set styles for MessageCall

Change-Id: I6c795f6d12a1081a2bfbd2f66ee9dc82d280a7ca
diff --git a/client/src/locale/en/translation.json b/client/src/locale/en/translation.json
index a7de038..a0bae10 100644
--- a/client/src/locale/en/translation.json
+++ b/client/src/locale/en/translation.json
@@ -4,6 +4,10 @@
   "conversation_title_three": "{{member0}}, {{member1}} and {{member2}}",
   "conversation_title_four": "{{member0}}, {{member1}}, {{member2}}, +1 other member",
   "conversation_title_more": "{{member0}}, {{member1}}, {{member2}}, +{{excess}} other members",
+  "message_call_outgoing_missed": "Missed outgoing call",
+  "message_call_incoming_missed": "Missed incoming call",
+  "message_call_outgoing": "Outgoing call - {{duration}}",
+  "message_call_incoming": "Incoming call - {{duration}}",
   "message_swarm_created": "Swarm created",
   "message_user_joined": "{{user}} joined",
   "message_input_placeholder_one": "Write to {{member0}}",