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SIP Planning Guide
Technology Executive Version

Onsite Executive Guide to
SIP-Session Initiation Protocol

2 Days Onsite.
For more information and scheduling, please call Kim
1-800-452-6477 ex 5012
All major credit cards are accepted.

Who Should Attend: -The SIP Planning Guide course provides the means for customers who are planning, implementing and expanding their communications networks to “get SIP smart” with guidance, ideas and tools. In addition, this course is designed to provide manufacturers, providers, VARs, dealers, agents, analysts and others with new insights into SIP. With more than one hundred new concepts for review, the SIP Planning Guide course is vital to anyone doing UC/VoIP/SIP/IPT for network solutions and premise-based implementations.

What You Will Learn:
  • Review the fundamentals of IP-Internet Protocol and platforms required for high performance SIP-VoIP systems. This includes soft switches, gateways, routers, services and other critical components.
  • Explore business applications and opportunities. Review what customers are buying today and why they are buying. In addition, emerging “killer applications” will be explained in depth.
  • Quickly grasp complex subjects such as H.323, MGCP and SIP. As SIP-Session Initiation Protocol emerges are the key VoIP communications protocol, discover how this technology will impact all voice communications systems from key, PBX, IP-PBX, hosted, managed and other systems.
  • Understand basic and advanced SIP-VoIP concepts features. From hosted, managed, IAS, and IP-PBX, quickly understands “what’s-what” for different customer applications and business models.
  • Probe the issues behind Integrated and Converged Access. Understand when and why organizations need a converged access solution.
  • Understand why “network assessment” is critical to any SIP-VoIP implementation and why this step cannot be overlooked.
  • Address the issue of QoS-Quality of Service by overcoming jitter, echo, noise and other network problems. Review the role of RTCP and other tools to monitor and maintain high performance VoIP networks.
  • Understand the functions of the new communications “toolbar.” See how the benefits of “unified communications” as they improve business operations.
  • Assess the Top-10 issues why SIP trunking and hosted VoIP is more than “dial-tone,” and how it can represent change in the business and business model of even the smallest enterprises. Discuss and explore new ways to improve fundamental business processes.
  • Explore how a SIP-VoIP call is processed and review potential security attacks. Discover how SPIT, VOMIT, DOS and other terrorist attacks can target not just data, but voice packets.
  • Review SIP and SIP Trunking and all the implications and applications from TCO-Total Cost of Ownership to QoS-Quality of Service. SIP Trunking is the most profound new form of telecommunications since POTS.


Detailed Course Outline

A . Fundamental Network and IP Technologies — the IP in SIP
  1. Voice-to-Digital-to-Packet Transmission
  2. Back To Basics – Cabling and Electrical
  3. Transmission Concepts – DSL, T-1/E-1, ISDN-PRI, SIP Trunking, GIG-E
  4. Optical Fiber & Bandwidth
  5. Integrated Access Services – Dynamic Bandwidth Allocation – BOD-Bandwidth On Demand
  6. Introduction to IP-Internet Protocol and VoIP-SIP , MPLS-Multi-Protocol Label Switching, DiffServ-Differentiated Services, DSCP Differentiated Services Code Points and Packet Priority Classifications, TOS-Type of Service, EF-Express Forwarding, MPLS Uniform mode, MPLS Pipe and Short-Pipe modes, WRR-Weighted Round Robin, TCB-Traffic Conditioning Blocks - Marker, Meter, Shaping, Droppers and PHB-Per Hob Behavior.
  7. TCP/IP and other Protocols and Layers – RTP, RTCP, SDP, SOAP, SALT - Call processing with Route, Image, DHCP, DNS, Image, Configuration servers
  8. Hardware – Routers, Switches – MAC-Media Access Control, WiFi-VLANS-VPNS
  9. Protocols “Rules of the Road” – H.228, H.323, MGCP, SIP, and Desktop “Softphones,” “Toolbars” and other end points (desksets)
  10. IP-PBX and Hosted VoIP/SIP – Integrated/Unified/Homogenized
B. Top-10 Critical Technologies to SIP
  1. IP protocol, IP networking and a VPN


  2. The difference between IAS-Integrated Access Service versus Converged Access Service
    • Enhanced IAS with MPPP-Multi-link Point-to-Point Protocol, PPP Multilink Protocol (MP), L2TP-Layer 2 Tunneling Protocol
    • VPLS-Virtual Private LAN Service - new name for metro-ethernet
      • Switching Versus Routing - key benefits of VPLS


  3. SIP-Session Initiation Protocol Trunking -
    • SIGTRAN (Signaling Transport)
    • SCTP-Stream Control Transmission Protocol


  4. Justification for an IP PBX – options and approaches


  5. Technical difference between IAS-Integrated Access Service, Hosted and Managed VoIP
    • Call processing with Route, Image, DHCP, DNS, Configuration servers
    • Media Gateways replace PBXs - the following tutorials are some examples of customer applications of MG-Media Gateways:
      • Connection of IP-PBX to PSTN
    • Connection of IP-PBX to PSTN & SIP trunk provider
    • Survivable connection to SIP trunk provider
    • Connection of PBX & IP-PBX to PSTN & SIP trunk provider
    • Connection of IP-PBX to Hosted VoIP provider
    • Connection of IP-PBX & PSTN to Microsoft OCS Server
    • SC-Session Controllers or SBC-Session Border Controllers are access devices operate at Layer 5 Session Layer, where as routers operate at Layer 3 Network. Some of the key SBC/SC functions are:
    • Secure network peering - private and public to enhance performance
    • Topology hiding - using various types of inter-AS-Autonomous System features as well as separating media (voice) and hide signaling (IP addresses) and data streams (traffic)
    • Border call routing - routing at AS level rather than with interior protocols
    • Interoperability - access/restrict to reduce voice spam
    • QoS & Call Admission Control - load/jitter correction
    • Billing systems interoperability - reduce billing errors
    • NAT-Network Address Translation - routing for maximum performance
    • CALEA-Communications Assistance for Law Enforcement Act
    • Compatibility with billing
    • Dialect conversion
    • Protocol conversion
    • Codec conversion
    • Firewall restrictions
    • Wholesale and Transit peering


  6. “Open Source” PBX options


  7. QoS-Quality of Service importance - how to measure it and fix it


  8. Softphones – Where they make sense - user benefits


  9. The difference between IPT-Internet Protocol Telephony and VoIP - Cisco, Broadsoft, Sylantro and other platforms


  10. Unified Communications – Mobility Applications
C. Top-10 Steps to a Successful SIP Implementation
  1. User Needs Assessment

  2. Network Assessment

  3. Systems Upgrade
    • Indepth POE-Power Over Ethernet & Comprehensive Disaster Planning Tutorial

  4. Pre–Installation Planning

  5. Data Systems Integration - VLANs, VoWLANS, Planning for WiFi, WiFi and IP Wireless "Roaming," WiFi Security and more

  6. Installation and Cutover

  7. Managing Change - Training

  8. Ongoing Use and Expectations

  9. Billing

  10. Managed Services - TCO-total cost of ownership, monitoring, remote support, training, business development and others & Future Applications
D. Diagnosing & Tools for Troubleshooting SIP Networks
  1. Problems:
    • Delay
    • Jitter
    • Equipment Configurations
    • Clipping & Dipping
    • VAD-Voice Activity Detectors -
    • Connection Issues
    • Echo
    • Signal-Noise Level and & Loss
    • Comfort Noise
    • Packet Loss Concealment
      • Zero Insertion
      • Waveform substitution
      • Model-based methods
    • Crosstalk - Nearend and Farend
    • Serialization
    • Packet Payload Delays
    • Packet Sizing Problems - Take the "Vo-eye-P Test"
    • Transcoding Problems
    • Asynchronous Transcoding Problems
    • Electrical Interference - Surges, Sags, Shared Neutrals


  2. Testing for Problems - RTCP-XR-MRB-eXtended Reports - Metrics Report Block

  3. More than 30 Problems & Solutions - like "CarTalk" bring your problems to "Nettalk"

  4. Best Practices - review of concepts such as Resiliency & Reliability – QoS in VoIP-SIP

  5. Vendors of Technical Solutions for VoIP Network Management

  6. Conclusions and the Bottom Line
E. SIP Essentials - SIP Introduction and Overview
  • SIP Definition – IETF (RFC-3261) and Manufacturers
    • CPL-Call Processing Language
    • AOR-Address Of Record – q-values
    • Location Service - DNS-Domain Name Service
    • CPL-Call Processing Language
    • B2BUA-Back-2-Back User Agent


  • Session Initiation Protocol for Telephones (SIP-T): RFC 3372

  • SIP-SS7-Signaling System 7 call processing including – IAM-Initial Address Message, Routing label, CIC-Circuit Identification Code and Message Type Code. Examples of Message Type Codes include: Called Number, Calling Number, DPC-Destination Point Code, OPC-Origination Point Code, SS7-ISUP ACM-Address Complete Message, ANM-ANswer Message, CPG-Call ProGress Message, COT-COTinuity Message, SUS-SUSpend Message, RES-RESume Message, FOT-FOrward message Transfer, INR-INformation Request message, INF-INFormation Message, RELease and other messages.

  • SIP – Applications Layer 7 Protocol – Peer-to-Peer protocol

  • SIP – Before and After

  • SIP and Hosted – Better or Worse or Both

  • SIP Signaling – Introduction, URI-Uniform Resource

  • SIP & SBC-Session Border Controllers, servers, gateways,

  • SIP with and without IADs-Integrated Access Devices

  • SIP and SIP Phones, Softphones, Mobility,
    • SIP Signaling Basics – Inbound/Outbound calling
    • SIP Trunking – Incremental “Slope” Growth


  • CODECS-COmpression-DECompression signal processors – issues and answers
F. SIP Trunk Replacement & Disaster Planning
  • SIP & Open Standards

  • SIP and Trunk Replacement – same or different thing

  • SIP and Proxy ARP-Address Resolution Protocol

  • SIP and HSRP-Hot Standby Routing Protocol

  • SIP and MPLS-Multi-Protocol Label Switching – COS and QoS

  • SIP QoS – oxymoron or critical concept

  • SIP on-net and off-net issues – overflow call processing

  • SIP TCO-Total Cost of Ownership – Top-10 Benefits
G. SIP Technology - Indepth
  • SIP – OSI-Open Systems Interconnection - "If you do not know where you are going, what difference does it make which path you take".....Cheshire Cat (Alice in Wonderland) - SIP “Methods” – Writing call processing as easy as email – invite, ACK, bye, etc.

  • SIP Signaling “commands” – 1xx-6xx

  • SIP Inbound and Outbound call processing

  • SDP-Session Description Protocol - headers, Via, Max-Forwards, To:, URL-Uniform Resource Locator, URI-Uniform Resource Identifier, call-ID, Cseq, Contact, Content-Type, Content-Length, Security and others

  • Session Description Protocol Security Descriptions (SDES)

  • SIP Features - Forks, SIP Proxy, Redirect, Presence, Forking – parallel-sequential-mixed, loops, spirals

  • SIP Network devices - UA-User Agent, UAC-User Agent Client, UAS-User Agent Server
    • Proxy Server, Redirect Server, Registrar Server, B2BUA-Back-to-Back User Agent


  • SRTP-Secure Real-time Transport Protocol (RFC-3711)
    • Authentication Tag and the Master Key Identifier
    • Encryption
H. SIP Security – “Best Practices” – Reality Check
  • SIP Security “Best Practices” – overview
    • SIP Firewalls and Security – SPIT-SPam over Internet Telephony, DOS-Denial Of Service, VOMIT-Voice Over Misconfigured Internet Telephony and other emerging problems


  • SIP Security and “Access Policy” – Stateful IP Filtering and Inspection, Static and Stateless IP Filters, TLS-Transport Layer Security, NAT-Network Address Translation, Persistent connection, Multi-homed hosts, etc.

  • SIP and MIM-Man-In-the-Middle attacks – Understanding wireline and WiFi wireless attacks

  • Telephone Numbers – North American Numbering Plan and International ENUM-E.164
I. SIP Security Architectures – Building Blocks
  • SIP Security Architectures – eight different VoIP configurations evaluating SIP-Aware Firewalls and other security options -
    • Type 1 – Dedicated IP Pipe for VoIP
    • Type 2 – Merged MPLS-Pipe with LER Tagging VoIP
    • Type 3 – Merged IP pipe with SIP-Aware Firewall (SAFW)
    • Type 4 – Separate IP Pipe for VoIP with Existing Non-SIP Firewall and SIP-Aware Firewall (SOFW)
    • Type 5 – Merged IP Pipe with Incumbent Non-SIP-aware Firewall, No DMZ Port and SIP-aware Firewall (SAFW)
    • Type 6 – Looks like Type 5 but Merged IP Pipe with Incumbent Non-SIP-aware Firewall, No DMZ Port and SIP-aware Firewall
    • Type 7 – Merged IP Pipe with Incumbent Non-SIP-aware Firewall with a DMZ Port
    • Type 8 – Merged IP Pipe with Incumbent Non-SIP-aware Firewall


  • Other approaches to SIP Security - Proxy/Gateway Inside the Firewall, Proxy/Gateway in Co-Edge Mode and Proxy/Gateway Outside the Firewall, how Firewalls add time delays to TCP/IP

  • 50-Point Comprehensive SIP Security Checklist - more than 50 different security concepts to review and include in the implementation and ongoing network management program

  • SIP Security-Privacy Lifecycle Management - key planning for capturing, storage, users, and disposition (archiving/destruction)
J. SIP Class of Service & Quality of Service
  • SIP COS-Class Of Service and QoS-Quality of Service – ethernet meets “smart” IP

  • Managing “real-time” voice with RTCP-Real-Time Control Protocol – MRB-Metrics Report Blocks

  • Inside MRB – what’s what with all the info
K. SIP Applications and Future Outlook
  • SIP Applications
    • IM-Instant Messaging call screening
    • SIP Presence Communicated by IM-Instant Messaging
    • Click-to-call and others


  • SIP for Call Centers – calling options and pricing benefits
    • Event Notification
    • Ondemand Conferencing


  • Integration of additional "third-party" developed SIP-enhanced services provides additional business and enterprise justification for SIP trunking.

  • UDDI-Universal Description, Discovery and Integration uses standards-based services such as XML, HTTP, SOAP, TCP/IP (define above) uniform service description and service discovery protocol. Discovery services provide a consistent publishing interface and allow programmatic discovery (registration) of services. Description services provide the means for internet registration - to be found but not advertisement or placement on search engine listings. UDDI file structures are designed using a "publish-once-read-by-many" concept. That is, web site URL-Uniform Resource Locator can be designed using UDDI standard file structures which can be published to the UDDI server network. The UDDI network can be accessed (discovered) by search engines, customers and other list builders in a standard published (register) format. UDDI Registries and protocol servers with:

  • White Pages - Names, Address, Contact and Vcard information

  • Yellow Pages - Industry categorizations and taxonomies

  • Green Pages - Technical information including internal URL file discovery structures
    • UDDI is also designed to replace the robot.txt search engine web site document structure concept. Here are some of the web site description-discovery-registry information retrieved by search engine spiders/bots and other retrieval programs.
    • Voice-driven yellow pages - SALT-Speech Applications Language Tags adds voice commands to web applications. SALT is an extended set of markup (meta) tags based on XML-eXtensible Markup Language though compatible with HTML-Hyper-Text Markup Language and others.


  • SIP – exciting new applications
    • SIP Total Tutorial with Future Outlook – IMS-IP Multi-media Systems – content servers, wireless integration, media gateways, etc.

Course Leader - Thomas B. Cross – CEO TECHtionary.com has three decades of experience in startups and consulting advisor with leading providers and venture capital companies in market planning and development, hardware/software design and development, project management, intellectual property in telecommunications, information technology, conferencing, teletraining, telecommuting, groupware, networks, call centers, internet, artificial intelligence and other fields. He has managed the successful development of more than 10 software, hardware and internet products to market and received industry awards for this work. He has authored 13 books, wrote, produced and direct ed 15 commercial videos and creator and producer of the World's Largest Anima ted Knowledge Source on Technology http://www.techtionary.com recipient of Web Hosting Magazine Editors Choice for Best Technical Help. Tom is a columnist for many leading publications such as Internet Telephony where he is the Technology Editor and columnist on OCS-Office Communications Service Newsletter with a blog at http://blog.tmcnet.com/cross-talk/. He is a member of the Technical Board of Advisors for the VoIPSA-VoIP Security Alliance. Tom holds CompTIA Certified Security Professional certification and Pearson Vue Certified Test Administrator.



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