Context-Based Messaging in Wireless Communication Systems
A wireless communication device and message technology, applied in telephone communication, transmission system, digital transmission system, etc., can solve the problem that users cannot answer calls or return calls
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[0020] figure 1 is a block diagram of a portion of wireless communication system 10 . as in figure 1 As seen in , system 10 includes a public switched telephone network (PSTN) 11, a mobile switching center (MSC) 12, a base station controller (BSC) 14, a base transceiver station (BST) 16, shown in several configurations as VMS 18A-18D A Voice Mail Messaging System (VMS), and a Wireless Communication Device (WCD) 20 . WCD 20 may support any of a variety of telephony services, such as voice, video, or data services. When a caller calls WCD 20, MSC 12 receives the call and determines the cell in which WCD 20 is located. MSC 12 may maintain a lookup table based on WCD 20 signal strength information (as received by MSC 12 from BSC 14 for BST 16). After determining where WCD 20 is located, MSC 12 directs the call to WCD 20 via BST 16 . MSC 12, BSC 14, and WCD 20 may be referred to as wireless communication system devices.
[0021] WCD 20 typically includes several codes used by...
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