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About product and suppliers:
        Alibaba.com offers 963 ip building intercom products. About 66% 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 969 ip building intercom suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and United Arab Emirates, which supply 98%, 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 458 with ISO9001, 74 with Other, and 31 with ISO14001 certification.