Podcast
Questions and Answers
What is the primary difference between H.323 and SIP in terms of architecture?
What is the primary difference between H.323 and SIP in terms of architecture?
- Both H.323 and SIP are modular in architecture.
- H.323 is modular while SIP is monolithic.
- H.323 is monolithic while SIP is modular. (correct)
- Both H.323 and SIP are monolithic in architecture.
How do H.323 and SIP differ in terms of interoperability?
How do H.323 and SIP differ in terms of interoperability?
- Neither H.323 nor SIP provide interoperability.
- SIP provides interoperability due to well-defined protocols, while H.323 does not.
- Both H.323 and SIP provide interoperability due to their flexibility.
- H.323 provides interoperability due to well-defined protocols, while SIP does not. (correct)
Which protocol requires a license to use due to compression capabilities?
Which protocol requires a license to use due to compression capabilities?
- H.323 (correct)
- Neither
- Both
- SIP
What type of message format is used by H.323?
What type of message format is used by H.323?
Which protocol provides instant messaging facility along with call routing?
Which protocol provides instant messaging facility along with call routing?
In terms of ease of implementation, why is SIP considered more advantageous than H.323?
In terms of ease of implementation, why is SIP considered more advantageous than H.323?
What is the transport protocol suitable for VOIP traffic?
What is the transport protocol suitable for VOIP traffic?
What does jitter refer to in the context of Next Generation Networks?
What does jitter refer to in the context of Next Generation Networks?
Which protocol is commonly used for streaming video in IPTV services?
Which protocol is commonly used for streaming video in IPTV services?
In NGN networks, what is the main focus of the 'service' concept?
In NGN networks, what is the main focus of the 'service' concept?
What type of IPTV involves broadcasting live programs over an internet connection?
What type of IPTV involves broadcasting live programs over an internet connection?
Which OSI layer does the SIP protocol belong to?
Which OSI layer does the SIP protocol belong to?
What does DSL stand for in the context provided?
What does DSL stand for in the context provided?
What is the purpose of DSL according to the text?
What is the purpose of DSL according to the text?
Why is ADSL called asymmetric according to Dr. Subodha Gunawardena?
Why is ADSL called asymmetric according to Dr. Subodha Gunawardena?
What does POTS stand for in the context of DSL technology?
What does POTS stand for in the context of DSL technology?
What technology is used at the user's end in a DSL network to separate POTS from computer signals?
What technology is used at the user's end in a DSL network to separate POTS from computer signals?
According to ITU-T Rec.G.992.1, what is the maximum download speed for SDSL?
According to ITU-T Rec.G.992.1, what is the maximum download speed for SDSL?
What is a key difference between the usage of '4G' in the market and the actual 4G standard?
What is a key difference between the usage of '4G' in the market and the actual 4G standard?
Which feature of NGN (Next Generation Networks) allows them to provide telecommunications services independently from underlying transport technologies?
Which feature of NGN (Next Generation Networks) allows them to provide telecommunications services independently from underlying transport technologies?
What is a defining characteristic of Next Generation Core Networks?
What is a defining characteristic of Next Generation Core Networks?
In the context of NGN, what does QoS stand for?
In the context of NGN, what does QoS stand for?
What is a key aspect of Architectural evolution and innovation in telecommunication and access networking as per NGN?
What is a key aspect of Architectural evolution and innovation in telecommunication and access networking as per NGN?
Which statement best describes the usage of IP-based protocols in 4G networks?
Which statement best describes the usage of IP-based protocols in 4G networks?
What is the coverage area that a single WiMAX tower can provide?
What is the coverage area that a single WiMAX tower can provide?
What type of service does a smaller (indoor) antenna in WiMAX provide?
What type of service does a smaller (indoor) antenna in WiMAX provide?
What is the frequency range for the non-line-of-sight service in WiMAX?
What is the frequency range for the non-line-of-sight service in WiMAX?
In FTTH technology, what does 'FTTH' stand for?
In FTTH technology, what does 'FTTH' stand for?
What is the maximum transmission speed that can be achieved with FTTH technology?
What is the maximum transmission speed that can be achieved with FTTH technology?
What is a common characteristic of AON and PON in Optical Networks?
What is a common characteristic of AON and PON in Optical Networks?
Flashcards
H.323 vs SIP
H.323 vs SIP
H.323 is a complex protocol with a centralized structure requiring a gatekeeper for authentication. SIP is simpler, decentralised, and uses DNS for address resolution.
H.323 Message Format
H.323 Message Format
H.323 uses ASN.1 (Abstract Syntax Notation One) for its message format.
SIP & Instant Messaging
SIP & Instant Messaging
SIP facilitates instant messaging and call routing.
VOIP Transport Protocol
VOIP Transport Protocol
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IPTV Streaming
IPTV Streaming
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NGN Service Concept
NGN Service Concept
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SIP Layer
SIP Layer
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DSL Technology
DSL Technology
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ADSL Asymmetricity
ADSL Asymmetricity
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DSL Splitter
DSL Splitter
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SDSL Max Speed
SDSL Max Speed
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NGN Characteristic
NGN Characteristic
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NGN QoS
NGN QoS
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4G Download Speed
4G Download Speed
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WiMAX Coverage
WiMAX Coverage
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FTTH Transmission Speed
FTTH Transmission Speed
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AON/PON Similarity
AON/PON Similarity
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Study Notes
H.323 vs SIP
- H.323 is a more complex protocol with a centralised architecture, whereas SIP has a decentralised architecture
- H.323 requires a Gatekeeper for authentication and address resolution, whereas SIP uses DNS or redirect servers for address resolution
- SIP provides better interoperability due to its simplicity and flexibility
Protocols and Messages
- H.323 uses ASN.1 (Abstract Syntax Notation One) message format
- SIP provides instant messaging facility along with call routing
- SIP is considered more advantageous than H.323 in terms of ease of implementation due to its simplicity and flexibility
VOIP and IPTV
- RTP (Real-time Transport Protocol) is a suitable transport protocol for VOIP traffic
- SIP is commonly used for streaming video in IPTV services
- In NGN networks, the main focus of the 'service' concept is to provide services independently from underlying transport technologies
- Live IPTV involves broadcasting live programs over an internet connection
Network Fundamentals
- SIP belongs to the application layer (Layer 7) of the OSI model
- DSL stands for Digital Subscriber Line, which is a technology for broadband internet access
- The purpose of DSL is to provide high-speed internet access over existing copper telephone lines
- ADSL (Asymmetric DSL) is called asymmetric because the download speed is much faster than the upload speed
- POTS stands for Plain Old Telephone Service
- A splitter is used at the user's end in a DSL network to separate POTS from computer signals
- According to ITU-T Rec.G.992.1, the maximum download speed for SDSL (Symmetric DSL) is 1.544 Mbps
Next Generation Networks (NGN)
- NGN allows telecommunications services to be provided independently from underlying transport technologies
- A defining characteristic of Next Generation Core Networks is the separation of transport and service layers
- In the context of NGN, QoS stands for Quality of Service
- A key aspect of Architectural evolution and innovation in telecommunication and access networking is the convergence of fixed and mobile networks
4G and WiMAX
- A key difference between the usage of '4G' in the market and the actual 4G standard is the download speed, which should be at least 1 Gbps
- IP-based protocols are used in 4G networks to provide high-speed data services
- A single WiMAX tower can provide a coverage area of up to 3,000 square miles
- A smaller (indoor) antenna in WiMAX provides Line-of-Sight (LOS) service
- The frequency range for the non-line-of-sight service in WiMAX is 2-6 GHz
FTTH
- FTTH stands for Fiber to the Home
- The maximum transmission speed that can be achieved with FTTH technology is up to 10 Gbps
- A common characteristic of AON (Active Optical Network) and PON (Passive Optical Network) in Optical Networks is the use of fiber optic cables
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Description
Test your knowledge on NGN (Next Generation Networks) principles, including VoIP, H.323, and SIP protocols. Explore the differences between H.323 and SIP related to origins, endpoint location, and call routing.
