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About product and suppliers:
        Alibaba.com offers 1,006 ip building intercom products. About 67% of these are video door phone, 1% are alarm. 

A wide variety of ip building intercom options are available to you, such as paid samples, free samples. 

There are 1,007 ip building intercom suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and Taiwan, which supply 99%, 1%, and 1% of ip building intercom respectively. 

Ip building intercom products are most popular in Western Europe, Mid East, and Northern Europe. 

You can ensure product safety by selecting from certified suppliers, including 434 with ISO9001, 78 with Other, and 13 with ISO14001 certification.