for slideshareitexp oeast2013
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ITEXPO East 2013 - The State of SIPTRANSCRIPT
The ‘State’ of SIP
Graham Francis, CEO The SIP School
What SIP isSIP and Interoperability
SIP Trunking crazinessSBCs and why?
ITSP what’s on offer?Advice!
SIPSIPSIPSIP
SIPSIP
Protocol
Initiates
Sessions
Session Initiation Protocol - INVITE
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VideoVideo
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HoldHold
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VideoVideo
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HoldHold
Call 1003SIPWant to talk?
SIPFrom: ‘Bob’ <sip:[email protected]>To: <sip:[email protected]>SDPAudio Codec – G711 or … Audio Codec – G729
1003100310021002
Session Initiation Protocol – 200 OK
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VideoVideo
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HoldHold
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VideoVideo
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HoldHold
SIP 200 OK
Call 1003 OKSIP
SIPFrom: ‘Bob’ <sip:[email protected]>To: <sip:[email protected]>SDPAudio Codec – G711 or … Audio Codec – G729
SIPFrom: ‘Bob’ <sip:[email protected]>To: <sip:[email protected]>SDPLet’s use G711…!
Want to talk?1003100310021002
Session Initiation Protocol – ACK
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VideoVideo
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HoldHold
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VideoVideo
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HoldHold
On Callwith 1002
SIPACKSIPFrom: ‘Bob’ <sip:[email protected]>To: <sip:[email protected]>SDPOK, G711 it is….!
Call 1003On Callwith 1003
Voice ‘Stream’
1003100310021002
Session Initiation Protocol – Video?
SIP OK6644 55
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VideoVideo
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HoldHold
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VideoVideo
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HoldHold
On Callwith 1002
SIPSupport Video?SIPFrom: ‘Bob’ <sip:[email protected]>To: <sip:[email protected]>SDPAudio Codec – G711, G729Video Codec – H.264,H263,H261
SIPFrom: ‘Bob’ <sip:[email protected]>To: <sip:[email protected]>SDPLet’s use G711 and H.264
Voice and Video ‘Streams’
1003100310021002
On Callwith 1003
Enable UC
Request for Comments ~ RFC
Individual
Working Group
They’ll love this!
Awesome!
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INFOSDP SIMPLE
REFER
Load Balancing
OverloadControl
P2PSIP
RTP forSIPREC
SIP Routing
With ENUM
The road to compatibility
OptionCan
May
Should344344475475 381381
144144
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Cookie RFCFlourBicarbonate of sodaSaltButterCaster sugarSoft brown sugarVanilla extractEggsDark chocolateRaspberry JamCoconut
Cookie RFCFlourBicarbonate of sodaSaltButterCaster sugarSoft brown sugarVanilla extractEggsDark chocolateRaspberry JamCoconut
It’s an Obsession
40% – 80%savings
but not the only benefits!
Lines – You choose
DDIs – How many?
Branch 2 Branch $0?
Virtual Presences
Disaster Recovery
Flexible Provisioning
PSTN2018
CONTROLLER
BORDER
SESSION
TrafficBandwidthCodecsQoSNATSecurityRefer?
Call Traffic Measurement
Measure = 10 Trunks please
Voice = G.711 @ 90Kbps
Pipe = 10 x 90Kbps = 900Kbps
If using a 2Meg link
That’s ~ 44% for VoIP and the rest for Data – Fully loaded…..!
Measure = 10 Trunks please
Voice G.711 @ 90KbpsVideo H.264 approx. 250Kbps (min)
Pipe = 10 x 340Kbps = 3.4Mbps
If using a 2Meg link, oops!
ITSP Supply this line?
Degradation
Multiple lines needed?
Cable, Ethernet?
L7 SIP ~ 192.168.1.1L3 IP ~ 192.168.1.1
L7 SIP ~ 192.168.1.1L3 IP ~ 77.128.13.88
L7 SIP ~ 192.168.1.1L3 IP ~ 77.128.13.88
L7 SIP ~ 77.128.13.88
???
L7 SIP ~ 77.128.13.88L3 IP ~ 77.128.13.88
Let’s leave the video this time
Let’s leave the video this time
ITSPNetwork
Your PBX
SIP Registrar
AuthenticationAuthorizationEncryption
• Signalling• Voice Traffic
REGISTER
What?
Client X10 Trunks
G.711Call Rates
Voice – YESVideo - NO
CONTROLLER
BORDER
SESSION
ITSPNetwork
Your PBX
SIP Registrar
G.711 G.711 G.729G.729G.711 to G.729G.711 to G.729
Media
SIP Signaling
REGISTER
Encrypted
Secured
So, do you have this device that will do it all for you?
Does the Provider tell you that you don’t need one?
PBX
Router
PSTN
We need some more DDI’s
Can I have a ‘London’ number?
No problem
Can we have our ‘old’ numbers please?
Of course!That’s us
PSTN
ITSP Offerings
PSTN
PSTN
ITSP Offerings
PBX
Router
SHA / TLS / SRTPSHA / TLS / SRTP
ThwartedWe need more lines more our marketing push!
I can do that via our Web Interface
I’ll do that!
Ask ITSP Interop QsAsk PBX vendors
RFC Compliance?
Rental Price per Trunk/Channel/Session
Call charges
Unlimited Trunks for a fee / month
Interesting but we’re not done yet!%
18% had no problems at all
NEW ONE PLEASE
SIP SSMP™SIP Sales and Marketing Professional
SIPSSCA®SIP School Certified Associate
The Telecommunications Industry Association (TIA), the leader in advocacy,
standards development, business development and intelligence for the
information and communications technology industry, has officially endorsed ‘The SIP School’ as the provider of choice
for training and certification for Session Initiation Protocol (SIP).
Internet
Web server
JSJS
SRTP
Real TimeMedia engineVoice / Video
DataInternet
InternetBest Buy
Web server
SIP
Gateway
SignalingJS
SRTP
