ccnp-iv-ont mod 1 lesson 1
TRANSCRIPT
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8/10/2019 Ccnp-IV-Ont Mod 1 Lesson 1
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2006 Cisco Systems, Inc. All rights reserved.
Optimizing ConvergedCisco Networ s !ON"#
Lesson 1.1: The Evolution of Telephony in the Enterprise
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8/10/2019 Ccnp-IV-Ont Mod 1 Lesson 1
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2006 Cisco Systems, Inc. All rights reserved.
Objectives
$escri%e the history o& the telephone services ind'stry(nd its (&&ect on modern %'siness pr(ctices.
Identi&y the components o& the tr(dition(l telephonesystem.
$escri%e tr(dition(l )O"S service.
$escri%e IS$N * "+ services.
-pl(in the drivers o& converged networ s.
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8/10/2019 Ccnp-IV-Ont Mod 1 Lesson 1
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2006 Cisco Systems, Inc. All rights reserved.
Basic Telephone System
A telephone system h(s &o'r elements A telephone set to convert so'nd to electric(l sign(ls (nd %(c to so'ndOne or more centr(l switching &(cilitiesConnections to the centr(l switching &(cilitiesConnections (mong m'ltiple switching centers (cross telephonenetwor s
S'%scri%ers connect to the telephone networ 'sing$edic(ted wire connections in overhe(d or 'ndergro'nd c(%les/(dio w(ves !cell'l(r, s(tellite, or r(diotelephone#oI)
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8/10/2019 Ccnp-IV-Ont Mod 1 Lesson 1
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2006 Cisco Systems, Inc. All rights reserved.
Basic Components of a Mo ern TelephoneSystem
!iber
"#
#OTS an$%SL
Central Office&ith S&itches
'ome Office &ithCorporate (#)inclu in* (o"#
Cellular #honeSystem
Lon* %istance an"nternational Connections
LocalLoop
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2006 Cisco Systems, Inc. All rights reserved.
Tra itional #OTS Services
)S"N or )"" !)O"S# h(s rem(ined pr(ctic(lly'nch(nged &or over +00 ye(rs o&&ering
1i direction(l, or &'ll d'ple-, voice p(th to c(rry so'nd %oth
w(ys (t once$i(l tone (nd ringing sign(ls
S'%scri%er di(ling
Oper(tor services, s'ch (s directory (ssist(nce, long dist(nce,(nd con&erence c(lling (ssist(nce
)ower
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2006 Cisco Systems, Inc. All rights reserved.
IS$N A set o& st(nd(rds th(t (llow d(t( (nd voice to %ec(rried on copper wire &rom the telephone e-ch(nge toc'stomer premises
1/I 2 1 ch(nnels (nd + $ ch(nnel &or control)/I 23 1 ch(nnels !30 in 'rope# (nd + $ ch(nnel &or control
"+ C(rrier System Speci&ic(tion &or digit(l tr(nsmission%etween telephone e-ch(nges (nd sometimes directly
to c'stomer premises. "+ 'ses copper wire or &i%er.
"S%) an T1 Services
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$igit(l "elephone Services incl'deoice m(il
C(ller I$
C(ll w(iting/eminder c(lls
!"hree w(y# con&erence c(lling
nh(nced 4++ !in North Americ(#
Centre- A n'm%er o& other simil(r services
%i*ital Telephone Services
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Centre- !( virt'(l )15#C(ll "r(ns&erC(ll $ivert on no reply (nd on %'sy c(llsC(ll 7(iting"hree )(rty Con&erenceC(ll )ic 8p !9ro'p#/ing 1(c/eminder or Al(rm C(ll
:(st N'm%er /edi(lCentre- ;otline !non di(led connection#Centre- 7(rm :ine !del(yed ;otline#Centre- ;'nt 9ro'ps, with option(l %yp(ss n'm%ers
Typical Centre+ telephone. )ote the,ecall button an the Messa*e
-aitin* lamp.
#B an Centre+
http://en.wikipedia.org/wiki/Image:ATTtelephone-large.jpg -
8/10/2019 Ccnp-IV-Ont Mod 1 Lesson 1
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#B
May " have a lineto Chica*o/
#ST)
"s this abusiness call/
Than0 you. Onesecon please.
Chica*o Office
es it is.
Lon*2%istance Callin* Challen*es
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8/10/2019 Ccnp-IV-Ont Mod 1 Lesson 1
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:ong dist(nce tr'n lines connect telephonee-ch(nges.
:ong dist(nce services incl'deO8" 7A"S
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S(n >oseO&&ice
"o yoO&&ice
:ondonO&&ice
#B
#B#B
Separate (oice3 (i eo3 an %ata )et&or0s
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8/10/2019 Ccnp-IV-Ont Mod 1 Lesson 1
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"# -$)
#ST)
Conver*e (oice3 (i eo3 an %ata )et&or0
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8/10/2019 Ccnp-IV-Ont Mod 1 Lesson 1
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Self Chec0
+. 7h(t (re the 2 levels o& IS$N service?
2. 7h(t is ( Centre-?
3. 7h(t is ( 7A"S type pl(n?@. 7h(t options (re (v(il(%le in 7A"S pl(ns?
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Summary
Comp(nies h(ve 'sed telephone services &or over +00ye(rs (s ( p(rt o& their %'siness pr(ctices.
Ch(nging technology (nd ch(nging enterprise needsh(ve in&l'enced ch(nges in telephony services.
"he incre(sing 'se o& I) tr(nsport &or d(t(, voice (ndvideo h(s le(d to the need &or converged networ s.
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4 an $
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,esources
7i ipedi( "elephone -ch(nge (rticlehttp en.wi ipedi(.org wi i "elephoneBe-ch(nge
Cisco I) "elephones on Converged Networ n(%le/(pid mergency /esponse
http newsroom.cisco.com dlls p(rtners s'ccessBstories 200+pssB+0 +0.html
( ing the 1'siness C(se &or 8ni&ied Comm'nic(tionshttp www.cisco.com en 8S netsol ns3@0 ns34@ ns+6D networingBsol'tionsB('dienceB%'sinessB%ene&it0400(ecd=0@E2e&%.html
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