Grandstream HT-286/HT-287 Configuration Print

Please note the following settings in your Grandstream device:

SIP Server: sip.nrtel.ca

Outbound Proxy: sip.nrtel.ca

SIP UserID: Your 7 digit extension account number

Preferred Vocoder: PCMU

Send DTMF: via RTP (RFC2833) Please ONLY select RTP