795 Ss7 PPTs View free & download

VoIP and SS7 PowerPoint PPT Presentation

VoIP and SS7 - VoIP and SS7 Chapter 7 Introduction Channel Associated Signaling Still widely deployed today Considered as old telephony Common Channel Signaling Separation of ...

VoIP and SS7 Chapter 7 Introduction Channel Associated Signaling Still widely deployed today Considered as old telephony Common Channel Signaling Separation of ...

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National Communications System NCS Switching and Signaling SS7 PowerPoint PPT Presentation

National Communications System NCS Switching and Signaling SS7 - BellSouth Telecommunications. David.Finn@BellSouth.com. 205-977-5018. May 22, 2006. 2 ... However, first we will take a look at the type of damage inflicted on ...

BellSouth Telecommunications. David.Finn@BellSouth.com. 205-977-5018. May 22, 2006. 2 ... However, first we will take a look at the type of damage inflicted on ...

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Experiences in Automating the Testing of SS7 Signaling Transfer Points PowerPoint PPT Presentation

Experiences in Automating the Testing of SS7 Signaling Transfer Points - July 22-24, 2002 Via di Ripetta, Rome - Italy ... RSP. System under Test (SUT) Emulated. systems. 8. Complexity of STP testing. Types of tests ...

July 22-24, 2002 Via di Ripetta, Rome - Italy ... RSP. System under Test (SUT) Emulated. systems. 8. Complexity of STP testing. Types of tests ...

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VoIP Term Project PowerPoint PPT Presentation

VoIP Term Project - IETF SIGTRAN(Signaling Transport) SS7 Mobile SCTP IP TCP ...

IETF SIGTRAN(Signaling Transport) SS7 Mobile SCTP IP TCP ...

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How hackers interrupt your data PowerPoint PPT Presentation

How hackers interrupt your data - Know about SS7 hacking the art of exploiting networks and data

Know about SS7 hacking the art of exploiting networks and data

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Latest News of the Erlang/OTP Releases PowerPoint PPT Presentation

Latest News of the Erlang/OTP Releases - Highlights in Erlang/OTP R8B ... Gateway SS7 Network IP/ATM Gateway Controller Gateway Controller Media Gateway NEW DOMAIN Signaling Gateway SS7 SIGTRAN/TALI ...

Highlights in Erlang/OTP R8B ... Gateway SS7 Network IP/ATM Gateway Controller Gateway Controller Media Gateway NEW DOMAIN Signaling Gateway SS7 SIGTRAN/TALI ...

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BeeLine - BeeLine Monitoring Project Business Objectives: Signaling Monitoring Application (SS7) For GSM/UMTS Applications Winning Combinations: Cost effective box

BeeLine Monitoring Project Business Objectives: Signaling Monitoring Application (SS7) For GSM/UMTS Applications Winning Combinations: Cost effective box

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Circuit and Packet Switched Protocols and Programming - Tutorials PowerPoint PPT Presentation

Circuit and Packet Switched Protocols and Programming - Tutorials - Network protocol (LTE, 3G , SS7, Voip) tutorials in details. Programming concepts, nodejs. Source Code Control GIT Tutorial step by Step. Busk sms and hle lookup , mobile number portability.

Network protocol (LTE, 3G , SS7, Voip) tutorials in details. Programming concepts, nodejs. Source Code Control GIT Tutorial step by Step. Busk sms and hle lookup , mobile number portability.

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Circuit and Packet Switched Protocols and Programming - Tutorials - Network protocol (LTE, 3G , SS7, Voip) tutorials in details. Programming concepts, nodejs. Source Code Control GIT Tutorial step by Step. Busk sms and hle lookup , mobile number portability.

Network protocol (LTE, 3G , SS7, Voip) tutorials in details. Programming concepts, nodejs. Source Code Control GIT Tutorial step by Step. Busk sms and hle lookup , mobile number portability.

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Signaling System 7 Market 2017-2023: Historical Analysis, Opportunities and Strong Growth in Future PowerPoint PPT Presentation

Signaling System 7 Market 2017-2023: Historical Analysis, Opportunities and Strong Growth in Future - Market Research Future published a research report on “Signaling System 7 (SS7) Market Research Report- Global Forecast 2023” – Market Analysis, Scope, Stake, Progress, Trends and Forecast to 2023. Get Complete Report @ https://www.marketresearchfuture.com/reports/ss7-market-4153

Market Research Future published a research report on “Signaling System 7 (SS7) Market Research Report- Global Forecast 2023” – Market Analysis, Scope, Stake, Progress, Trends and Forecast to 2023. Get Complete Report @ https://www.marketresearchfuture.com/reports/ss7-market-4153

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Circuit and Packet Switched Protocols and Programming - Tutorials - Network protocol (LTE, 3G , SS7, Voip) tutorials in details. Programming concepts, nodejs. Source Code Control GIT Tutorial step by Step. Busk sms and hle lookup , mobile number portability.

Network protocol (LTE, 3G , SS7, Voip) tutorials in details. Programming concepts, nodejs. Source Code Control GIT Tutorial step by Step. Busk sms and hle lookup , mobile number portability.

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Identification and Location Services ILS PowerPoint PPT Presentation

Identification and Location Services ILS - ... based Mobile Positioning Technology - Position of target ... SS7/Mobile IN Technologies for Positioning - leverage the SS7 and ... Interrogation (ATI) ...

... based Mobile Positioning Technology - Position of target ... SS7/Mobile IN Technologies for Positioning - leverage the SS7 and ... Interrogation (ATI) ...

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Review Computer Communication II PowerPoint PPT Presentation

Review Computer Communication II - ... Use resources as efficient as possible Call ... maintaining per-flow router state difficult with large number of flows ... signaling Telecom signaling SS7 ...

... Use resources as efficient as possible Call ... maintaining per-flow router state difficult with large number of flows ... signaling Telecom signaling SS7 ...

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M3UA Operation PowerPoint PPT Presentation

M3UA Operation - Interworking SS7 with VoIP Arch. Interworking softswitch and SS7. At least two SGs ... The H.323 gateway. Terminate SS7 links and voice trunks ...

Interworking SS7 with VoIP Arch. Interworking softswitch and SS7. At least two SGs ... The H.323 gateway. Terminate SS7 links and voice trunks ...

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Model Driven Architecture: An Introduction Richard Mark Soley, Ph.D. Chairman and CEO PowerPoint PPT Presentation

Model Driven Architecture: An Introduction Richard Mark Soley, Ph.D. Chairman and CEO - Ethernet, ATM, IP, SS7, Firewire, USB. Bluetooth, 802.11b, HomeRF. Where Can ... Standardization primed the market. Over 100 books. Dozens of commercial tools ...

Ethernet, ATM, IP, SS7, Firewire, USB. Bluetooth, 802.11b, HomeRF. Where Can ... Standardization primed the market. Over 100 books. Dozens of commercial tools ...

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SCTP:%20State%20of%20the%20art%20in%20Research,%20Products,%20and%20Technical%20Challenges PowerPoint PPT Presentation

SCTP:%20State%20of%20the%20art%20in%20Research,%20Products,%20and%20Technical%20Challenges - proposed by IETF in October 2000 to accomplish SS7 signaling transport. SCTP should be useful in a wider range of applications instead of just the ...

proposed by IETF in October 2000 to accomplish SS7 signaling transport. SCTP should be useful in a wider range of applications instead of just the ...

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Packets and Payments for Global Mobility PowerPoint PPT Presentation

Packets and Payments for Global Mobility - Mobile Telephony Payments OK Bank or MCI Payments G2-G3 SS7-MAP MAP Proxy HLR Access Networks WLAN Payments OK Wi-Fi RADIUS EAP RADIUS EAP RADIUS 802.1x LAN, DSL ...

Mobile Telephony Payments OK Bank or MCI Payments G2-G3 SS7-MAP MAP Proxy HLR Access Networks WLAN Payments OK Wi-Fi RADIUS EAP RADIUS EAP RADIUS 802.1x LAN, DSL ...

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Signaling System 7 Market Opportunities, Business Strategy and Growth Factors till 2023 PowerPoint PPT Presentation

Signaling System 7 Market Opportunities, Business Strategy and Growth Factors till 2023 - According to a report published by Market Research Future, The global Signaling System 7 Market is set to grow at USD 685.3 million by the end of year 2023 with 2.93% CAGR during forecast period 2017-2023 Get Complete Report @ https://www.marketresearchfuture.com/reports/ss7-market-4153

According to a report published by Market Research Future, The global Signaling System 7 Market is set to grow at USD 685.3 million by the end of year 2023 with 2.93% CAGR during forecast period 2017-2023 Get Complete Report @ https://www.marketresearchfuture.com/reports/ss7-market-4153

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Securing VoIP and PSTN from Integrated Signaling Network Vulnerabilities PowerPoint PPT Presentation

Securing VoIP and PSTN from Integrated Signaling Network Vulnerabilities - Telecommunication Deregulation Act,1996 has opened up market ... Spoofing, Sniffing. Viruses, Worms etc. Intrusion. Marriage of SS7 and IP ...

Telecommunication Deregulation Act,1996 has opened up market ... Spoofing, Sniffing. Viruses, Worms etc. Intrusion. Marriage of SS7 and IP ...

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Routing Paradigms PowerPoint PPT Presentation

Routing Paradigms - Routing Paradigms CS 552 Richard P. Martin Today s lecture Overview of Routing Paradigms Original Internet Paper Switching (SS7) Geometric Routing (TBF) Publish ...

Routing Paradigms CS 552 Richard P. Martin Today s lecture Overview of Routing Paradigms Original Internet Paper Switching (SS7) Geometric Routing (TBF) Publish ...

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Wireless and Mobile All-IP Networks PowerPoint PPT Presentation

Wireless and Mobile All-IP Networks - Signal Transfer Point (STP) is a switch that relays SS7 messages between SSPs and SCPs. ... The MMS server and the relay can be separated or combined. ...

Signal Transfer Point (STP) is a switch that relays SS7 messages between SSPs and SCPs. ... The MMS server and the relay can be separated or combined. ...

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Signaling System 7 PowerPoint PPT Presentation

Signaling System 7 - SS7 developed for ISDN voice and nonvoice services ... Bit stuffing. MTP Level 3 protocol. Signaling network functins lower half of OSI network layers ...

SS7 developed for ISDN voice and nonvoice services ... Bit stuffing. MTP Level 3 protocol. Signaling network functins lower half of OSI network layers ...

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Interconnect Billing and Settlement for VoIP PowerPoint PPT Presentation

Interconnect Billing and Settlement for VoIP - Everyone in VoIP complains about the PSTN, but its interconnect ... SS7 Voice Peering Fabric. LERG. LNP. Multi-lateral. Clearinghouse. CDRs. CDRs. CDRs. CDRs ...

Everyone in VoIP complains about the PSTN, but its interconnect ... SS7 Voice Peering Fabric. LERG. LNP. Multi-lateral. Clearinghouse. CDRs. CDRs. CDRs. CDRs ...

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CDMA2000 TM TECHNOLOGY by Uke Kurniawan Usman PowerPoint PPT Presentation

CDMA2000 TM TECHNOLOGY by Uke Kurniawan Usman - SS7 network (HLR, SCP,SMS, VMS..) Uke Kurniawan Usman - 2005. 13 ... SS7 network (HLR, SCP,SMS, VMS..) Megaco. SIP-T. WGW. IS-2000. Legacy MS. HAT. Voice Path ...

SS7 network (HLR, SCP,SMS, VMS..) Uke Kurniawan Usman - 2005. 13 ... SS7 network (HLR, SCP,SMS, VMS..) Megaco. SIP-T. WGW. IS-2000. Legacy MS. HAT. Voice Path ...

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Signaling System 7 - Compare the different types of circuits used in SS7 ... Common Channel Interoffice Signaling System Number 7. Save time and money on the network ...

Compare the different types of circuits used in SS7 ... Common Channel Interoffice Signaling System Number 7. Save time and money on the network ...

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UMTS and IPv6 PowerPoint PPT Presentation

UMTS and IPv6 - MSC. RNC. Node B. Packet. network. PSTN. Packet. network. SS7 ... MSC Server. MGW. MGW. This bearer independent architecture makes possible to use IP transport ...

MSC. RNC. Node B. Packet. network. PSTN. Packet. network. SS7 ... MSC Server. MGW. MGW. This bearer independent architecture makes possible to use IP transport ...

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M3UA (MTP3-User Adaptation Layer) PowerPoint PPT Presentation

M3UA (MTP3-User Adaptation Layer) - gregside@nortelnetworks.com. Supports MTP3-User Interface and Services (Transparent ... Allows Flexible Message Distribution (e.g., SS7 OPC/DPC/SLS/CIC) to ASPs ...

gregside@nortelnetworks.com. Supports MTP3-User Interface and Services (Transparent ... Allows Flexible Message Distribution (e.g., SS7 OPC/DPC/SLS/CIC) to ASPs ...

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Section 2: Section Title PowerPoint PPT Presentation

Section 2: Section Title - Different LBS technology than the User Plane. Uses the SS7/IS-41 network instead of packet data networks ... Growing number of Control Plane enabled mobiles ...

Different LBS technology than the User Plane. Uses the SS7/IS-41 network instead of packet data networks ... Growing number of Control Plane enabled mobiles ...

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PowerPointesitys PowerPoint PPT Presentation

PowerPointesitys - Intelligent Network Technology (IN) - fixed network, INAP - mobile network, CAMEL ... Intelligent Peripheral, e.g.IVR. SS7. SMF. Service. Management. SCF ...

Intelligent Network Technology (IN) - fixed network, INAP - mobile network, CAMEL ... Intelligent Peripheral, e.g.IVR. SS7. SMF. Service. Management. SCF ...

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Signalling Systems PowerPoint PPT Presentation

Signalling Systems - Tends to be only Call Control. Relatively Simple. e.g. DSS1 in ISDN. Network Signalling ... ISDN access links (Frame Relay) SS7. Signalling ...

Tends to be only Call Control. Relatively Simple. e.g. DSS1 in ISDN. Network Signalling ... ISDN access links (Frame Relay) SS7. Signalling ...

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4G: The End of the Intelligent Network PowerPoint PPT Presentation

4G: The End of the Intelligent Network - 4G: The End of the Intelligent Network. Dana blair (dblair@cisco.Com) 678-352-2789 ... Service delivery centered around SS7/IS-41/GSM MAP intelligent nodes ...

4G: The End of the Intelligent Network. Dana blair (dblair@cisco.Com) 678-352-2789 ... Service delivery centered around SS7/IS-41/GSM MAP intelligent nodes ...

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Version 1'0 - Problems with the PSTN in-band signalling. Birth of SS7 and standards driven approaches ... Well engineered (has coped with expansion of data, land and mobile networks ...

Problems with the PSTN in-band signalling. Birth of SS7 and standards driven approaches ... Well engineered (has coped with expansion of data, land and mobile networks ...

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Its Getting Crowded in Here I Think PowerPoint PPT Presentation

Its Getting Crowded in Here I Think - Creator: Stephen Fielder. Map Standards: SS5, SS7; 1.5, 1.6 (Use of Maps to Analyze ... Your answer is probably related to where you live. MAP TAP 2003-2004 ...

Creator: Stephen Fielder. Map Standards: SS5, SS7; 1.5, 1.6 (Use of Maps to Analyze ... Your answer is probably related to where you live. MAP TAP 2003-2004 ...

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ESIFs Role in Defining IMSbased Emergency Services PowerPoint PPT Presentation

ESIFs Role in Defining IMSbased Emergency Services - Domain Name Server. P-CSCF. MGCF. MGW. PSTN. H.248. ISUP. BGCF. SIP. SS7. SIP. SIP. SIP. SIP. SIP ... SIP registration. SIP session setup. MS. MS. MRFC. Media ...

Domain Name Server. P-CSCF. MGCF. MGW. PSTN. H.248. ISUP. BGCF. SIP. SS7. SIP. SIP. SIP. SIP. SIP ... SIP registration. SIP session setup. MS. MS. MRFC. Media ...

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Dragos Vju - ... features, ISDN features, and wireless capabilities 112 enhancements. Class ... Calling card toll fraud prevention. Credit card approvals and authentication. SS7 ...

... features, ISDN features, and wireless capabilities 112 enhancements. Class ... Calling card toll fraud prevention. Credit card approvals and authentication. SS7 ...

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Amit Katz - 19' 1U Chassis 8 E1/T1 SS7 monitoring probe. PRBm-20. 19' 1U Chassis 8 E1/T1 groomer. DXC-4. 19' 1U Chassis E1/T1 converter. DXC-2 ...

19' 1U Chassis 8 E1/T1 SS7 monitoring probe. PRBm-20. 19' 1U Chassis 8 E1/T1 groomer. DXC-4. 19' 1U Chassis E1/T1 converter. DXC-2 ...

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GSM and 3G Security - GSM and 3G Security Emmanuel Gadaix Asia April 2001 Agenda Brief introduction to GSM networking Cryptography issues Terminal and SIM SS7 Signalling GSM Data Value ...

GSM and 3G Security Emmanuel Gadaix Asia April 2001 Agenda Brief introduction to GSM networking Cryptography issues Terminal and SIM SS7 Signalling GSM Data Value ...

Telecommunication PowerPoint PPT Presentation

Telecommunication - Title: Author: Demo Last modified by: annie Created Date: 8/29/2000 3:48:34 AM Document presentation format: Company

Title: Author: Demo Last modified by: annie Created Date: 8/29/2000 3:48:34 AM Document presentation format: Company

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SIP - SIP (Session Initiation Protocol) has won the IP Standards Wars ... Hitchhiker's Guide to SIP: http://www.ietf.org/internet-drafts/draft-ietf-sip-hitchhikers ...

SIP (Session Initiation Protocol) has won the IP Standards Wars ... Hitchhiker's Guide to SIP: http://www.ietf.org/internet-drafts/draft-ietf-sip-hitchhikers ...

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VLR - gateway/home BS MSC VLR HLR MSC MS VLR HLR BS MS MSC MSC IAM(ISUP) gateway/home VLR HLR BS MS MSC MSC IAM(ISUP) gateway/home Send Routing Info VLR HLR BS MS MSC MSC ...

gateway/home BS MSC VLR HLR MSC MS VLR HLR BS MS MSC MSC IAM(ISUP) gateway/home VLR HLR BS MS MSC MSC IAM(ISUP) gateway/home Send Routing Info VLR HLR BS MS MSC MSC ...

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Signaling interworks in PSTN and Voice-over-IP networks PowerPoint PPT Presentation

Signaling interworks in PSTN and Voice-over-IP networks - Signaling interworks in PSTN and Voice-over-IP networks By Ni Zhang, Ziying Chen March, 2002 Terminology Voice over IP(VoIP) refers to the technology of providing ...

Signaling interworks in PSTN and Voice-over-IP networks By Ni Zhang, Ziying Chen March, 2002 Terminology Voice over IP(VoIP) refers to the technology of providing ...

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PROTOCOLOS GSM PowerPoint PPT Presentation

PROTOCOLOS GSM - PROTOCOLOS GSM MEDICIONES EN TELECOMUNICACION LAPD Link Access Procedure-D Channel, es un protocolo de la capa OSI, definida por ITU-T. Este protocolo permite ...

PROTOCOLOS GSM MEDICIONES EN TELECOMUNICACION LAPD Link Access Procedure-D Channel, es un protocolo de la capa OSI, definida por ITU-T. Este protocolo permite ...

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Figure 41 ADPCM adaptive differential pulse code modulation PowerPoint PPT Presentation

Figure 41 ADPCM adaptive differential pulse code modulation - Figure 4-1 ADPCM (adaptive differential pulse code modulation) ... IMT Intermachine trunk. DAL Dedicated access line. FEX Foreign exchange. FGA Feature group A ...

Figure 4-1 ADPCM (adaptive differential pulse code modulation) ... IMT Intermachine trunk. DAL Dedicated access line. FEX Foreign exchange. FGA Feature group A ...

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M3UA - Path selection of a primary path and monitoring of connectivity. ... A Signaling Gateway (SG) sends and receives native signaling at the edge of the IP network. ...

Path selection of a primary path and monitoring of connectivity. ... A Signaling Gateway (SG) sends and receives native signaling at the edge of the IP network. ...

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Data Communications PowerPoint PPT Presentation

Data Communications - Title: Week Six - Circuits Author: Adrian J Pullin Last modified by: Curt M. White Created Date: 10/14/1999 11:59:01 AM Document presentation format

Title: Week Six - Circuits Author: Adrian J Pullin Last modified by: Curt M. White Created Date: 10/14/1999 11:59:01 AM Document presentation format

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A Scalable SIP-based Architecture to Offer Value-added Services in a Converged IN/IP Environment PowerPoint PPT Presentation

A Scalable SIP-based Architecture to Offer Value-added Services in a Converged IN/IP Environment - A Scalable SIP-based Architecture to Offer Value-added Services in a Converged IN/IP Environment F.S.Salloum, Tasos Dagiuklas, Maria Skoura 16 January 2003

A Scalable SIP-based Architecture to Offer Value-added Services in a Converged IN/IP Environment F.S.Salloum, Tasos Dagiuklas, Maria Skoura 16 January 2003

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EVOLU - evolu o das telecomunica es valdir sousa filho evolu o da tecnologia evolu o do modelo digitaliza o sinaliza o evolu o do modelo ...

evolu o das telecomunica es valdir sousa filho evolu o da tecnologia evolu o do modelo digitaliza o sinaliza o evolu o do modelo ...

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Coastal Observations and Monitoring in South Bay San Diego - Coastal Observations and Monitoring in South Bay San Diego

Coastal Observations and Monitoring in South Bay San Diego

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VLR - MSC. MSC. gateway. Send Routing Info. Provide Roaming # Home. Network. Serving Network. IAM ... MSC. MSC. gateway. Send Routing Info. Provide Roaming # ACK ...

MSC. MSC. gateway. Send Routing Info. Provide Roaming # Home. Network. Serving Network. IAM ... MSC. MSC. gateway. Send Routing Info. Provide Roaming # ACK ...

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Vovida Networks Business Plan PowerPoint PPT Presentation

Vovida Networks Business Plan - Trunk GW. SIP. PRI/CAS. 3rd Party. Softswitch. SIP. H.323. MGCP ... CAS Trunk. SIP Phone. Seizure. 180 RINGING(sdp2) 200 OK(sdp2,sendrecv) Answer. Return Answer ...

Trunk GW. SIP. PRI/CAS. 3rd Party. Softswitch. SIP. H.323. MGCP ... CAS Trunk. SIP Phone. Seizure. 180 RINGING(sdp2) 200 OK(sdp2,sendrecv) Answer. Return Answer ...

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Public Switched Telephone Network (S-PSTN) PowerPoint PPT Presentation

Public Switched Telephone Network (S-PSTN) - (S-PSTN) Student Notes Global Wireless Education Consortium July, 2001 S-PSTN Page * Signaling Signaling is the method used for the switching offices and the CPE to ...

(S-PSTN) Student Notes Global Wireless Education Consortium July, 2001 S-PSTN Page * Signaling Signaling is the method used for the switching offices and the CPE to ...

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M2UA AND M2PA - M2UA AND M2PA

M2UA AND M2PA

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Allows people to change service providers but keep thei PowerPoint PPT Presentation

Allows people to change service providers but keep thei - Allows people to change service providers but keep their same telephone number ... calls originating in an IP network, it performs these functions in reverse order. ...

Allows people to change service providers but keep their same telephone number ... calls originating in an IP network, it performs these functions in reverse order. ...

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Media and ISUP Signaling Transition for IMS and Next-Gen Networks PowerPoint PPT Presentation

Media and ISUP Signaling Transition for IMS and Next-Gen Networks - How Does it Work Now? VoIP relies strongly on a variety of network elements. Media Gateways ... Skype is the 1st big success story. SIP PTP is being standardized ...

How Does it Work Now? VoIP relies strongly on a variety of network elements. Media Gateways ... Skype is the 1st big success story. SIP PTP is being standardized ...

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MLEF Without Capacity Admission Does Not Satisfy MLPP Requirements PowerPoint PPT Presentation

MLEF Without Capacity Admission Does Not Satisfy MLPP Requirements - MLEF Without Capacity Admission Does Not Satisfy MLPP Requirements draft-baker-tsvwg-mlef-concerns-01.txt Problem statement: Multi-Level Preemption and Precedence ...

MLEF Without Capacity Admission Does Not Satisfy MLPP Requirements draft-baker-tsvwg-mlef-concerns-01.txt Problem statement: Multi-Level Preemption and Precedence ...

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Security Challenges in Hybrid Telephony PowerPoint PPT Presentation

Security Challenges in Hybrid Telephony - X. DHCP server insertion. X. DHCP starvation. X. ICMP flood. X. X. Physical Attacks. Transport. Internet. Avail-ablity. Integ-rity. Confidentiality. Attack Vector ...

X. DHCP server insertion. X. DHCP starvation. X. ICMP flood. X. X. Physical Attacks. Transport. Internet. Avail-ablity. Integ-rity. Confidentiality. Attack Vector ...

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Ss7 PowerPoint PPT Presentations