In a telephony system have management of telephony devices distributed among multiple call management devices, the call management devices use call redirection and relaying of message waiting indications to provide voicemail services to the telephony devices using a centralized voicemail server.

 
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< Electronic device with two-dimensional sliding cover and two-dimensional slide apparatus

> Methods and systems for performing special service maintenance and installation operations in a telecommunications system

> Voice containment device for a telephone

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