Conference
Conference

Add conference and conference service description
voxter/kazoo-php-sdk,siplabs/kazoo-php-sdk,dhdanno/kazoo-php-sdk,2600hz/kazoo-php-sdk,dhdanno/kazoo-php-sdk,siplabs/kazoo-php-sdk,voxter/kazoo-php-sdk,2600hz/kazoo-php-sdk,2600hz/kazoo-php-sdk