sometimes when I call the phone is silent The problem there 'even on calls between internal Asterisk version 1.8.5 codecs used in the sip-trunk are: disallow = all allow = ulaw allow = alaw allow = gsm and users.conf: allow = ulaw allow = alaw allow = gsm This configuration worked perfectly Asterisk 1.6.11 Asterisk 1.8.5 but in no Can you help me? thanks --