Logo VoIP.brujula.net

SIP SoftPhones with Codec G729
VideoConferencing and Encryption
new VoIP.brujula.net/sipphones

ENGLISH español it fr pf de ja cn

Help and Manuals
  • Search Site
  • Index
  • FAQ
  • Benefits
    SoftPhones
  • X Ten Lite
  • X Ten PRO
  • SJ Phone
  • EyeBeam
    Hardware Phones
  • Generic ATA
  • Linksys PAP2-NA
  • LinkSys RT31P2
  • LinkSys WRT54GP2-NA
  • LinkSys WIP300
  • Sipura SPA 2000 2100
  • Sipura SPA 3000
  • Grandstream
  • Diphone D10 Plus
  • Dlink dvg1120 DPH 541
  • UTstarcom F1000 F3000
  • Uniden UIP 1868
  • Cisco ATA 186
  • Cisco IP Phone
  • Mitel Phone
    Mobile Phones
  • PalmOS
  • Windows Mobile
  • Nokia Series E, Series N
  • Fring
  • iPhone
    Buy SIP Phones
  • Top Phones
  • Complete List
  • T-Shirt and Swag!
    VoIP IP PBX
  • 3CX Windows
  • Asterisk
  • Trixbox
  • @Home 1.5 @Home 2.7
  • SER
  • Cisco CallManager
  • Linux VoIP Server
    More VoIP Info
  • Codec FAQ
  • Test your Speed
  • VoIP Tutorials
  • VoIP News
    Questions ? voip@brujula.net
  • Self-Test

    1. When planning a network, the theoretical performance figures are typically de-rated to ______________ of the peak capacity: a. 100% b. 25%-35% c. 60%-70% d. 70%-80%

    2. When deploying Access Points (APs) for 5.x GHz 802.11a networks, the ___________-frequency plan is used. a. three b. four c. seven d. nine

    3. A Dual-Frequency residential mesh network requires that all APs support two frequencies simultaneously. a. True b. false

    4. Under normal operations, the roundtrip delay in a voice system should be: a. Less than 150 msec b. Less than 400 msec c. Greater than 400 msec d. Less than 250 msec

    5. Currently, WLANs have delays for handoffs nearly ____ times greater than handoffs in cellular systems. a. 4 b. 5 c. 8 d. 10

    6. In WLAN and handset design, the following represents the time period required for an inter-domain update: a. Ts b. Tf c. Th d. Tmc

    7. SIP supports IP mobility for VoIP WLAN applications by providing handoff capabilities at the ___________ layer a. hardware b. network c. data link d. application

    8. The following WLAN network scheme is based on Mobile IP a. Tightly Coupled b. Loosely Coupled

    <%= dc_link %> Download PDF
    DOWNLOAD PDF of this tutorial

    TABLE OF CONTENTS:
    Definition and Overview
    1 WLAN Network Capacity Analysis
    2 Network Interfaces, Architechtures and Timing Issues
    3 Access Time Delay
    4 VoIP Protocols and Wide Area Networks
    5 Deploying VoIP over WLANs Today
    6 Conclusions
    Self-Test
    Correct Answers
    Glossary
    Comment on This Tutorial wherepage();   Copyright © 2004 International Engineering Consortium

    My Account VoIP.brujula.net
    SIP Number:
    Password:
     
    Forgot password?
    Create Free VoIP Account
    now 140,000 phones
    in 190 countries

    brujula .net
    Page TOOLS
    Send by EMAIL
    BOOKMARK
    Translate to ES IT FR PF
    HOME PAGE
    IE Toolbar


    VoIP.brujula.net. We provide Internet phone service with free Internet calling and unlimited US, Canada and World plans. We offer prepaid phone service using our voice over IP system and an analog telephone adaptor. The solutions are designed for home phone service, business phone service, call shops and cyber cafes. VoIP.brujula.net supports Xten / Counterpath SIP softphones and Internet telephony equipment such as Sipura 2000, Sipura 3000, Cisco 186, Linksys PAP2 and RT31P2. D-Link DVG-1402SL, UTstarcom F3000. We also support Asterisk PBX and offer VoIP Resellers PBX Software and business opportunities to let entrepreneurs and businesses resell voice over Internet under their own brand name.