Links

SIP, IP-PBX & Hosted VoIP Providers

• Alteva
• AltiGen Communications
• Bandwidth.com
• Freedom IQ
• Geckotech
• IIS Group
• IP-5280
• PBfleX
• Smoothstone
• TelCentris
• Telesphere
• Thinking Phones
• Zultys

Other Telecom Resources 

• Phone+
• Telecom Association (TA)
• Broadsoft
• Hello Direct (Headsets, Etc.) 
• Erlang C Traffic Calculator (Determine # of Phone Lines You Need) 
• FreeConferenceCall.com
• Front Range Internet
• Lightyear Communications
• Qwest IP Network Statistics (Updated Monthly)
• Vanity Toll Free Number Search Tool
• BillShrink.com (Wireless Bill Analysis)
• MyValidas.com (Wireless Bill Analysis)
• VoIPmechanic.com (Great VoIP Resource)
• SlyDial.com (Direct Connection to Mobile Voicemail Boxes)