e4SIP Telecommunication Services

We provide to businesses and individuals access to a Voice over Internet Protocol (VoIP) telecommunications and messaging services covering most North American markets through our parent company, United Internet Services, an FCC licensed Interconnected VoIP provider.

Account Activations

To begin the account activation process, please complete this form.

Customer Portal

Customer Portal

Login

https://portal.e4sip.com/

Customer Support

Contact Customer Support

E-Mail

support@uisvcs.com

Ticketing

https://desk.support.uisvcs.com/help/4143043184

Phone

(231) 427-9000

Documentation

Miscellaneous Documentation

API Endpoints

api.e4sip.com

Terms & Conditions

Legal