Our family of quality enterprise SIP Telephones, powered by Fanvil, offers customers a cost effective alternative to other more expensive SIP products. The "C" Series telephones are feature rich, easy to provision, upgradable and interoperable with the major platforms.

For more information on this award winning family of products, click here.


We offer a complete line of single-line telephones, two-line telephones, cordless telephones, key system and voice mail products. Let us assist you in selecting the best product at the best price for your application.

Cortelco offers custom contract manufacturing and OEM services. We can also provide engineering assistance, logistics and product fulfilment services.


  • 12 Series
    The 12 Series offers users basic analog to full-featured 2 line telephones with an assortment of extras. It has a silver curve design offering a contemporary look while providing the user with optimal viewing.
  • C Series IP Phones
    Cortelco now offers cost effective HD IP telephones that help users streamline voice communications across multiple IP Platforms.
  • Business Telephones
    Our various families of business telephones all provide users time-saving features at cost-saving price points.