Elingdo provides a full spectrum of AVAYA products and their specialized services. We also have a free telephone support (400-650-8188) to all AVAYA users nationwide. We are dedicated to promoting the ‘total process’ services. We are building on the call center and UC maintenance for AVAYA products. We continue to expand and further the denotation and connotation of the services. We will always let customers feel the easiness and added value in business communication and IT fields.