All-In-One CTI is a computer telephony integration between SugarCRM and most popular PBXs. Easy install. Stable work. 100% support.

Avaya Integration is a computer telephony integration between SuiteCRM and Avaya PBX. Add-on supports PBX "Avaya IP Office"

Any Telephony Connector is a computer telephony integration between SuiteCRM and all modern PBXs provided by VoIP softphone provider, Softphone.Pro.