Toll Free Termination at no charge.

VoipPlus offers FREE Toll Free Termination service for all your calls in the United States! Our FREE call termination delivers guaranteed superior call quality, service, and reliability by utilizing our nationwide network of partners. 

No account nor sip registration is required.

Toll Free Termination service offered by VoipPlus does not require payment, account setup nor sip device registration.

Sip setup details.

Number format  i.e 1800NXXXXXX
DTMF mode RFC2833
Fax Support T.38 or pass-through
Sip Server
Sip Port 5060

Termination for all US toll free prefixes.

VoipPlus will terminate calls to 1800, 1833, 1844, 1855, 1866, 1877 and 1888.

Asterisk Configuration example.




exten => _1800NXXXXXX,1,Dial(SIP/voipplus/${EXTEN})
exten => _1833NXXXXXX,1,Dial(SIP/voipplus/${EXTEN})
exten => _1844NXXXXXX,1,Dial(SIP/voipplus/${EXTEN})
exten => _1855NXXXXXX,1,Dial(SIP/voipplus/${EXTEN})
exten => _1866NXXXXXX,1,Dial(SIP/voipplus/${EXTEN})
exten => _1877NXXXXXX,1,Dial(SIP/voipplus/${EXTEN})
exten => _1888NXXXXXX,1,Dial(SIP/voipplus/${EXTEN})

Minimum requirements and Limitations.

Anyone may send own Identity sip header. If Identity header is not sent we will generate C attestation shaken certificate.
Calls without valid caller ID will be rejected, i.e. “anonymous” as caller ID number will not be terminated.
If your test calls are not going through, check sip respond from our server.
There are limits per minute, source IP, destination and other parameters to limit abuse, spoofing and attacks against TF owners. VoipPlus reserves the right to block any IP for any reason.
Please behave nice and respect the service.
NAT is not supported and we recommend to use ulaw.