The State of Voice Communications

Date: Jan 1, 2001 By Scott Keagy. Sample Chapter is provided courtesy of Cisco Press.
After reading this chapter, you should have a good understanding of the voice communications services currently available in traditional telephony environments. This chapter discusses Telephony Systems, Trunk Circuit, and Calling Features & Services.

The State of Voice Communications

After reading this chapter, you should have a good understanding of the voice communications services currently available in traditional telephony environments. This chapter discusses Telephony Systems, Trunk Circuit, and Calling Features & Services.

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