When I call this :- (void)initiateEncryptionWithUsername:(NSString_)recipient accountName:(NSString_)accountName protocol:(NSString*)protocol I got return encoded message from : - (void) otrKit:(OTRKit_)otrKit updateMessageState:(OTRKitMessageState)messageState username:(NSString_)username accountName:(NSString_)accountName protocol:(NSString_)protocol The return is : ?OTRv23? <b>6285959451661@[ipaddress]</b> has requested an <a href="https://otr.cypherpunks.ca/">Off-the-Record private conversation</a>. However, you do not have a plugin to support that. See <a href="https://otr.cypherpunks.ca/">https://otr.cypherpunks.ca/</a> for more information. Any solution for this?