'Ss7 network' diaporamas de présentation

Telecom Signaling Networks and Service Forum January 17, 2006 Amsterdam

Telecom Signaling Networks and Service Forum January 17, 2006 Amsterdam . I am Adrian Georgescu. I am a bachelor of electrical engineering Member of ETSI ENUM task force Member of management board of OpenSER project Co-chair of ISOC NL SIP Working group Founder of AG Projects.

1.02k views • 84 slides

Signaling & Network Control

NETW 704. Signaling & Network Control. ISDN User Part (ISUP). Dr. Eng. Amr T. Abdel-Hamid. Winter 2006. ISUP. Responsible for setting up and releasing trunks used for inter-exchange calls. Created to provide core network signaling that is compatible with ISDN access signaling.

617 views • 48 slides

CNS 479R Voice Over IP

CNS 479R Voice Over IP. Signaling System 7 Gary D. Brown, Guest Lecturer. Signaling System 7 (SS7). Introduction SS7 Network Architecture SS7 Protocols SS7 Call Signaling VoIP Issues NG9-1-1 Architecture. Introduction. Public Switched Telephone Network (PSTN)

527 views • 35 slides

CAMEL in GPRS prepaid service

CAMEL in GPRS prepaid service. ghlee@alumni.csie.nctu.edu.tw. Outline. Evolution of IN GPRS overview CAMEL in GPRS Discussion. Plain Old Telephone Service. Service logic were hardwired in switching systems.

508 views • 32 slides

ET2080 JARINGAN TELEKOMUNIKASI

322 views • 31 slides

The product lifecycle - upgrading: Ring, Ring, East Coast Calling

The product lifecycle - upgrading: Ring, Ring, East Coast Calling. Lecture 14: Unit 7a Disasters, Failures and other Dangerous Things. Characteristic data of a wave. 6 periods in 1 second = Frequency 6 cycles/sec or hertz. Amplitude (similar to volume). T. time. Period = 1/6 seconds.

448 views • 28 slides

Signalling and Control In IP Networks - H.248, H.323 and SIP

Signalling and Control In IP Networks - H.248, H.323 and SIP. Signaling Standards. Media Gateway Control Signalling H.248/Megaco Call Signalling SIP and SIP-T H.323. PSTN. PSTN. Network View. SIP-T. SG. MGC. SG. MGC. SIP. SIP User Agent. H.323 call signalling. H.248 Megaco.

568 views • 26 slides

Signalling and Control In IP Networks - H.248, H.323 and SIP

Signalling and Control In IP Networks - H.248, H.323 and SIP. Signaling Standards. Media Gateway Control Signalling H.248/Megaco Call Signalling SIP and SIP-T H.323. PSTN. PSTN. Network View. SIP-T. SG. MGC. SG. MGC. SIP. SIP User Agent. H.323 call signalling. H.248 Megaco.

428 views • 26 slides

Fraud in Short Messaging in Mobile Networks

Fraud in Short Messaging in Mobile Networks. Kari-Matti Puukangas / TeliaSonera 14.4.2010 Supervisor: Professor Raimo Kantola Instructor: M.Sc Niko Kettunen. Contents. Background Scope of the study Different Types of Fraudulent SMS Spoofing Faking 3rd party faking

580 views • 25 slides

Securing VoIP and PSTN from Integrated Signaling Network Vulnerabilities

Securing VoIP and PSTN from Integrated Signaling Network Vulnerabilities. Hemant Sengar , George Mason University Ram Dantu , University of North Texas Duminda Wijesekera, George Mason University. Background :. Integration of Voice and Data Network. ?. ?. Public Switched Telephone Network.

381 views • 24 slides

Experiences in Automating the Testing of SS7 Signaling Transfer Points

Experiences in Automating the Testing of SS7 Signaling Transfer Points. Tim Moors, Malathi Veeraraghavan , Zhifeng Tao, Xuan Zheng, Ramesh Badri Polytechnic University Brooklyn, NY, USA mv@poly.edu http://kunene.poly.edu/~mv. ISSTA 2002 July 22-24, 2002 Via di Ripetta, Rome - Italy.

301 views • 22 slides

Where is Intelligence in the GSM network?

HLR. MAP. MSC. MAP. MSC. MSC. ISUP. GSM network (PLMN). Where is Intelligence in the GSM network?. Normal GSM subscriber Makes and receives a call. SSP. SSP. HLR. Where is IN in the GSM network?. GSM operator wants to

92 views • 9 slides

PSTN

Bidirectional DS0 circuit. PSTN. A T1 (1.5 Kbps) is a time-multiplexed signal of 24 DS0 (64 kbps) A T-S-T (Time-Space-Time) division multiplexed switch maps bits arriving in one time slot to another time slot on an output port. DS0 lines. T-S-T Switch. T-S-T Switch. T-S-T Switch. T-S-T

88 views • 7 slides