SBG6782 (v8.4.x): SIP Passthrough Setup

When using a VoIP phone with the SBG6782, the SIP Passthrough option in the SBG6782 may need to be enabled in order for that phone to have full functionality.  In other situations, it may be recommended by the VoIP phone manufacturer to disable SIP Passthrough.  By default, SIP Passthrough is enabled.  This document describes how to enable SIP Passthrough in SBG6782.

NOTE: If it is not known if SIP Passthrough should be enabled or disabled, please contact the VoIP phone manufacturer.

To Enable SIP Passthrough

1. Launch a Firefox or Safari browser.  Enter http://192.168.0.1 into the address box, and press the Enter key.  
   
   NOTE: A browser message on Chrome, Edge, Firefox, and Opera, may appear when accessing the Web Manager.  The message includes 192.168.01 uses an unsupported protocol and ERR_SSL_VERSION_OR_CIPHER_MISMATCH.  The Web Manager uses an earlier version of the TLS protocol and does not match the version allowed by the web browser.  Safari browsers on Apple PC and mobile devices are not impacted.  The workaround to access the Web Manager with a PC is to use the Firefox browser and set the TLS version to 1.  For workaround instructions refer to article # 19435 - 192.168.0.1 uses an unsupported protocol.
    
2. A security or private risk alert may appear on the web browser advising users to proceed with caution when accessing the Web Manager.  There is no risk in proceeding to the Web Manager.  For instructions to bypass the alert screen, refer to article # 18181 - Alert Message for Web Manager Access.
    
3. On the Login page, enter admin or a customized username in the Username field.
    
4. Enter motorola or a customized password in the Password field.
   
   NOTE 1: On later versions of the SBG6782-AC, the Wi-Fi Security Key is used as the default admin password printed on the bottom white label.  For assistance with Web Manager Access, refer to article # 18755 – SBG6782-AC: Web Manager Access.
   
   
    
   NOTE 2:  For units that have been leased or purchased by Shaw Communications, the username is cusadmin, and the password is the Customer S/N (Serial Number), located on a white sticker on the bottom of the unit.
   
   NOTE 3:  If the unit has been leased or purchased by Time Warner Cable, and the admin username and motorola password does not allow access to the GUI, please contact Time Warner for assistance.
    
5. Click the Login button.  The Home page will appear.
   
   
    
6. Move the mouse cursor over the Advanced tab and select the Options sub-link.  The Advanced - Options page will appear.
   
   
    
7. On the Advanced Options page, NAT ALG Status section:
   a.   SIP - Check Enable.
   b.   Click the Apply button.