depends on where you are in the world. Generally speaking, somewhere around 8 to 12. There are many advantages to PRI over POTS: ) "Instantaneous" call setup. ) Higher reliability. ) Less cabling behind the server. ) Better support from your provider. ) More features. ) Better audio quality. IMO, you should always use a PRI unless you can't afford it. -- Thanks in advance, ------------------------------------------------------------------------- Steve Edwards sedwards at sedwards.com Voice: +1-760-468-3867 PST Newline Fax: +1-760-731-3000