Once you have your SIP credentials and from your RingCentral account you can configure the M300 or M700

1. Configure the Server configuration on the M300/M700

a. Navigate to the Servers section from the Web User Interface of the M300/M700 and select "Add Server"

b. Enter a 10-character Server Alias, Registrar and Outbound Proxy

c. Once the information is added, click "Save" at the bottom of the page.

2. Create the handset/extension by navigating to the "Extensions" section of the M300/M700 Web User Interface

a. Click "Add extension"

b. Using the RingCentral settings from above as and example, enter the following information in the following fields and select the IPEI of the handset (you can select more than one handset on the M300);

Authentication User Name:1111111111
Authentication Password:AAAAAA
Display Name:This will display on the handset. Something like "Front Desk"
Mailbox Name:
Mailbox Number:10000000000
Server:RingCentra: sip.ringcental.com:5060

b. When finished, click "Save" at the bottom of the page.

3. When complete you can then select the handset/extension from the list by entering a check next to the extension and click "Start SIP Registration" IF the State does not say "SIP Registered" already.