diff --git a/contrib/scripts/sip_to_pjsip/sip_to_pjsip.py b/contrib/scripts/sip_to_pjsip/sip_to_pjsip.py
index 890921673b..a3131965d9 100755
--- a/contrib/scripts/sip_to_pjsip/sip_to_pjsip.py
+++ b/contrib/scripts/sip_to_pjsip/sip_to_pjsip.py
@@ -440,6 +440,9 @@ peer_map = [
 
     ['host',               from_host],           # contact, max_contacts
     ['qualifyfreq',        set_value('qualify_frequency', type='aor')],
+    ['maxexpiry',          set_value('maximum_expiration', type='aor')],
+    ['minexpiry',          set_value('minimum_expiration', type='aor')],
+    ['defaultexpiry',      set_value('default_expiration', type='aor')],
 
 ############################# maps to auth#####################################
 #        type = auth