Terimler Sözlüğü

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Welcome to the ZyXEL Networking Glossary - your definitive source for descriptions of networking terms and ZyXEL's product features.

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    A Multiple Subscriber Number (MSN) is similar to a conventional telephone extension number, but is issued by a service provider for use on an ISDN line. When an incoming call includes an MSN in addition to the line number (111111222, for example, where 111111 is the line number and 222 is the MSN) only ISDN phones configured with that MSN will ring.