diff --git a/commands.go b/commands.go
index 819dcf4..c25db4d 100644
--- a/commands.go
+++ b/commands.go
@@ -7,7 +7,6 @@ import (
 	"github.com/kelaresg/matrix-skype/database"
 	skypeExt "github.com/kelaresg/matrix-skype/skype-ext"
 	"math"
-	"time"
 
 	"sort"
 	"strconv"
@@ -1162,6 +1161,7 @@ func (handler *CommandHandler) CommandCreate(ce *CommandEvent) {
 	}
 
 	members, err := ce.Bot.JoinedMembers(ce.RoomID)
+	handler.log.Debugln("Create Group-1", members)
 	if err != nil {
 		ce.Reply("Failed to get room members: %v", err)
 		return
@@ -1203,24 +1203,15 @@ func (handler *CommandHandler) CommandCreate(ce *CommandEvent) {
 		HistoryDisclosed: "true",
 		Topic:            roomNameEvent.Name,
 	}
-	handler.log.Debugln("Create Group", roomNameEvent.Name, "with", selfMembers)
+	handler.log.Debugln("Create Group", roomNameEvent.Name, "with", selfMembers, participants)
 	err = ce.User.Conn.HandleGroupCreate(selfMembers)
 	if err != nil {
 		ce.Reply("Failed to create group: %v", err)
 		return
 	}
-
 	participantMembers := skype.Members{}
 	for _, participant := range participants {
-		participantArr := strings.Split(participant, "@")
-		memberId := id.Dec(participantArr[0])
-		cond1 := "8-live-"
-		cond2 := "8-"
-		if strings.HasPrefix(memberId, cond1) {
-			memberId = strings.Replace(memberId, cond1, "8:live:", 1)
-		} else if strings.HasPrefix(memberId, cond2){
-			memberId = strings.Replace(memberId, cond2, "8:", 1)
-		}
+		memberId := strings.Replace(participant, skypeExt.NewUserSuffix, "", 1)
 		participantMembers.Members = append(participantMembers.Members, skype.Member{
 			Id:   memberId,
 			Role: "Admin",
diff --git a/config/config.go b/config/config.go
index 78af0fd..208ed1b 100644
--- a/config/config.go
+++ b/config/config.go
@@ -18,6 +18,7 @@ package config
 
 import (
 	"io/ioutil"
+	"maunium.net/go/mautrix/patch"
 
 	"gopkg.in/yaml.v2"
 
@@ -98,6 +99,10 @@ func (config *Config) MakeAppService() (*appservice.AppService, error) {
 	as.HomeserverURL = config.Homeserver.Address
 	as.Host.Hostname = config.AppService.Hostname
 	as.Host.Port = config.AppService.Port
+	patch.ThirdPartyIdEncrypt = true
+	patch.AsBotName = config.AppService.Bot.Username
+	patch.AsUserPrefix = "skype&"
+	patch.XorKey = "hudsds1y"
 	var err error
 	as.Registration, err = config.GetRegistration()
 	return as, err
diff --git a/portal.go b/portal.go
index d818c28..ff67b1c 100644
--- a/portal.go
+++ b/portal.go
@@ -641,10 +641,10 @@ func (portal *Portal) SyncSkype(user *User, chat skype.Conversation) {
 	} else {
 		fmt.Println("SyncSkype ensureUserInvited", portal.MXID)
 		portal.ensureUserInvited(user)
-		rep, err := portal.MainIntent().SetPowerLevel(portal.MXID, user.MXID, 95)
-		if err != nil {
-			portal.log.Warnfln("SyncSkype: SetPowerLevel err: ", err, rep)
-		}
+		//rep, err := portal.MainIntent().SetPowerLevel(portal.MXID, user.MXID, 95)
+		//if err != nil {
+		//	portal.log.Warnfln("SyncSkype: SetPowerLevel err: ", err, rep)
+		//}
 
 		//if portal.IsPrivateChat() {
 		//	preUserIds,_ :=  portal.GetMatrixUsers()
diff --git a/skype-ext/userid.go b/skype-ext/userid.go
deleted file mode 100644
index 2150b97..0000000
--- a/skype-ext/userid.go
+++ /dev/null
@@ -1,154 +0,0 @@
-package skypeExt
-
-import (
-	"bytes"
-	"encoding/hex"
-	"fmt"
-	"strings"
-)
-
-// UserID represents a Matrix user ID.
-// https://matrix.org/docs/spec/appendices#user-identifiers
-type UserID string
-
-func NewUserID(localpart, homeserver string) UserID {
-	return UserID(fmt.Sprintf("@%s:%s", localpart, homeserver))
-}
-
-func NewEncodedUserID(localpart, homeserver string) UserID {
-	return NewUserID(EncodeUserLocalpart(localpart), homeserver)
-}
-
-// Parse parses the user ID into the localpart and server name.
-// See http://matrix.org/docs/spec/intro.html#user-identifiers
-func (userID UserID) Parse() (localpart, homeserver string, err error) {
-	if len(userID) == 0 || userID[0] != '@' || !strings.ContainsRune(string(userID), ':') {
-		err = fmt.Errorf("%s is not a valid user id", userID)
-		return
-	}
-	parts := strings.SplitN(string(userID), ":", 2)
-	localpart, homeserver = strings.TrimPrefix(parts[0], "@"), parts[1]
-	return
-}
-
-func (userID UserID) ParseAndDecode() (localpart, homeserver string, err error) {
-	localpart, homeserver, err = userID.Parse()
-	if err == nil {
-		localpart, err = DecodeUserLocalpart(localpart)
-	}
-	return
-}
-
-func (userID UserID) String() string {
-	return string(userID)
-}
-
-const lowerhex = "0123456789abcdef"
-
-// encode the given byte using quoted-printable encoding (e.g "=2f")
-// and writes it to the buffer
-// See https://golang.org/src/mime/quotedprintable/writer.go
-func encode(buf *bytes.Buffer, b byte) {
-	buf.WriteByte('=')
-	buf.WriteByte(lowerhex[b>>4])
-	buf.WriteByte(lowerhex[b&0x0f])
-}
-
-// escape the given alpha character and writes it to the buffer
-func escape(buf *bytes.Buffer, b byte) {
-	buf.WriteByte('_')
-	if b == '_' {
-		buf.WriteByte('_') // another _
-	} else {
-		buf.WriteByte(b + 0x20) // ASCII shift A-Z to a-z
-	}
-}
-
-func shouldEncode(b byte) bool {
-	return b != '-' && b != '.' && b != '_' && !(b >= '0' && b <= '9') && !(b >= 'a' && b <= 'z') && !(b >= 'A' && b <= 'Z')
-}
-
-func shouldEscape(b byte) bool {
-	return (b >= 'A' && b <= 'Z') || b == '_'
-}
-
-func isValidByte(b byte) bool {
-	return isValidEscapedChar(b) || (b >= '0' && b <= '9') || b == '.' || b == '=' || b == '-'
-}
-
-func isValidEscapedChar(b byte) bool {
-	return b == '_' || (b >= 'a' && b <= 'z')
-}
-
-// EncodeUserLocalpart encodes the given string into Matrix-compliant user ID localpart form.
-// See http://matrix.org/docs/spec/intro.html#mapping-from-other-character-sets
-//
-// This returns a string with only the characters "a-z0-9._=-". The uppercase range A-Z
-// are encoded using leading underscores ("_"). Characters outside the aforementioned ranges
-// (including literal underscores ("_") and equals ("=")) are encoded as UTF8 code points (NOT NCRs)
-// and converted to lower-case hex with a leading "=". For example:
-//   Alph@Bet_50up  => _alph=40_bet=5f50up
-func EncodeUserLocalpart(str string) string {
-	strBytes := []byte(str)
-	var outputBuffer bytes.Buffer
-	for _, b := range strBytes {
-		if shouldEncode(b) {
-			encode(&outputBuffer, b)
-		} else if shouldEscape(b) {
-			escape(&outputBuffer, b)
-		} else {
-			outputBuffer.WriteByte(b)
-		}
-	}
-	return outputBuffer.String()
-}
-
-// DecodeUserLocalpart decodes the given string back into the original input string.
-// Returns an error if the given string is not a valid user ID localpart encoding.
-// See http://matrix.org/docs/spec/intro.html#mapping-from-other-character-sets
-//
-// This decodes quoted-printable bytes back into UTF8, and unescapes casing. For
-// example:
-//  _alph=40_bet=5f50up  =>  Alph@Bet_50up
-// Returns an error if the input string contains characters outside the
-// range "a-z0-9._=-", has an invalid quote-printable byte (e.g. not hex), or has
-// an invalid _ escaped byte (e.g. "_5").
-func DecodeUserLocalpart(str string) (string, error) {
-	strBytes := []byte(str)
-	var outputBuffer bytes.Buffer
-	for i := 0; i < len(strBytes); i++ {
-		b := strBytes[i]
-		if !isValidByte(b) {
-			return "", fmt.Errorf("Byte pos %d: Invalid byte", i)
-		}
-
-		if b == '_' { // next byte is a-z and should be upper-case or is another _ and should be a literal _
-			if i+1 >= len(strBytes) {
-				return "", fmt.Errorf("Byte pos %d: expected _[a-z_] encoding but ran out of string", i)
-			}
-			if !isValidEscapedChar(strBytes[i+1]) { // invalid escaping
-				return "", fmt.Errorf("Byte pos %d: expected _[a-z_] encoding", i)
-			}
-			if strBytes[i+1] == '_' {
-				outputBuffer.WriteByte('_')
-			} else {
-				outputBuffer.WriteByte(strBytes[i+1] - 0x20) // ASCII shift a-z to A-Z
-			}
-			i++ // skip next byte since we just handled it
-		} else if b == '=' { // next 2 bytes are hex and should be buffered ready to be read as utf8
-			if i+2 >= len(strBytes) {
-				return "", fmt.Errorf("Byte pos: %d: expected quote-printable encoding but ran out of string", i)
-			}
-			dst := make([]byte, 1)
-			_, err := hex.Decode(dst, strBytes[i+1:i+3])
-			if err != nil {
-				return "", err
-			}
-			outputBuffer.WriteByte(dst[0])
-			i += 2 // skip next 2 bytes since we just handled it
-		} else { // pass through
-			outputBuffer.WriteByte(b)
-		}
-	}
-	return outputBuffer.String(), nil
-}