We are a Cisco Partner and we specialize in Cisco VoIP AS5350, AS5400, AS54HPX, AS5850 Universal Gateways, PGW-2200 SS7/C7 PSTN SoftSwitch Solutions, SIP Proxy Server Solutions, Calling Card Platform Solutions, Prepaid/Postpaid Platform Solutions, CMS Billing Platform Solutions, Call Relay Billing Platforms, WholeSale VoIP Billing Solution, 1-800 International/Universal Toll Free Services, Call Center Build-Outs/Consulting, VoIP Engineering, VoIP Consulting, International WholeSale Minutes, Quintum VoIP Products, SunSet Learning (CCNA, CCNP, CCIE & Other Certifactions), Patton VoIP Products, Excel VoIP/SS7 Products and much much more...Visit us online www.doretel.com