1 files changed, 34 insertions, 0 deletions
diff --git a/telegram/utils.go b/telegram/utils.go
index 9a247c4..7fa13d3 100644
--- a/telegram/utils.go
+++ b/telegram/utils.go
@@ -253,6 +253,20 @@ func (c *Client) ProcessStatusUpdate(chatID int64, status string, show string, o
 		newArgs = append(newArgs, gateway.SPType(presenceType))
 	}
 
+	ver, ok := c.cache.GetCapsVer(chatID)
+	if !ok {
+		if c.isCallable(chat, user) {
+			ver, err = gateway.GetCapsVer([]gateway.CapsType{gateway.CapsAudio}})
+			if err != nil {
+				log.Errorf("<caps ver error: %s>", err.Error())
+			}
+		}
+		c.cache.SetCapsVer(ver)
+	}
+	if ver != "" {
+		newArgs = append(newArgs, gateway.SPCaps(ver))
+	}
+
 	return gateway.SendPresence(
 		c.xmpp,
 		c.jid,
@@ -1248,3 +1262,23 @@ func (c *Client) prepareDiskSpace(size uint64) {
 		}
 	}
 }
+
+func (c *Client) isCallable(chat *client.Chat, user, *client.User) bool {
+	if chat == nil || user == nil {
+		return false
+	}
+	chatType := chat.Type.ChatTypeType()
+	if chatType == client.TypeChatTypePrivate {
+		privateType, _ := chat.Type.(*client.ChatTypePrivate)
+		fullInfo, err := c.client.GetUserFullInfo(&client.GetUserFullInfoRequest{
+			UserId: privateType.UserId,
+		})
+		if err == nil {
+			return fullInfo.CanBeCalled && (user.Username != "" || user.PhoneNumber != "")
+		} else {
+			log.Warnf("Coudln't retrieve private chat info: %v", err.Error())
+		}
+	}
+
+	return false
+}