hello I have the following configuration of one troncal SIP,in order to remove calls through a supplier from voice ,the supplier is in the USA , they suggest to use the codecs g729 , which we got and installed it , I want to know the way we could optimize the comunication with is listening in a dificult way,not very clear , which opcion of configuration could use in troncales SIP in order to get the better quality. this is my present configuration: [voip_sip] disallow=all allow=g729 qualify=yes tos=184 ;allow=gsm ;allow=ulaw ;allow=alaw ;allow=all ;allow=ulaw ;allow=alaw ;disallow=all host= XXX.XXX.XXX.XXX type=peer Thanks for your answers. Aldo Leyva -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20060622/49ec0410/attachment.htm