Infrastructure developments to build on
AARNet’s VoIP and Video services
Leon Li
IT Engineer
QUEST t G ld C
t
QUESTnet, Gold Coast
July 2009
July 2009
• Overview
• Enterprise
UC
Network
• Demonstration
• Demonstration
What we have today
What
we
have
today…
• H.323 gateways used for calls to PSTN
• H.323 gatekeeper provides call routing and call admission control
H.323 gatekeeper provides call routing and call admission control
• All devices reside AARNet3
• Voice over IP (VoIP) service provides
• Voice over IP (VoIP) service provides
– on-net in-dial/out-dial calls between customers
F ll V IP d PSTN t ll b
f AARN t t ff
– Full VoIP and PSTN toll bypass for AARNet staff
VoIP on net network
VoIP
on.net
network
Local PSTN SIP VV VV PABX H.323 Local PSTN (for incoming) AARNet3
U N I V E R S I T Y
U N I V E R S I T Y
Legacy PABX system at member site
Member site
Cisco Call Manager
Local PSTN
(for incoming) GK
H.323 RTP SIP PSTN GW MCU V V V V
U N I V E R S I T Y
U N I V E R S I T Y
Native VoIP system at member site
ISDN
Member site
Radius accounting records
H.323 RAS / SIP SQL data pull
SIP SIP traffic
U N I V E R S I T Y
U N I V E R S I T Y
Legacy PABX interconnect co-located member site
PABX Member site
Local PSTN
(for outgoing) H.323 ISDN
H.323 traffic ISDN traffic
• Overview
• Enterprise
UC
Network
• Demonstration
• Demonstration
• Beta
program
Building our UC Infrastructure
Building our UC Infrastructure
• Cisco Unified Communication Manager 6.1 – newly upgraded from CCM
5, provide central call control and management
– Benefit
– Benefit
• Supports dual-mode devices
• Supports more phone models, 7965G, 7975G etcpp p
• Enhanced support on SIP
– Challenge
• Remote upgrading for publish in Canberra
• Cisco Unity – provide voicemail
– Offered to each employee
– Access voicemail anywhere, via IP phone, PSTN phone or email
Need improve: different domain other than main AD domain and inconsistent username – Need improve: different domain other than main AD domain and inconsistent username
Building our UC Infrastructure (cont’d)
Building our UC Infrastructure (cont d)
• Cisco Unified Presence 6.0 (NEW) – built in May 2009, provide presence for
staff to increase productivity
– Integrated with CUCM, LDAP, Unity, Outlook Calendar (in process)g , , y, ( p ) – Challenge
• Need to consider access/Firewall to all integrated servers
• Security concern about Exchange account access to Calendar informationy g
• A bit more configuration on CUCM end
• End user devices and applications
– IP phone, mainly 7960/7961IP phone, mainly 7960/7961
Building our UC Infrastructure (cont’d)
Building our UC Infrastructure (cont d)
– Cisco Unified Video Advantage • Video call capability
R l bl ti t IP h d CDP
• Rely on cable connection to IP phone and CDP • Windows version only, no MAC support
• Interoperability cross different institutions
Ci U ifi d P l C i t (NEW)
– Cisco Unified Personal Communicator (NEW)
• Benefit: integrated IM/phone/video/presence/voicemail/LDAP • Benefit: click-to-dial from outlook
• Benefit: Windows and MAC version • Benefit: Windows and MAC version • Weak: can’t set call forwarding
Building our UC Infrastructure (cont’d)
Building our UC Infrastructure (cont d)
• Weak: interoperation with other SIP product – SIP client on mobile devices – SIPPHONE on iPhone
• SIP client on iPhone
• Configured to register with CUCM
• Make/receive phone calls as from desktop phone on WIFI • Make/receive phone calls as from desktop phone on WIFI • Issues:
– authentication failure caused by CUCM user settings – One way audio behind NAT: solved with STUN server – Not a free application
• Overview
• Enterprise UC Network
Enterprise
UC
Network
• Demonstration
• Beta program
Demo
Demo
Scenario
1. CUPC and iPhone are connecting
to Eduroam, then VPN to AARNet 3 network;
AARNet 3
3 network;
2. Both of them register with
CUCM;
MCU CUCM
3. Calls initial from CUPC and
iPhone to conference on MCU.
VPN VPN
VPN
Sipphone on
iPhone CUPC on laptop
• Overview
• Enterprise
UC
Network
• Demonstration
• Demonstration
SIP and ENUM
SIP and ENUM
Session Initial Protocol (SIP)
(
)
ENUM
• Peer-to-peer signaling protocol
• Application layer protocol
•
E.164 number mapping
•
Example +6112345678 =
• Application layer protocol
• Integrated services
•
Example, +6112345678 =
8.7.6.5.4.3.2.1.1.6.e164.arpa
O t f l i
• Simpler protocol and more
portable on different devices
•
One entry for several services
–
SIP
• Survey shows interests
–
–
PSTN
–
Mobile
–
Web
–
Many more
Our thoughts on SIP/ENUM developments
Our thoughts on SIP/ENUM developments
Plan Q3/2009 Q4/2009 Q1/2010 Q2/2010 Q3/2010 Q4/2010 2011
SIP server Build Internal SIP server with RADIUS authentication
Internal Trial AARNet Internal SIP/ENUM trial
Mobile devices Test SIP on mobile devices, aiming on iPhone, HTC, Blackberry, Palm Centro, Android
Small Scale Trial External trial with 1 customer per state
Full Scale Trial
Full scale Trial offered
Trial
What ser ices do o
ant to see across a SIP platform?
What services do you want to see across a SIP platform?
Sk
S ?
•
Skype
‐
SIP?
•
End
to
End
video?
M bil
d
ifi V IP
•
Mobile
eduroam+wifi+VoIP
•
Others?
Contact
Contact
Contact: Leon Li
Based: Sydney – North Ryde
Phone: +61 2 9779 6937
Mobile: +61 403 603 473
Email:
[email protected]
Applications & Services team:
Left to Right: Jason Bordujenko, Darren French, Maggie Luczynska, James Sankar Leon Li