Computerized on-line retail store services in the field of office phones of others, office phone headsets of others, and wireless accessories of others for cellular devices; Marketing services for the telecom products of others; Marketing services in the field of telecom and networking products; Marketing services in the nature of business to business direct marketing services in the field of office phones of others, office phone headsets, and wireless accessories of others for cellular devices and networking equipment of others; On-line retail store services featuring office phones of others, office phone headsets of others, and wireless accessories of others for cellular devices; On-line wholesale and retail store services featuring office phones of others, office phone headsets of others, and wireless accessories of others for cellular devices; Retail store services featuring office phones of others, office phone headsets of others, and wireless accessories of others for cellular devices accessible on-line and by telephone, facsimile and mail order; retail store services featuring wireless device recycling services of others; retail store services featuring wireless device repair services of others; retail store services featuring billing solutions and expense management solutions; Customization and support services for corporate office Enterprise level wireless device management programs, software, and equipment of others; customization and support services for remote Enterprise level wireless device management programs, software, and equipment of others