Download Slide 1

UW IP Telephony
Mary Mulvihill
Manager, Customer Services
Session Chair
[email protected]
Subject Matter Experts (SMEs)
 Dennis Cook, Lead Network Engineer
 [email protected]
 Brian Graves, Lead Network Engineer
 [email protected]
 Jeremy Wu, Network Engineer
 [email protected]
 Lyle Zimmerman, Manager Infrastructure
Planning & Design
 [email protected]
Format





UW System Architecture (Dennis)
Trunking Overview (Brian)
IP Hardphone/Softphone (Jeremy)
Operations and Support (Jeremy & Brian)
[Cabling Infrastructure; Lyle available for
questions]
 QUESTIONS from our colleagues
 Basic hands on demonstration
VoIP Hardphones
Centralized VoIP vs Skype
Why Use Centralized VoIP?




Use Processing Power of PBX
Better Quality
Less Delay
Receive and Make calls to non-Skype users.
Other Benefits of VoIP
 Cabling
 Data and Voice on one cable
 PoE
 Centralized power makes it easier to sustain
during power disruptions
 PBX Features
 Voicemail, Caller ID, Call Centers
VoIP Softphones
What is Softphone




Most similar to Skype
Runs on your laptop or PC
Simulates a PBX station on your laptop.
Most of the benefits of Hardphone
Issues To Watch Out For
 NAT Firewalls
 PC/Laptop Processor Speed
 Requires at least 1 GHz processor
 Should not actively use other applications while
on a call.
 Good quality USB Headset
VoIP Monitoring
VoIP Monitoring Application
 Application that shows historical and realtime information on problem VoIP calls.
 Receives RTCP data from phones and PBX.
 Three Main Thresholds
 Packet Loss
 Round Trip Time (RTT)
 Jitter
What is Jitter?
PBX Troubleshooting
 Can take a look at the phone from the PBX
administration.
 Status of Phone
 Shows if online
 Shows firmware
 Shows RTP statistics
Questions?
Thank you!