Group Paging
A group of users can be created with a purpose of receiving voice announcements through the speaker of a telephone set, but it has to be in the waiting mode.
Cisco Unified 7911G IP phone is meant for office workers, retail shops, workshops, and any other workers generating small to medium phone call traffic.
VIETTEL TELECOM
Viettel Group is one of leading telecom service providers in the world with over 50 million subscribers. Wireless Intelligence has ranked Viettel Group as the 19 th out of 784 biggest telecom service providers in the world regarding the number of subscrib
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