Pessoal estou usando o issabel com a versão 11 do asterisk, estou tendo serios problemas, já venho a dias trabalhando nisto e pesquisando muitos forum e lendo muita documentação, meu ambiente é este que está configurado, pretendo trabalhar com o click2call 
sip.conf
[general]
realm=meudominio.com.br
avpf=yes
srvlookup=yes
[1060] ; This will be WebRTC client
type=friend
qualify=yes
username=1060 ; The Auth user for SIP.js
host=dynamic ; Allows any host to register
secret=1060 ; The SIP Password for SIP.js
encryption=yes ; Tell Asterisk to use encryption for this peer
avpf=yes ; Tell Asterisk to use AVPF for this peer
icesupport=yes ; Tell Asterisk to use ICE for this peer
context=from-pstn ; Tell Asterisk which context to use when this peer is dialing
directmedia=no ; Asterisk will relay media for this peer
transport=udp,ws,wss ; Asterisk will allow this peer to register on UDP or WebSockets
force_avp=yes ; Force Asterisk to use avp. Introduced in Asterisk 11.11
dtlsenable=yes ; Tell Asterisk to enable DTLS for this peer
tlscertfile=/etc/letsencrypt/live/meudominio.com.br/cert.pem
tlsprivatekey=/etc/letsencrypt/live/meudominio.com.br/privkey.pem
dtlssetup=actpass ; Tell Asterisk to use actpass SDP parameter when setting up DTLS
rtcp_mux=yes ; Tell Asterisk to do RTCP mux
nat=yes
[1061] ; This will be the legacy SIP client
type=friend
username=1061
host=dynamic
secret=1061
context=from-pstn
http.conf
[general]
enabled=yes
enablestatic=yes
bindaddr=0.0.0.0
bindport=8088
tlsenable=yes
tlsbindaddr=0.0.0.0:8089
tlscertfile=/etc/letsencrypt/live/meudominio.com.br/cert.pem
tlsprivatekey=/etc/letsencrypt/live/meudominio.com.br/privkey.pem
rtp.conf
[general]
rtpstart=1000
rtpend=65000
icesupport=yes
stunaddr=stun.l.google.com:19302
ssl.conf
Listen 443 https
Listen 8089 https
SSLPassPhraseDialog exec:/usr/libexec/httpd-ssl-pass-dialog
SSLSessionCache shmcb:/run/httpd/sslcache(512000)
SSLSessionCacheTimeout 300
SSLRandomSeed startup file:/dev/urandom 256
SSLRandomSeed connect builtin
SSLCryptoDevice builtin
<VirtualHost default:443>
ErrorLog logs/ssl_error_log
TransferLog logs/ssl_access_log
LogLevel warn
SSLEngine on
SSLCertificateFile /etc/letsencrypt/live/meudominio.com.br/cert.pem
SSLCertificateKeyFile /etc/letsencrypt/live/meudominio.com.br/privkey.pem
SSLCertificateChainFile /etc/letsencrypt/live/meudominio.com.br/chain.pem
<Files ~ ".(cgi|shtml|phtml|php3?)$">
SSLOptions +StdEnvVars
</Files>
<Directory "/var/www/cgi-bin">
SSLOptions +StdEnvVars
</Directory>
BrowserMatch "MSIE [2-5]" \
nokeepalive ssl-unclean-shutdown \
downgrade-1.0 force-response-1.0
CustomLog logs/ssl_request_log \
"%t %h %{SSL_PROTOCOL}x %{SSL_CIPHER}x \"%r\" %b"
RewriteEngine on
ProxyRequests Off
ProxyPreserveHost on
ProxyPass /wss/ wss://meudominio.com.br:8089/
ProxyPassReverse /wss/ wss://meudominio.com.br:8089/
</VirtualHost>
estou encontrando o seguinte erro, quando tento logar no projeto sipml5
==stack event = starting
tsip_transport.js?svn=252:359 WebSocket connection to 'wss://click.cvv.virgos.com.br:8089/ws' failed: Error in connection establishment: net::ERR_SSL_PROTOCOL_ERROR
tsip_transport_ws_start @ tsip_transport.js?svn=252:359
start @ tsip_transport.js?svn=252:53
tsip_transport.start @ tsip_transport.js?svn=252:116
tsip_stack.start @ tsip_stack.js?svn=252:373
SIPml.Stack.start @ SIPml.js?svn=252:1208
sipRegister @ call.htm:398
onclick @ VM608 call.htm:1182
tsk_utils.js?svn=252:116 tsip_transport_ws_onerror
tsk_utils.js?svn=252:116 tsip_transport_ws_onclose
tsk_utils.js?svn=252:116 ==stack event = failed_to_start
