Telecommunication services, namely, transmission of voice calls, SMS messages, and MMS messages; providing voice call transmission services using Session Initiation Protocol (SIP) and public switched telephone network (PSTN) connectivity; providing telephony connections between artificial intelligence voice agents and customers; electronic transmission and delivery of voice messages and text messages; providing telecommunications connections for softphone services enabling human-to-human dialing and artificial intelligence-enabled dialing through customer relationship management (CRM) systems; providing telecommunications infrastructure services for the electronic transmission and delivery of voice and text communications