Cisco Unified Wireless IP Phone 7925G Multi-Charger The multi-charger is ideal for environments in which users have multiple shifts and must keep their Cisco Unified Wireless IP Phones 7925G charged throughout the day. The multi-charger can charge up to six phones and six phone batteries simultaneously. Its flexible design allows the unit to be placed on a desk or mounted on a wall to save space. The multi-charger will be available in Q1CY09.