Problems when the Phone is not Ringing Using Verizon and Cingular
From Asterisk Australia
Q. How can I access secured websites using the Linksys VOIP router?
Note: This is normally due to a Maximum Transmit Unit (MTU) problem and some secured sites require opening ports. To enable MTU on the router, follow the instructions below.</p>
Enabling MTU on the Router
Step 1:
</strong>Determine the proper MTU size for the website.</p><p><strong>Step 2:
</strong>Access the router's web-based setup page. For instructions, click <a href="../../../../en/US/products/ps10024/products_qanda_item09186a0080a35691.shtml">here</a>.</p><p><strong>Step 3:
</strong>When the router's web-based setup page appears, set <strong>MTU</strong> to <strong>Manual</strong> and enter the proper MTU value on the <strong>Size</strong> field.</p><p></p><p><strong>Note</strong>: The recommended MTU sizes for DSL and Cable Connection are the following:</p>
<p><strong>Cable Connection</strong>: 1500<p dir="ltr"><strong>Step 4:</strong></p><p dir="ltr">Click
<strong>PPPoE DSL Connection</strong>: 1492</p>.</p><p><strong>Note</strong>: If this did not work, open ports on the router. For instructions, follow the steps below. </p></blockquote><p><strong>Opening Ports for Secured Sites</strong></p>
<p><strong>Step 1:
</strong>Access the router's web-based setup page. For instructions, click <a href="../../../../en/US/products/ps10024/products_qanda_item09186a0080a35691.shtml">here</a>.</p><p><strong>Step 2:
</strong>When the router's web-based setup page appears, click <strong>Applications