Guangzhou domain technology group management architecture is business separation, platform sharing, with many branches, have local access number respectively, therefore, requires new IP PBX must support multiple child voice gateway, to support enterprises to work together at the same time, after the comparison, the company eventually chose Zultys IP PBX, cooperate with the domain of science and technology produces its own XingNet IP phone, but due to the XingNet phones are not compatible with Zultys IP PBX do a three-way conversation, therefore also deployed some Zultys original phone, after completion of system transformation, not only can completely meet the demand of a branch of 50 people calls, and implement the "extension as users go mobile communication function, greatly has made many branches linked to each other and work together, between the
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