ADTRAN 220T1 - Manual (Page 20)

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In the “Trunks” section click on “Trunk Accounts”, this action brings up the “Add / Modify / Delete Trunk
Accounts” page. You will need to add two separate trunk accounts (one for SIP and one for ISDN). We‟ll add the
SIP trunk account first:
1. Define a “Trunk Name:” that is appropriate, we chose Bandwith.com
2. Set the “Type:” to “SIP”
3. Click on the “Add” radio button.
This action brings up the “Trunk Accounts > Txx” page which includes a “Trunk Status” section and “Edit SIP
Trunk” section. We‟ll begin with the “Trunk Status” section:
1. The “Operational Status:” may be “ Unavailable
” after you apply ALL of the settings it will become
“ Available ”.
2. Verify that the “Administrative Status:” is “Enabled”.
3. Click on the “Apply” radio button. You will get the message “
Administrative status set successfully
”.
Scroll down to the “Edit SIP Trunk Section”:
The “Trunk ID:” will be auto assigned, but in general will be “T01”, the “Type:” should be “SIP”, if it‟s not “SIP
then you added the “Trunk Group” incorrectly, be sure to add the “Type” as “SIP” above. Define a “Trunk
Name:”, this can be anything you choose, we set the name as “Bandwidth.com”, there isn‟t a need to modify any of
the other parameters in this section.
Scroll down to the “SIP Settings” tab: