Mozdial is a Mozilla/Firefox add-on that allows you to dial telephone numbers listed on web sites. This requires an Asterisk VoIP server and access to the Asterisk management port.

Birdcall is a Thunderbird add-on that allows you to dial telephone numbers listed in email messages.

mozdial.pdf

Installation and configuration instructions for mozdial.xpi.

mozdial.xpi

Mozilla/Firefox add-on to dial phone numbers found on web pages. Requires Asterisk.

birdcall.pdf

Installation and configuration instructions for birdcall.xpi.

birdcall-1.3.xpi

Thunderbird 3.0 add-on to dial phone numbers found in email messages.

birdcall.xpi

Thunderbird 2.x add-on to dial phone numbers found in email messages.