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ITU-T overview International Telecommunication Union
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International Telecommunication Union ITU-T overview · Second edition April 2005 Photo credits: ITU/Alain de Ferron, ITU/TSB Promotion ... (DSL), cable television (CATV), wireless

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Page 1: International Telecommunication Union ITU-T overview · Second edition April 2005 Photo credits: ITU/Alain de Ferron, ITU/TSB Promotion ... (DSL), cable television (CATV), wireless

ITU-ToverviewI n t e r n a t i o n a l Te l e c o m m u n i c a t i o n U n i o n ( I T U )

Te l e c o m m u n i c a t i o n S t a n d a r d i z a t i o n B u r e a u ( T S B )

P l a c e d e s N a t i o n s

C H - 1 2 1 1 G e n e v a 2 0

S w i t z e r l a n d

Te l . : + 4 1 2 2 7 3 0 5 8 5 2

Fa x : + 4 1 2 2 7 3 0 5 8 5 3

I n t e r n a t i o n a l T e l e c o m m u n i c a t i o n U n i o n

Page 2: International Telecommunication Union ITU-T overview · Second edition April 2005 Photo credits: ITU/Alain de Ferron, ITU/TSB Promotion ... (DSL), cable television (CATV), wireless

S e c o n d e d i t i o n

A p r i l 2 0 0 5

P h o t o c r e d i t s : I T U / A l a i n d e F e r r o n , I T U / T S B P r o m o t i o n

C o n c e p t : T S B W o r k s h o p s , S D O C o o r d i n a t i o n a n d P r o m o t i o n D i v i s i o n ( W S P )

G r a p h i c D e s i g n : I T U P u b l i c a t i o n C o m p o s i t i o n S e r v i c e

Page 3: International Telecommunication Union ITU-T overview · Second edition April 2005 Photo credits: ITU/Alain de Ferron, ITU/TSB Promotion ... (DSL), cable television (CATV), wireless

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ITU Telecommunication Standardization Sector (ITU-T)I T U i s t h e U N s p e c i a l i z e d a g e n c y f o r t e l e c o m m u n i c a t i o n s . I T U � s Te l e c o m m u n i c a t i o n S t a n d a r d i z a t i o n S e c t o r ( I T U - T ) e m b o d i e s I T U � s o l d e s t a c t i v i t y � d e v e l o p i n g i n t e r n a t i o n a l l y a g r e e d t e c h n i c a l a n d o p e r a t i n g s t a n d a r d s ( I T U - T R e c o m m e n -d a t i o n s ) a n d d e f i n i n g t a r i f f a n d a c c o u n t i n g p r i n c i p l e s f o r i n t e r n a t i o n a l t e l e c o m m u n i c a t i o n s e r v i c e s . I T U - T i s t h e o n l y p l a c e w h e r e g o v e r n m e n t a n d i n d u s t r y w o r k t o g e t h e r t o f o s -t e r s e a m l e s s i n t e r c o n n e c t i o n o f t h e w o r l d � s c o m m u n i c a t i o n n e t w o r k a n d s y s t e m s .

T h e Te l e c o m m u n i c a t i o n S t a n d a r d i z a t i o n B u r e a u ( T S B ) a c t s a s t h e s e c r e t a r i a t o f I T U - T , o r g a n i z i n g a n d c o o r d i n a t i n g t h e w o r k o f t h e s e c t o r . M r H o u l i n Z h a o , D i r e c t o r o f T S B , w a s e l e c t e d a t t h e 1 9 9 8 P l e n i p o t e n t i a r y C o n f e r e n c e i n M i n n e a p o l i s ( U S A ) , a n d w a s r e - e l e c t e d f o r a s e c o n d t e r m ( 2 0 0 3 - 2 0 0 6 ) a s D i r e c t o r o f T S B a t t h e 2 0 0 2 P l e n i p o t e n t i a r y C o n f e r e n c e i n M a r r a k e s h ( M o r o c c o ) .

Yoshio UTSUMISecretary-General of ITU

Houlin ZHAODirector of TSB

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Towards a New Broadband Global InfrastructureI n t h e f i e l d o f i n f o r m a t i o n a n d c o m m u n i c a t i o n t e c h n o l o -g i e s ( I C T ) , I T U - T i s l e a d i n g t h e w a y i n s t a n d a r d s d e v e l o p -m e n t . I T U - T e f f o r t s a i m t o d e f i n e t h e b u i l d i n g b l o c k s o f a n e w b r o a d b a n d g l o b a l i n f r a s t r u c t u r e . T h e n e x t - g e n e r a t i o n n e t w o r k ( N G N ) i s a k e y a r e a o f s t u d y f o r I T U - T a s o p e r a t o r s a r o u n d t h e w o r l d l o o k t o m i g r a t e t o a n I P - b a s e d i n f r a s t r u c -t u r e . T h e c o n v e r g e n c e b e t w e e n I n t e r n e t p r o t o c o l ( I P ) , p u b l i c s w i t c h e d t e l e p h o n e n e t w o r k ( P S T N ) , d i g i t a l s u b s c r i b e r l i n e ( D S L ) , c a b l e t e l e v i s i o n ( C AT V ) , w i r e l e s s l o c a l a r e a n e t w o r k ( W L A N ) a n d m o b i l e t e c h n o l o g i e s i s a t a s k t h a t m a n y b e l i e v e i s i m p o s s i b l e w i t h o u t t h e d e v e l o p m e n t o f g l o b a l s t a n d a r d s .

I n t e r n e t g o v e r n a n c e a n d c y b e r s e c u r i t y a r e a l s o t o p i c s t h a t M e m b e r s h a v e a s k e d I T U - T t o c o n c e n t r a t e o n i n t h e c o m -i n g y e a r s . A d d i t i o n a l l y , a k e y f o c u s i s f i n d i n g s o l u t i o n s t o b r i d g e t h e d i g i t a l d i v i d e , h e l p i n g t o b r i n g t h e b e n e f i t s o f n e w t e c h n o l o g i e s t o t h e d e v e l o p i n g w o r l d .

Meeting the Demands of IndustryW i t h a m a j o r i t y o f i t s m e m b e r s h i p f r o m t h e p r i v a t e s e c t o r , I T U - T u n d e r s t a n d s t h e c r u c i a l b a l a n c e b e t w e e n r a p i d d e l i v e r y a n d s t a b i l i t y i n s t a n d a r d s d e v e l o p m e n t . T h e S e c t o r h a s a l r e a d y m a d e g r e a t p r o g r e s s i n s p e e d i n g u p t i m e - t o -m a r k e t o f i t s R e c o m m e n d a t i o n s , a n d c o n t i n u e s t o w o r k h a r d t o e n s u r e v i t a l n e w s t a n d a r d s a r e m a d e a v a i l a b l e t o t h e i n d u s t r y i n t h e s h o r t e s t p o s s i b l e t i m e . O v e r t h e l a s t d e c a d e , I T U - T h a s d r a m a t i c a l l y o v e r h a u l e d i t s s t a n d a r d s - m a k i n g , s t r e a m l i n i n g a p p r o v a l p r o c e d u r e s a n d c u t t i n g d e v e l o p m e n t t i m e b y a s m u c h a s 9 5 p e r c e n t . T h i s m e a n s t h a t a n a v e r a g e s t a n d a r d , w h i c h t o o k a r o u n d f o u r y e a r s t o d e v e l o p 1 0 y e a r s a g o , c a n n o w b e a p p r o v e d i n a s l i t t l e a s e i g h t w e e k s f o r t e c h n i c a l s t a n d a r d s a n d n i n e m o n t h s f o r R e c o m m e n d a t i o n s h a v i n g p o l i c y o r r e g u l a t o r y i m p l i c a t i o n s .

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Page 6: International Telecommunication Union ITU-T overview · Second edition April 2005 Photo credits: ITU/Alain de Ferron, ITU/TSB Promotion ... (DSL), cable television (CATV), wireless

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Join ITU-T and Influence the Future of ICTT h r o u g h o u t t h e c o u r s e o f e v e r y y e a r , h u n d r e d s o f e x p e r t s g a t h e r a t I T U - T m e e t i n g s , c o n t r i b u t i n g t h e i r t i m e , k n o w -h o w a n d e x p e r t i s e t o t h e s t u d y g r o u p s w h i c h d e v e l o p I T U - T R e c o m m e n d a t i o n s . T h e r e a r e 4 4 8 p r i v a t e s e c t o r e n t i t i e s c u r r e n t l y a c t i v e i n I T U - T , t o g e t h e r w i t h 1 8 9 M e m b e r S t a t e s . I T U - T a t p r e s e n t p r o d u c e s a r o u n d 2 1 0 R e c o m m e n d a t i o n s e a c h y e a r .

M e m b e r s h i p o f I T U - T w i l l a l l o w y o u r c o m p a n y t o :

• S e c u r e t h e i n f l u e n c e o f y o u r c o m p a n y i n t h e d e v e l o p m e n t o f s t a n d a r d s

• H e l p s h a p e i n d u s t r y s t a n d a r d s a n d v e n d o r p r o d u c t s t o y o u r c o m p a n y � s n e e d s

• L e v e r a g e t h e w o r k a n d k n o w l e d g e o f t h e i n d u s t r y � s b e s t e x p e r t s

• P l a n , p u r c h a s e a n d i m p l e m e n t i n f r o n t o f t h e c u r v e , i n s t e a d o f b e h i n d i t

• U s e k n o w l e d g e o f w o r k - i n - p r o g r e s s i n l o n g - t e r m p l a n n i n g

• S t a r t i m p l e m e n t a t i o n w o r k l o n g b e f o r e s t a n d a r d s b e c o m e p u b l i c

• G a i n c o m p e t i t i v e a d v a n t a g e f r o m l o n g l e a d t i m e s• A v o i d m o n e y - w a s t i n g i n v e s t m e n t s i n d e a d - e n d

t e c h n o l o g i e s• U s e k n o w l e d g e i n l o n g - r a n g e p l a n n i n g , s h o r t - t e r m

b u d g e t i n g a n d a c q u i s i t i o n , s t a f f i n g a n d t r a i n i n g , i n f r a s t r u c t u r e d e c i s i o n s , e n t e r p r i s e a r c h i t e c t u r e , h a r d w a r e a n d s o f t w a r e s e l e c t i o n

• S t a y a h e a d o f t h e c o m p e t i t i o n • W o r k w i t h l e a d i n g v e n d o r s a n d c o m p a n i e s i n t h e

i n d u s t r y• G e t r e t u r n o n i n v e s t m e n t ( R O I ) f r o m b e i n g a h e a d o f

t h e p a c k

F o r f u r t h e r i n f o r m a t i o n o n h o w t o j o i n I T U - T , s e e : w w w. i t u . i n t / I T U - T / m e m b e r s h i p o r s e n d a n e - m a i l t o t s b m a i l @ i t u . i n tTo r e q u e s t a f r e e c o p y o f I T U - T G u i d e f o r B e g i n n e r s , p l e a s e c o n t a c t s t a n d a r d s @ i t u . i n t .

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Structure of ITU-T Study Groups and TSAG

S t u d y g r o u p s a r e m a d e u p o f m e m b e r s f r o m i n d u s t r y a n d g o v e r n m e n t s a n d i t � s h e r e t h a t t h e w o r k o f I T U - T i s d o n e . E x c e p t i o n a l l y , i n r e s p o n s e t o u r g e n t m a r k e t n e e d s , a f o c u s g r o u p ( F G ) m a y b e e s t a b l i s h e d . T h e o b j e c -t i v e o f a n F G i s t o h e l p a d v a n c e t h e w o r k o f I T U - T i n a s p e c i f i c a r e a a n d i n a s h o r t p e r i o d o f t i m e , a l s o e n c o u r a g i n g t h e p a r -t i c i p a t i o n o f m e m b e r s o f o t h e r s t a n d a r d s o r g a n i z a t i o n s , i n c l u d i n g e x p e r t s w h o m a y n o t b e m e m b e r s o f I T U . T h e w o r k i n g s t r u c -t u r e o f I T U - T i s d e c i d e d b y M e m b e r S t a t e s , i n c o n s u l t a t i o n w i t h S e c t o r M e m b e r s , e v e r y f o u r y e a r s a t t h e Wo r l d Te l e c o m m u n i c a t i o nS t a n d a r d i z a t i o n A s s e m b l y ( W T S A ) . W i t h i n t h eTe l e c o m m u n i c a t i o n S t a n d a r d i z a t i o n B u r e a u ( T S B ) , t h e S t u d i e s , S t r a t e g y a n d C o o p e r a t i o n D e p a r t m e n t ( S S C D ) , h e a d e d b y t h e D e p u t y t o t h e D i r e c t o r o f T S B , M r R e i n h a r d S c h o l l ,p r o v i d e s s e c r e t a r i a t s u p p o r t t o t h e s t u d y g r o u p s . T h i s m e a n s o r g a n i z i n g a n d c o o r -d i n a t i n g s t u d y g r o u p m e e t i n g s , a s s i g n i n g a C o u n s e l l o r a n d a n A s s i s t a n t t o e a c h f o r a d m i n i s t r a t i v e t a s k s i n c l u d i n g t h e p r o -c e s s i n g o f c o n t r i b u t i o n s a n d a d v i c e o n t h e i m p l e m e n t a t i o n o f t h e a p p r o v a l p r o c e s s f o r I T U - T R e c o m m e n d a t i o n s .

Reinhard SCHOLLDeputy to the TSB Director and Secretary to TSAG

Page 8: International Telecommunication Union ITU-T overview · Second edition April 2005 Photo credits: ITU/Alain de Ferron, ITU/TSB Promotion ... (DSL), cable television (CATV), wireless

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Page 9: International Telecommunication Union ITU-T overview · Second edition April 2005 Photo credits: ITU/Alain de Ferron, ITU/TSB Promotion ... (DSL), cable television (CATV), wireless

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Telecommunication Standardization Advisory Group (TSAG)

T h e T e l e c o m m u n i c a t i o n S t a n d a r d i z a t i o n A d v i s o r y G r o u p ( T S A G ) r e v i e w s p r i o r i t i e s , p r o g r a m m e s , o p e r a t i o n s , f i n a n -c i a l m a t t e r s a n d s t r a t e g i e s f o r t h e S e c t o r , f o l l o w s u p o n t h e a c c o m p l i s h m e n t o f t h e w o r k p r o g r a m m e , r e s t r u c t u r e s , e s t a b l i s h e s a n d p r o v i d e s g u i d e l i n e s t o I T U - T s t u d y g r o u p s , a d v i s e s t h e D i r e c t o r o f T S B a n d d e v e l o p s R e c o m m e n d a t i o n s o n o r g a n i z a t i o n a n d w o r k i n g p r o c e d u r e s ( A - s e r i e s ) .

Study Group 2: Operational aspects of service provision, networks and performance

L e a d S t u d y G r o u p f o r s e r v i c e d e f i n i t i o n , n u m b e r i n g a n d r o u t i n g

R e s p o n s i b l e f o r s t u d i e s r e l a t i n g t o :

! p r i n c i p l e s o f s e r v i c e p r o v i s i o n , d e f i n i t i o n a n d o p e r a t i o n a l r e q u i r e m e n t s o f s e r v i c e e m u l a t i o n ;

! n u m b e r i n g , n a m i n g , a d d r e s s i n g r e q u i r e m e n t s a n d r e s o u r c e a s s i g n m e n t i n c l u d i n g c r i t e r i a a n d p r o c e d u r e s f o r r e s e r v a t i o n a n d a s s i g n m e n t ;

! r o u t i n g a n d i n t e r w o r k i n g r e q u i r e m e n t s ;

! h u m a n f a c t o r s ;

! o p e r a t i o n a l a s p e c t s o f n e t w o r k s a n d a s s o c i a t e d p e r f o r m a n c e r e q u i r e m e n t s i n c l u d i n g n e t w o r k t r a f f i c m a n a g e m e n t , q u a l i t y o f s e r v i c e ( t r a f f i c e n g i n e e r i n g , o p e r a t i o n a l p e r f o r m a n c e a n d s e r v i c e m e a s u r e m e n t s ) ;

! o p e r a t i o n a l a s p e c t s o f i n t e r w o r k i n g b e t w e e n t r a d i t i o n a l t e l e c o m m u n i c a t i o n n e t w o r k s a n d e v o l v i n g n e t w o r k s ;

! e v a l u a t i o n o f f e e d b a c k f r o m o p e r a t o r s , m a n u f a c t u r i n g c o m p a n i e s a n d u s e r s o n d i f f e r e n t a s p e c t s o f n e t w o r k o p e r a t i o n .

Richard HILLCounsellor of SG2

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Study Group 3: Tariff and accounting principles including related telecommunication economic and policy issues

R e s p o n s i b l e f o r s t u d i e s r e l a t i n g t o t a r i f f a n d a c c o u n t i n g p r i n c i p l e s f o r i n t e r n a t i o n -a l t e l e c o m m u n i c a t i o n s e r v i c e s a n d s t u d y o f r e l a t e d t e l e c o m m u n i c a t i o n e c o n o m i c a n d p o l i c y i s s u e s . To t h i s e n d , S t u d y G r o u p 3 f o s t e r s c o l l a b o r a t i o n a m o n g i t s m e m b e r s w i t h a v i e w t o t h e e s t a b l i s h -m e n t o f r a t e s a t l e v e l s a s l o w a s p o s -s i b l e c o n s i s t e n t w i t h a n e f f i c i e n t s e r v i c e a n d t a k i n g i n t o a c c o u n t t h e n e c e s s i t y o f m a i n t a i n i n g i n d e p e n d e n t f i n a n c i a l a d -m i n i s t r a t i o n o f t e l e c o m m u n i c a t i o n s o n a s o u n d b a s i s .

Study Group 4: Telecommunication managementL e a d S t u d y G r o u p o n t e l e c o m m u n i c a t i o n m a n a g e m e n t

R e s p o n s i b l e f o r s t u d i e s r e g a r d i n g t h e m a n a g e m e n t o f t e l e c o m m u n i c a t i o n s e r v i c e s , n e t w o r k s , a n d e q u i p m e n t , i n c l u d i n g s u p p o r t f o r n e x t - g e n e r a t i o n n e t w o r k s ( N G N ) a n d t h e a p p l i c a t i o n a n d e v o l u t i o n o f t h e t e l e c o m m u n i c a t i o n m a n a g e m e n t n e t w o r k ( T M N ) f r a m e w o r k . A d d i t i o n a l l y , i t i s r e s p o n s i b l e f o r o t h e r t e l e c o m m u n i c a t i o n m a n a g e m e n t s t u d i e s r e l a t i n g t o d e s i g n a t i o n s , t r a n s p o r t - r e l a t e d o p e r a -t i o n s p r o c e d u r e s , a n d t e s t a n d m e a s u r e m e n t t e c h n i q u e s a n d i n s t r u m e n t a t i o n . ( Counsellor: Mr Greg JONES, photo page 12)

Saburo TANAKACounsellor of SG3

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Study Group 5: Protection against electromagnetic environment effects

R e s p o n s i b l e f o r s t u d i e s r e l a t i n g t o :

! p r o t e c t i o n o f t e l e c o m m u n i c a t i o n n e t w o r k s a n d e q u i p m e n t f r o m i n t e r f e r e n c e a n d l i g h t n i n g ;

! e l e c t r o m a g n e t i c c o m p a t i b i l i t y ( E M C ) , s a f e t y a n d h e a l t h e f f e c t s c o n n e c t e d w i t h e l e c t r o m a g n e t i c f i e l d s p r o d u c e d b y t e l e c o m m u n i c a t i o n i n s t a l l a t i o n s a n d d e v i c e s , i n c l u d i n g c e l l u l a r p h o n e s .

Study Group 6: Outside plant and related indoor installations

R e s p o n s i b l e f o r s t u d i e s o n o u t s i d e p l a n t a n d r e l a t e d i n d o o r i n s t a l l a t i o n s c o v e r i n g :

! c o n s t r u c t i o n o f a l l t y p e s o f t e r r e s t r i a l c a b l e f o r p u b l i c t e l e c o m m u n i c a t i o n s , i n c l u d i n g m a r i n i z e d t e r r e s t r i a l c a b l e s a n d t h e a s s o c i a t e d h a r d w a r e ( c l o s u r e s , c o n n e c t o r s , c a b i n e t s , p o l e s , e t c . ) ;

! c o n s t r u c t i o n a n d m a i n t e n a n c e o f t h e t e l e c o m m u n i c a t i o n i n f r a s t r u c t u r e ( t h i s i n c l u d e s i n t e r o f f i c e a n d a c c e s s c a b l e a n d h a r d w a r e i n s t a l l a t i o n s , i n b o t h p u b l i c t e l e c o m p r o p e r t y a n d p r i v a t e p r e m i s e s ) ;

! i n s t a l l a t i o n , j o i n t i n g a n d t e r m i n a t i o n o f c a b l e s ;

! p r o t e c t i o n o f t h e e n v i r o n m e n t f r o m t h e d e p l o y m e n t o f t e l e c o m m u n i c a t i o n - r e l a t e d c a b l e , h a r d w a r e a n d e q u i p m e n t i n o u t s i d e p l a n t ;

Judit KATONA KISSCounsellor of SG5 and SG12

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! p r o t e c t i o n f r o m c o r r o s i o n a n d o t h e r f o r m s o f d a m a g e f r o m e n v i r o n m e n t i m p a c t , e x c e p t e l e c t r o m a g n e t i c p r o c e s s e s , o f c a b l e s f o r p u b l i c t e l e c o m m u n i c a t i o n s a n d a s s o c i a t e d s t r u c t u r e s ;

! p r o t e c t i o n a g a i n s t f i r e o f t e l e c o m m u n i c a t i o n b u i l d i n g s a n d o u t s i d e p l a n t ;

! p r o c e d u r e s f o r s a f e t y o f p e r s o n n e l . ( Counsellor: Mr Simão CAMPOS, photo page 13)

Study Group 9: Integrated broadband cable networks and television and sound transmission

L e a d S t u d y G r o u p o n i n t e g r a t e d b r o a d b a n d c a b l e a n d t e l e v i s i o n n e t w o r k s

R e s p o n s i b l e f o r s t u d i e s r e l a t i n g t o :

! u s e o f c a b l e a n d h y b r i d n e t w o r k s , p r i m a r i l y d e s i g n e d f o r t e l e v i s i o n a n d s o u n d p r o g r a m m e d e l i v e r y t o t h e h o m e , a s i n t e g r a t e d b r o a d b a n d n e t w o r k s t o a l s o c a r r y v o i c e o r o t h e r t i m e - c r i t i c a l s e r v i c e s , v i d e o o n d e m a n d , i n t e r a c t i v e s e r v i c e s , e t c . ;

! u s e o f t e l e c o m m u n i c a t i o n s y s t e m s f o r c o n t r i b u t i o n , p r i m a r y d i s t r i b u t i o n a n d s e c o n d a r y d i s t r i b u t i o n o f t e l e v i s i o n , s o u n d p r o g r a m m e s a n d s i m i l a r d a t a s e r v i c e s .

Masamichi NIIYAEngineer of SG9and Secretary to TSB Director�s Ad Hoc Group on IPR

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Study Group 11: Signalling requirements and protocolsL e a d S t u d y G r o u p o n s i g n a l l i n g a n d p r o t o c o l sL e a d S t u d y G r o u p o n i n t e l l i g e n t n e t w o r k s

R e s p o n s i b l e f o r s t u d i e s r e l a t i n g t o s i g n a l -l i n g r e q u i r e m e n t s a n d p r o t o c o l s f o r I n t e r n e tp r o t o c o l ( I P ) r e l a t e d f u n c t i o n s , s o m e m o b i l -i t y - r e l a t e d f u n c t i o n s , m u l t i m e d i a f u n c t i o n sf o r n e t w o r k s i n c l u d i n g c o n v e r g e n c e t o w a r dN G N ( N e x t - G e n e r a t i o n N e t w o r k s ) a n d e n -h a n c e m e n t s t o e x i s t i n g R e c o m m e n d a t i o n s o na c c e s s a n d i n t e r n e t w o r k s i g n a l l i n g p r o t o -c o l s o f AT M , B I C C , N - I S D N a n d P S T N .

Study Group 12: Performance and quality of service

L e a d S t u d y G r o u p o n q u a l i t y o f s e r v i c e a n d p e r f o r m a n c e

R e s p o n s i b l e f o r s t u d i e s r e l a t i n g t o e n d - t o - e n d t r a n s m i s s i o n p e r f o r m a n c e o f t e r m i n a l s a n d n e t w o r k s , i n r e l a t i o n t o t h e p e r c e i v e d q u a l i t y a n d a c c e p t a n c e b y u s e r s o f t e x t , d a t a , s p e e c h , a n d m u l t i m e d i a a p p l i c a t i o n s . A l t h o u g h t h i s w o r k i n c l u d e s t h e r e l a t e d t r a n s m i s s i o n o f a l l n e t w o r k s a n d a l l t e l e c o m m u n i c a t i o n t e r m i n a l s , a s p e c i a l f o c u s i s g i v e n t o I P Q o S , i n t e r o p e r a b i l i t y a n d i m p l i c a t i o n s f o r N G N , a n d i t a l s o i n c l u d e s w o r k o n p e r f o r m a n c e a n d r e s o u r c e m a n a g e m e n t . ( Counsellor: Ms Judit KATONA KISS, photo page 9)

Arshey ODEDRAEngineer of SG11

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Study Group 13: Next-Generation Networks (NGN)L e a d S t u d y G r o u p f o r N G N a n d s a t e l l i t e m a t t e r s

R e s p o n s i b l e f o r s t u d i e s r e l a t i n g t o :

! t h e a r c h i t e c t u r e , e v o l u t i o n a n d c o n v e r g e n c e o f N G N ;

! f r a m e w o r k s a n d f u n c t i o n a l a r c h i t e c t u r e s , a n d s i g n a l l i n g r e q u i r e m e n t s f o r N G N ;

! N G N p r o j e c t m a n a g e m e n t c o o r d i n a t i o n a c r o s s s t u d y g r o u p s : r e l e a s e p l a n n i n g , i m p l e m e n t a t i o n s c e n a r i o s a n d d e p l o y m e n t m o d e l s , n e t w o r k a n d s e r v i c e c a p a b i l i t i e s , i n t e r o p e r a b i l i t y , i m p a c t o f I P v 6 , N G N m o b i l i t y a n d n e t w o r k c o n v e r g e n c e a n d p u b l i c d a t a n e t w o r k a s p e c t s .

Study Group 15: Optical and other transport network infrastructures

L e a d S t u d y G r o u p o n a c c e s s n e t w o r k t r a n s p o r t L e a d S t u d y G r o u p o n o p t i c a l t e c h n o l o g y

F o c a l p o i n t i n I T U - T f o r t h e d e v e l o p m e n t o f s t a n d a r d s o n o p t i c a l a n d o t h e r t r a n s -p o r t n e t w o r k i n f r a s t r u c t u r e s , s y s t e m s , e q u i p m e n t , o p t i c a l f i b r e s , a n d t h e c o r -r e s p o n d i n g c o n t r o l p l a n e t e c h n o l o g i e s t o e n a b l e e v o l u t i o n t o w a r d i n t e l l i g e n t t r a n s p o r t n e t w o r k s . T h i s e n c o m p a s s e s t h e d e v e l o p m e n t o f r e l a t e d s t a n d a r d s f o r c u s t o m e r p r e m i s e s , a c c e s s , m e t r o p o l i t a n a n d l o n g - h a u l s e c t i o n s o f c o m m u n i c a t i o n n e t w o r k s .

Greg JONESCounsellor of SG4 and SG15

Georges SEBEKCounsellor of SG13 and SG17

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Study Group 16: Multimedia terminals, systems and applications

L e a d S t u d y G r o u p o n m u l t i m e d i a t e r m i n a l s , s y s t e m s a n d a p p l i c a t i o n sL e a d S t u d y G r o u p o n u b i q u i t o u s a p p l i c a t i o n s( � e - e v e r y t h i n g � , s u c h a s e - h e a l t h a n d e - b u s i n e s s )

R e s p o n s i b l e f o r s t u d i e s r e l a t i n g t o m u l t i -m e d i a s e r v i c e c a p a b i l i t i e s a n d a p p l i c a t i o n c a p a b i l i t i e s ( i n c l u d i n g t h o s e s u p p o r t e d f o r N G N ) . T h i s e n c o m p a s s e s m u l t i m e d i a t e r -m i n a l s , s y s t e m s ( e . g . n e t w o r k s i g n a l p r o -c e s s i n g e q u i p m e n t , m u l t i p o i n t c o n f e r e n c e u n i t s , g a t e w a y s , g a t e k e e p e r s , m o d e m s a n d f a c s i m i l e ) , p r o t o c o l s a n d s i g n a l p r o c e s s i n g ( m e d i a c o d i n g ) .

Study Group 17: Security,languages and telecommunication software

L e a d S t u d y G r o u p o n t e l e c o m m u n i c a t i o n s e c u r i t yL e a d S t u d y G r o u p o n l a n g u a g e s a n d d e s c r i p t i o n t e c h n i q u e s

R e s p o n s i b l e f o r s t u d i e s r e l a t i n g t o s e c u r i t y , t h e a p p l i c a t i o n o f o p e n s y s t e m c o m m u n i c a t i o n s i n c l u d i n g n e t w o r k i n g a n d d i r e c t o r y , a n d f o r t e c h n i c a l l a n g u a g e s , t h e m e t h o d f o r t h e i r u s a g e a n d o t h e r i s s u e s r e l a t e d t o t h e s o f t w a r e a s p e c t s o f t e l e c o m m u n i c a t i o n s y s t e m s . ( Counsellor: Mr Georges SEBEK, photo page 12)

Simão CAMPOSCounsellor of SG6 and SG16

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Study Group 19: Mobile telecommunication networksL e a d S t u d y G r o u p o n m o b i l e t e l e c o m m u n i c a t i o nn e t w o r k s a n d f o r m o b i l i t y

R e s p o n s i b l e f o r s t u d i e s r e l a t i n g t o n e t -w o r k a s p e c t s o f m o b i l e t e l e c o m m u n i c a t i o n n e t w o r k s , i n c l u d i n g I n t e r n a t i o n a l M o b i l e Te l e c o m m u n i c a t i o n 2 0 0 0 ( I M T - 2 0 0 0 ) a n d b e y o n d , w i r e l e s s I n t e r n e t , c o n v e r g e n c e o f m o b i l e a n d f i x e d n e t w o r k s , m o b i l i t y m a n -a g e m e n t , m o b i l e m u l t i m e d i a f u n c t i o n s , i n t e r n e t w o r k i n g , i n t e r o p e r a b i l i t y a n d e n -h a n c e m e n t s t o e x i s t i n g I T U - T R e c o m m e n -d a t i o n s o n I M T - 2 0 0 0 .

TSB Director�s Ad Hoc IPR GroupT h e T S B D i r e c t o r � s A d H o c G r o u p o n I n t e l l e c t u a l P r o p e r t y R i g h t s ( I P R ) i s r e s p o n s i b l e f o r s t u d i e s r e l a t i n g t o I T U - T p a t e n t p o l i c y a n d i t s g u i d e l i n e s f o r i m p l e m e n t a t i o n , s o f t -w a r e c o p y r i g h t g u i d e l i n e s , a n d t h e i r a s s o c i a t e d i s s u e s . T h e m e m b e r s h i p o f t h e g r o u p i s o p e n t o a l l I T U - T a n d I T U - R m e m -b e r s . N o n - m e m b e r s c a n p a r t i c i p a t e i n m e e t i n g s / r e f l e c t o r d i s c u s s i o n s a t t h e i n v i t a t i o n o f t h e T S B D i r e c t o r .

T S B h a s s e t u p a c o m m o n F T P a r e a w i t h i n t h e A d H o c G r o u p w e b p a g e w w w. i t u . i n t / I T U - T / o t h e r g r o u p s / i p r - a d h o c , w h i c h i s a c c e s s i b l e t o p a r t i c i p a n t s w h o a r e n o n I T U - T m e m b e r s b u t a r e i n v o l ve d i n t h e w o r k o f t h i s g r o u p . To u s e t h i s f a c i l i t y , i t i s n e c e s s a r y t o s u b s c r i b e e l e c t r o n i c a l l y . ( Engineer: Mr Masamichi NIIYA, photo page 10)

Tatiana KURAKOVA Engineer of SG19

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TSB Workshops, SDO Coordination and Promotion Division (WSP)

W i t h i n T S B , t h e W S P D i v i s i o n d e a l s w i t h t h e p r o m o t i o n o f I T U - T , p r o v i d i n g a w a r e n e s s o f t h e S e c t o r � s a c h i e v e m e n t s a n d o u t r e a c h t o i n d u s t r y , o t h e r f o r u m s a n d s t a n d a r d d e v e l o p m e n t o r g a n i z a t i o n s ( S D O s ) a n d m e d i a . W S P a l s o p r o d u c e s t h e I T U - T e - F l a s h . T h i s i s a r e g u l a r u p d a t e o n s o m e o f t h e a c t i v i t i e s o f t h e Te l e c o m m u n i c a t i o n S t a n d a r d i z a t i o n S e c t o r o f I T U . I t c o n t a i n s a s n a p s h o t o f t h e S e c t o r � s a c t i v i t i e s a n d l i n k s t o u p c o m i n g e v e n t s a n d o t h e r u s e f u l i n f o r m a t i o n . To r e c e i v e t h i s c o m m u n i q u é r e g u l a r l y , s i m p l y s e n d a n e - m a i l t o I T U - T _ e - f l a s h @ i t u . i n t w i t h S U B S C R I B Ei n t h e s u b j e c t f i e l d .

A d d i t i o n a l l y , W S P i s c o n c e r n e d w i t h t h e o r g a n i z a t i o n o f r e g u l a r w o r k s h o p s b o t h i n a n d o u t o f G e n e v a . T h e s e a u g m e n t t h e w o r k o f t h e s t u d y g r o u p s b y p r o p o s i n g n e w t o p i c s a n d p r o g r e s s i n g e x i s t i n g w o r k a r e a s . T h e s e e v e n t s i n v o l v e n o n -m e m b e r s a n d o t h e r r e g i o n a l a n d i n t e r n a t i o n a l s t a n d a r d s d e v e l o p e r s , i n t h e s p i r i t o f c o o p e r a t i o n t h a t i s k e y t o t h e s u c c e s s o f I T U - T . W o r k s h o p s c o v e r a w i d e a r r a y o f t o p i c s i n t h e f i e l d o f I C T a n d a t t r a c t h i g h - r a n k i n g e x p e r t s a s s p e a k e r s , a n d a t t e n d e e s r a n g i n g f r o m e n g i n e e r s t o h i g h - l e v e l m a n a g e m e n t f r o m a l l i n d u s t r y s e c t o r s . E v e n t s o r g a n i z e d b y I T U - T a r e f r e e o f c h a r g e a n d o p e n t o t h e p u b l i c .

Keeping an Eye on New TechnologiesA n o t h e r a c t i v i t y o f W S P i s t h e Te c h n o l o g y Wa t c h , w h i c h a i m s t o p r o v i d e t h e s t u d y g r o u p s w i t h i n f o r m a t i o n o n e m e r g i n g n e w t e c h n o l o g i e s s u i t a b l e f o r f u t u r e s t a n d a r d i z a t i o n . I n t h i s w a y , I T U - T w i l l e n s u r e i t s p r e - e m i n e n t r o l e i n s t a n d a r d i z a t i o n . Te c h n o l o g y Wa t c h i s a n e w f u n c t i o n o f I T U - T e s t a b l i s h e d b y W T S A - 0 4 .

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Your TSB promotional support staff From right to left

Paolo ROSA, Head of DivisionYoung Han CHOE, Technology Watch EngineerXiaoya YANG, Workshop Project CoordinatorToby JOHNSON, Communications OfficerStefano POLIDORI, JPO Engineer

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Meetings, logistics and secretariatT h e m a j o r i t y o f I T U - T s t u d y g r o u p m e e t i n g s a r e h e l d i n G e n e v a a t t h e I T U h e a d q u a r t e r s , a n d T S B p r o v i d e s l o g i s t i c a n d s e c r e t a r i a t s u p p o r t . E a c h s t u d y g r o u p p r o g r e s s e s i t s w o r k e l e c t r o n i c a l l y b e t w e e n m e e t i n g s . T h i s i s d o n e p r i m a r -i l y u s i n g e - m a i l m a i l i n g l i s t s , d i s c u s s i o n f o r u m s a n d i n f o r -m a l F T P a r e a s . T S B p r o v i d e s E l e c t r o n i c D o c u m e n t H a n d l i n g ( E D H ) s e r v i c e s t o f a c i l i t a t e t h e e x c h a n g e o f i n f o r m a t i o n a n d d o c u m e n t s a m o n g p a r t i c i p a n t s i n t h e w o r k o f I T U - T .

Operational Bulletin and TSONA f o r t n i g h t l y o p e r a t i o n a l b u l l e t i n i s d e v e l o p e d w i t h i n T S B . T h i s i s a d e t a i l e d u p d a t e c o n t a i n i n g i n f o r m a t i o n t h a t i s r e q u i r e d t o m a i n t a i n t h e g l o b a l i n t e r c o n n e c t i o n o f t h e w o r l d � s t e l e c o m m u n i c a t i o n n e t w o r k s . I n p a r t i c u l a r , i t c o n t a i n s i n f o r -m a t i o n o n c h a n g e s t o n u m b e r i n g a n d r o u t i n g p l a n s , w h e t h e r a t t h e n a t i o n a l o r i n t e r n a t i o n a l l e v e l .

A d d i t i o n a l l y t h e Te l e c o m m u n i c a t i o n S e r v i c e s f o r O p e r a t i o n a n d N u m b e r i n g ( T S O N ) D i v i s i o n a c t s a s r e g i s t r a r f o r v a l u e -a d d e d s e r v i c e s s u c h a s u n i v e r s a l i n t e r n a t i o n a l f r e e p h o n e n u m b e r s ( U I F N ) , u n i v e r s a l i n t e r n a t i o n a l p r e m i u m r a t e n u m -b e r s ( U I P R N ) a n d i n t e r n a t i o n a l s h a r e d c o s t n u m b e r s ( I S C N ) .

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From left to rightMr Richard GREEN Chairman SG9Mr Pierre-André PROBST Chairman SG16Mr Brian W. MOORE Chairman SG13Mr Kishik PARK Chairman SG3Mr John VISSER Chairman SG19Mr Jean-Yves MONFORT Chairman SG12Mr Houlin ZHAO Director of TSBMs Marie-Thérèse ALAJOUANINE Chairman SG2Mr Yoichi MAEDA Chairman SG15Mr Yukio HIRAMATSU Chairman SG11Mr Reinhard SCHOLL Deputy to the Director of TSBMr Herbert BERTINE Chairman SG17Mr Roberto POMPONI Chairman SG5Mr David J. SIDOR Chairman SG4Mr Gary FISHMAN Chairman TSAGMr Francesco MONTALTI Chairman SG6

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I n t e r n a t i o n a l Te l e c o m m u n i c a t i o n U n i o n ( I T U )

Te l e c o m m u n i c a t i o n S t a n d a r d i z a t i o n B u r e a u ( T S B )

P l a c e d e s N a t i o n s

C H - 1 2 1 1 G e n e v a 2 0

S w i t z e r l a n d

Te l . : + 4 1 2 2 7 3 0 5 8 5 2

Fa x : + 4 1 2 2 7 3 0 5 8 5 3

E - m a i l :

t s b d i r @ i t u . i n t ( D i r e c t o r o f T S B )

t s b m a i l @ i t u . i n t ( g e n e r a l e n q u i r i e s )

t s b m e m b e r s @ i t u . i n t ( f o r m e m b e r s h i p i n f o r m a t i o n )

t s b p r o m o @ i t u . i n t ( f o r Te c h n o l o g y Wa t c h , w o r k s h o p s a n d p r o m o t i o n a l a c t i v i t i e s )

U R L : w w w. i t u . i n t / I T U - T

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S e c o n d e d i t i o n

A p r i l 2 0 0 5

P h o t o c r e d i t s : I T U / A l a i n d e F e r r o n , I T U / T S B P r o m o t i o n

C o n c e p t : T S B W o r k s h o p s , S D O C o o r d i n a t i o n a n d P r o m o t i o n D i v i s i o n ( W S P )

G r a p h i c D e s i g n : I T U P u b l i c a t i o n C o m p o s i t i o n S e r v i c e

Page 24: International Telecommunication Union ITU-T overview · Second edition April 2005 Photo credits: ITU/Alain de Ferron, ITU/TSB Promotion ... (DSL), cable television (CATV), wireless

ITU-Toverview

I n t e r n a t i o n a l Te l e c o m m u n i c a t i o n U n i o n ( I T U )

Te l e c o m m u n i c a t i o n S t a n d a r d i z a t i o n B u r e a u ( T S B )

P l a c e d e s N a t i o n s

C H - 1 2 1 1 G e n e v a 2 0

S w i t z e r l a n d

Te l . : + 4 1 2 2 7 3 0 5 8 5 2

Fa x : + 4 1 2 2 7 3 0 5 8 5 3

I n t e r n a t i o n a l T e l e c o m m u n i c a t i o n U n i o n