راهنمای تنظیمات ویپ سیسکو

راهنمای کامل راه اندازی ویپ سیسکو

In addition to providing a general understanding of voice over IP (VoIP) networking, this book offers detailed and practical information on how to use Cisco’s suite of VoIP products. Callisma’s contributing authors are industry experts with real-world implementation experience who can help you understand the intricacies of packet voice. In reading this book, you will obtain a firm understanding...