diff --git a/week3/call-simpler.py b/week3/call-simpler.py
index aead28f..f5a98b6 100644
--- a/week3/call-simpler.py
+++ b/week3/call-simpler.py
@@ -4,7 +4,7 @@ import os
 import time
 import subprocess
 import random
-#logging.getLogger().setLevel(5)
+logging.getLogger().setLevel(5)
 
 sim800l = SIM800L(port='/dev/serial0', baudrate=115000, timeout=3.0)
 audios = ["love1.wav", "love2.wav", "love3.wav"]
@@ -17,9 +17,8 @@ time.sleep(3)
 
 while True:
 	activecall = sim800l.command("AT+CPAS\n")   #check if someone is calling or not
-	if "+CPAS: 3" in activecall:                #if someone is calling
-		print("some one is calling")          
-		time.sleep(3)                       #wait 3 seoncds
+	if "3" in activecall:                #if someone is calling
+		print("some one is calling")
 		sim800l.command("ATA\n")            #answer the phone
 		audio = random.choice(audios)
 		print("playing python file")
@@ -29,5 +28,5 @@ while True:
 			callisactive = sim800l.command("AT+CPAS\n")
 			if "+CPAS: 0" in callisactive:   #call is not active anymore
 				print ("call stopped")
-				os.system("killall play")
+				os.system("sudo killall play")
 				break
diff --git a/week3/call.py b/week3/call.py
index 9167162..bd0cdbc 100644
--- a/week3/call.py
+++ b/week3/call.py
@@ -2,7 +2,7 @@ from sim800l import SIM800L
 import logging
 import os
 import time
-import subprocess
+#import subprocess
 #logging.getLogger().setLevel(5)
 
 sim800l = SIM800L(port='/dev/serial0', baudrate=115000, timeout=3.0)
@@ -20,15 +20,15 @@ while True:
 		time.sleep(3)                       #wait 3 seoncds
 		sim800l.command("ATA\n")            #answer the phone
 		print("playing python file")
-		# os.system("play test.wav &")
-		p = subprocess.Popen([sys.executable, 'audio.py'], 
-                                    stdout=subprocess.PIPE, 
-                                    stderr=subprocess.STDOUT)
+		os.system("play test.wav &")
+		#p = subprocess.Popen([sys.executable, 'audio.py'], 
+                                    #stdout=subprocess.PIPE, 
+                                    #stderr=subprocess.STDOUT)
 		while True: 
 			#check if call is still active
 			callisactive = sim800l.command("AT+CPAS\n")
 			if "+CPAS: 0" in callisactive:   #call is not active anymore
 				print ("call stopped")
-				# os.system("killall play")
-				p.terminate()
+				os.system("killall play")
+				#p.terminate()
 				break
diff --git a/week3/receivecalls.py b/week3/receivecalls.py
new file mode 100644
index 0000000..1983e80
--- /dev/null
+++ b/week3/receivecalls.py
@@ -0,0 +1,53 @@
+from sim800l import SIM800L
+import logging
+import os
+import time
+logging.getLogger().setLevel(5)
+
+play = False
+call = False
+audios = ["love1.wav", "love2.wav", "love3.wav"]
+sim800l = SIM800L(port='/dev/serial0', baudrate=115000, timeout=3.0)
+print(sim800l.command("ATS0=0\n"))
+time.sleep(2)
+print(sim800l.command("AT\n"))
+time.sleep(5)
+#print(sim800l.command("AT+DDET=1\n"))
+#time.sleep(3)
+#print("<>")
+time.sleep(3)
+
+while True:
+	if call is False:
+		try:
+			activecall = sim800l.command("AT+CPAS\n", waitfor=1500)   #check if someone is calling or not
+		except:
+			activecall = ""
+		print(activecall)
+		r = sim800l.check_incoming()
+		print(r)
+	if r[-1] is not None and "3" in r[-1] and call is False:                #if someone is callin
+		print("some one is calling")          
+		call = True
+		time.sleep(1)                       #wait 3 seoncds
+		sim800l.command("ATA\n")            #answer the phone
+		if play is False:
+			print("playing sound file")
+			import random
+			audio = random.choice(audios)
+			os.system("play " + audio + " &")
+			play = True
+			#check =sim800l.command("AT+DDET=?\n")
+			#print(check)
+		while True: 
+			#check if call is still active
+			callisactive = sim800l.command("AT+CPAS\n")
+			r = sim800l.check_incoming()
+			print(r)
+			if r[-1] is not None:
+				if "0" in r[-1]:   #call is not active anymore
+					print ("call stopped")
+					os.system("sudo killall play")
+					call = False
+					play = False
+					break