+++ b/erpnext/telephony/doctype/call_log/call_log.py
@@ -24,12 +24,10 @@
 		lead_number = self.get("from") if self.is_incoming_call() else self.get("to")
 		lead_number = strip_number(lead_number)
 
-		contact = get_contact_with_phone_number(strip_number(lead_number))
-		if contact:
+		if contact := get_contact_with_phone_number(strip_number(lead_number)):
 			self.add_link(link_type="Contact", link_name=contact)
 
-		lead = get_lead_with_phone_number(lead_number)
-		if lead:
+		if lead := get_lead_with_phone_number(lead_number):
 			self.add_link(link_type="Lead", link_name=lead)
 
 		# Add Employee Name
@@ -70,28 +68,30 @@
 		self.append("links", {"link_doctype": link_type, "link_name": link_name})
 
 	def trigger_call_popup(self):
-		if self.is_incoming_call():
-			scheduled_employees = get_scheduled_employees_for_popup(self.medium)
-			employees = get_employees_with_number(self.to)
-			employee_emails = [employee.get("user_id") for employee in employees]
+		if not self.is_incoming_call():
+			return
 
-			# check if employees with matched number are scheduled to receive popup
-			emails = set(scheduled_employees).intersection(employee_emails)
+		scheduled_employees = get_scheduled_employees_for_popup(self.medium)
+		employees = get_employees_with_number(self.to)
+		employee_emails = [employee.get("user_id") for employee in employees]
 
-			if frappe.conf.developer_mode:
-				self.add_comment(
-					text=f"""
+		# check if employees with matched number are scheduled to receive popup
+		emails = set(scheduled_employees).intersection(employee_emails)
+
+		if frappe.conf.developer_mode:
+			self.add_comment(
+				text=f"""
 					Scheduled Employees: {scheduled_employees}
 					Matching Employee: {employee_emails}
 					Show Popup To: {emails}
 				"""
-				)
+			)
 
-			if employee_emails and not emails:
-				self.add_comment(text=_("No employee was scheduled for call popup"))
+		if employee_emails and not emails:
+			self.add_comment(text=_("No employee was scheduled for call popup"))
 
-			for email in emails:
-				frappe.publish_realtime("show_call_popup", self, user=email)
+		for email in emails:
+			frappe.publish_realtime("show_call_popup", self, user=email)
 
 	def update_received_by(self):
 		if employees := get_employees_with_number(self.get("to")):
@@ -154,8 +154,8 @@
 						ELSE 0
 					END
 				)=0
-			""",
-				dict(phone_number="%{}".format(number), docname=doc.name, doctype=doc.doctype),
+				""",
+				dict(phone_number=f"%{number}", docname=doc.name, doctype=doc.doctype),
 			)
 
 			for log in logs:
@@ -175,7 +175,7 @@
 		filters={"parenttype": "Call Log", "link_doctype": doctype, "link_name": docname},
 	)
 
-	logs = set([log.parent for log in logs])
+	logs = {log.parent for log in logs}
 
 	logs = frappe.get_all("Call Log", fields=["*"], filters={"name": ["in", logs]})