Updated May 2015

Prerequisites

• Familiarity with configuring Switchvox
• Administrative access to your Switchvox PBX
• A valid OnSIP Hosted PBX account
• An OnSIP Trunking enabled user

Step 1: Gather information for the OnSIP Trunking User

You will need the following information from the OnSIP Trunking User in the Admin portal:

• Username
• Auth Username
• SIP Password
• Domain

You can find this information in the user detail pages under the Users tab in the Phone Configuration section.

Step 2 Add the OnSIP Trunking user as a SIP Provider in Switchvox

Log in to your Switchvox PBX

• Click on "VOIP Providers" from the "Setup" drop down menu in the upper left
• Click on "Create SIP Provider"
• Under the "Provider Information" section
  Complete or verify the following:
  
"SIP Provider Name": (a unique name for this trunk)
"Your Account ID": (your username)
"Your Password": (your SIP password)
"Hostname/IP Address": (your sip domain)
"Callback extension": (extension or IVR )
"DTMF Mode": RFC2833 (default)


• 

• Under the "Peer Settings" section
  Complete or verify the following:
  
"Host Type": "Provider"
"Apply Incoming Call Rules to Provider": "Yes"


• 

• Under "CallerID Settings" section
  Complete or verify the following:
  
"Supports Changing Caller ID": "YES"
"Caller-ID Method": "P asserted identity"
"Caller-ID Name": (your inbound DID)
"Caller ID Number": (leave blank)


• 

• Under Conenction Settings
  Complete or verify the following fields:
  
"SIP Port": 5060
"SIP Expiry": (leave at default)
"Proxy Host": (your sip domain)
"Authentication User": (Auth user)
"Always Trust this Provider": "YES"


• 

• Click on "Save SIP Provider" and wait for the page to reload
• Click on "Go to Connection Status" and wait for the page to reload
• Verify SIP Provider state indicates "Registered"

Step 3 Set the Outbound Call Prefix

Login in to your Switchvox PBX

• It is important that all outbound SIP Invites should be of the format:
  1 NPA-NXX-NXXX
  example: 1 212 555 5555
  where , 1 212 555 5555 is the outbound number you wish to dial

• Under the "Call Through" section select OnSIP provider account you configured under the "VOIP Providers" section
• Click on the "Save Outgoing Call Rule" button
  
  

Step 4: Make test calls

Verify connectivity and correct signaling by placing test calls against a land line or cell phone.
You may need to make minor adjustments to your dialplan depending on your individual configuration.