There appears to be an issue in phone.php for ther Cisco 78XX template which prevents the phones from automatically provisioning from the generated file.
Line 38 $this->config_file_replacements['$mac']=strtoupper($this->mac);
Should be
$this->config_file_replacements['$mac']=strtolower($this->mac);
There appears to be an issue in phone.php for ther Cisco 78XX template which prevents the phones from automatically provisioning from the generated file.
Line 38 $this->config_file_replacements['$mac']=strtoupper($this->mac);
Should be
$this->config_file_replacements['$mac']=strtolower($this->mac);