Teliax works for me, generally. I don't know why but no other provider does. I suspect the other translate to G729 and send SIP. -- Chris Mason NetConcepts (264) 497-5670 Fax: (264) 497-8463 Int: (305) 704-7249 Fax: (815)301-9759 Cell: 264-235-5670 Yahoo IM: netconcepts_anguilla at yahoo.com