https://archivedforum.beoworld.org:443/forums/20.aspxThe North American market differs slightly from that in Europe. For those in Canada, Mexico and the USA, this forum will help resolve those differences and answer your questions.enCommunityServer 2008 SP2 (Build: 31104.93)https://archivedforum.beoworld.org:443/forums/thread/308860.aspxFri, 07 Jan 2011 20:57:19 GMT41a2a90c-3a1e-4bd3-b144-3883695a7f38:308860bigbyx0https://archivedforum.beoworld.org:443/forums/thread/308860.aspxhttps://archivedforum.beoworld.org:443/forums/commentrss.aspx?SectionID=20&PostID=308860<p>I have several Beo Com 4 phones. &nbsp;One is giving me a no dial tone message even though I know the line is OK. &nbsp;I plugged another phone in and it worked fine. The phone is about 4 years old and has always worked fine in that same jack. Any ideas?</p><div style="clear:both;"></div>