Configure Fax Voip T.38 Modem with Callcentric

Popular SIP provider in the United States. Callcentric supports both T.38 and audio faxes. This service provider also offers phone numbers in the US/Canada and many other countries.

Callcentric

 

www.callcentric.com Sign Up

 

Configure SIP account

SIP account

 

Username (or SIP-ID): the phone number provided by the Callcentric

Password: password

SIP Registrar Server: callcentric.com

 

Configure Outgoing Call Routing

Outgoing Call Routing

 

On the General page, in the Dial on Line area, check that the following settings are used:

VOIP Protocol: SIP

Dial on SIP Server: callcentric.com

Username: the phone number provided by the Callcentric

 

General Settings

 

On the Fax page, in the Fax Support area, make sure that Send T.38 re-invite option is selected.

 

Fax Settings

 

Configure Incoming Call Routing

On the Fax page, in the Fax Support area, make sure that T.38 fax option is selected.

 

Incoming Call Routing