-- pbx.config
ALTER TABLE pbx.config MODIFY COLUMN id int(10) unsigned NOT NULL;
ALTER TABLE pbx.config ADD CONSTRAINT config_check CHECK (id = 1);

-- pbx.followmeConfig
ALTER TABLE pbx.followmeConfig MODIFY COLUMN id int(10) unsigned NOT NULL;
ALTER TABLE pbx.followmeConfig ADD CONSTRAINT followmeConfig_check CHECK (id = 1);

-- pbx.queueConfig (Tiene más de 1 registro en producción)
-- ALTER TABLE pbx.queueConfig MODIFY COLUMN id int(10) unsigned NOT NULL;
-- ALTER TABLE pbx.queueConfig ADD CONSTRAINT queueConfig_check CHECK (id = 1);

-- pbx.sipConfig
ALTER TABLE pbx.sipConfig MODIFY COLUMN id mediumint(8) unsigned NOT NULL;
ALTER TABLE pbx.sipConfig ADD CONSTRAINT sipConfig_check CHECK (id = 1);