ACC www.accbusiness.com 800-456-6000 ATI www.ati1.com 877-757-0000 AT&T www.att.com 800-222-0400 ATX www.atx.com 800-220-4900 Bandwave www.bandwavesystems.com 888-396-7182 Broadview Networks www.broadviewnet.com 800-276-2384 Cavalier Telephone www.cavtel.com 800-683-3944 Covista www.covista.com 800-805-1000 DynaLink http://www.dynalinktel.com 877-396-2546 Global Crossing www.globalcrossing.com Ded 800-249-4672 Switch 800-466-4600   Globalinx www.globalinx.com 866-418-1495 Halloo www.halloo.com 866-898-6689 or email Support@halloo.com InfoHighway www.infohighway.com 800-320-6372 Level 3 http://www.level3.com 877-453-8353 Line Systems www.linesystems.com 888-808-6111 Local ISP http://www.localisp.com 877-562-2593 Netcarrier http://www.netcarrier.com/ 1-888-575-4754 Opex Communications www.opexld.com 888-577-7266 Paetec Communications www.paetec.com 877-340-2555 Premiere Global Services www.premiereglobal.com 800 234-2546 or 913 661-0700 Qwest www.qwest.com 800-860-1020 Savvis www.savvis.net 888-638-6771 Sprint www.sprint.com 888-322-3961 The Conference Group www.conferencegroup.com 877-716-8255 TMC www.tmccom.com 888-965-8620 TNCI www.tncii.com 800-800-8400 Total Call www.totalcallusa.com Long Distance# 800-330-6895 Internet# 800-631-4724 VOIP# 800-630-4139 UCN www.ucn.net 888-826-2344 US LEC www.uslec.com 800-978-7532 Verizon www.verizon.com 800-339-9911 XO Communications www.xo.com 800-421-3872