??????? ?? ??????????? ??????????? ????? ? ????? NGN ?? ???? Essentra - PowerPoint PPT Presentation

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Title:

??????? ?? ??????????? ??????????? ????? ? ????? NGN ?? ???? Essentra

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Title: Slide 1 Author: S. Kuzmin Last modified by: Shebanov Dmitry Created Date: 3/8/2006 4:11:42 PM Document presentation format: Company – PowerPoint PPT presentation

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Title: ??????? ?? ??????????? ??????????? ????? ? ????? NGN ?? ???? Essentra


1
??????? ?? ??????????? ??????????? ????? ? ?????
NGN ?? ???? Essentra SoftSwitch ????????
VocalTec
??????????? - ???????? 2007
2
VocalTec Communications Ltd.
  • ?????????? ? 1989?.
  • ?????? ? ??????? ?????????? VoIP ? 1993 ?.
  • IPO ? 1996?. Nasdaq VOCL
  • ??????????? ? ?????? ? 1997?.
  • ?????? ? ???? ???????????? ???? VoIP ? 1999?.
  • ?????????? ??????????? Essentra SoftSwitch
    2004?.
  • ??????? ? ????????? TdSoft - 2006?.
  • ??????????????? ???????????? Essentra SoftSwitch
  • ? ?????? ? ??????? ??? 2006 - 2007?.
  • ?????????
  • ????????? ????? Harbourvest ? LibertyView,
    Deutsche Telekom, Cisco
  • ????????? ???????? ??????????? ???????
    ????????????? ?????? ??? ?????????? ?? ??????
    ?????????? ??????????? ? ???????? Voice over IP
    ????? ?????????? ????????? (NGN), ??????????????
  • ?????????????? ??????????? ????? ?????
  • ??????????? ??????? ? ???????
  • ???????? ????????????? ?????
  • ?????????? ???????????????? ??????

3
?????????? ???????????
  • ??????? VocalTec ??????????? ????? ??? ? 130
    ??????? ????
  • ?? 20 ?????? ???????? ??????? VoIP
  • ??????????????? ???? ? ?????? ? ??????????? VoIP
  • ?????? ? ?????? ???????? ?? ????? TDM ? NGN
  • ????????? ??????? ????????? ???????
  • ???????? ??????? ????? ?????????????? ???????????
    ? ????? ???????????? SS7
  • ?????? ???????????????? ????????????? ???????
  • ??????????????? ??????? ?? ?????? ??????????????
    ?????????????? ???????? ? ???????????????
  • ?????????????? ?????????? ? ?????????????? ?????
    ??? ????????????? ????????
  • ?????????? ? ???????????????? ?????????????
    ??????
  • ?????????? ?????????????? ??????????? ???
    ??????????? ? ??????? ???

??????, ??? ?????????? ??????? VocalTec
??????, ??? ???????? ???????? VocalTec
4
?????????? ?????????????
????????????? ? ????????????? TDM ? VoIP
Lucent Nortel Ericsson Nokia Siemens
Alcatel NEC Fujitsu Daewoo LGIC Samsung
Huawei Excel GPT DeTeWe - Italtel
Cirpack Cisco Sonus Veraz VocalData
Nuera Netcentrex TKD Gallery IP Verso
NEC
  • ???????????? ??????? ?????????? ?????????
    ????????????, ??? ????? ?????? ???????????
  • Source iLocus, October 2003

??????????? ????????????? ? ?????, ??? 100
???????????? ??????? ? IADs Lucent RAD
Polycom Verilink Adtran Alcatel 2Wire
Cisco ADC Tellabs Com21 Teledata
Ericsson Marconi ECI Next Level Nortel
Alvarion Harris Terayon ...
5
????????????? ?????????? ????
?????????? ??????? ?? ?????????? ??????????
????????? ??????? ?.??????????,
??????-?????? ?. ?????, ??? ?????-?????.?.???
???, ????????? ?.???????????
6
??????????????? ?????/??????? ? ???????
????? ?????? ???????? ? ????? ???? ?? ?????
??????????? ??????????
????????????? ???? (???? ? VoIP-???????, IP-????)
???? ???????????? ?????????? (Verizon, SBC, Time
Warner cable )
????????????? ???? (TIS, Deutsche Telekom)
????????? ??? ?????????????? (Vonage, Skype, Free)
????????? ???? IMS
???? WiFi/WiMAX
7
??????????? VocalTec Essentra SoftSwitch
????????????? ??????????? ?????????????
?????? ??? ?????????? ????? ?????????? ?????????
(NGN) ?????????? ????????, ???????????????
?????????? ? ??????????
??????
??????
?????????? ????
???? NGN ?????????? ?????
H.323
Core VoIP Network
????????????? ??????
?????????????? ????? ????????
SIP
????
IMS Networks
??????
??????
H.248
POTS
??????????? ???????????? ??????? VoIP
NG-DLC
PRI
TDM
SIP
SIP
IP
SIP
SIP Phone
V5.2/V5.1
PBX/IP PBX
IAD
8
???????? ??????????
Essentra SoftSwitch
????????????? ???? ?????????? ??????????
Essentra CX (SoftSwitch, Class 4)
??????????? ?????? ???? ???????????? ???????
Essentra GATE
??????????????? ????? ?????? ??????????? ??????
Essentra EX (??????????? ?????????? ?????????? ?
?????? ?????????????)
?????? ?????? ?????????? Essentra BAX
(SoftSwitch, Class5, IP-Centrex/Hosted PBX)
9
?????????????? ??????????
?????????? ?????? ???????????? ?????????
Essentra OSS
?????? ??????? ??????? ? ??????????
???????? Essentra TMS
??????????????? ??????????
  • ?????? ?????????? ???? - Calling Cards
    Application (Prepaid)
  • ?????? ????????? ????? - IP Voice Mail
    Application
  • ?????? ??????????? ?????????????? - Conferencing
    Application
  • ???????? ?????????? (API), ?????????????? ??????
    ?????????? ????? ???????????????? ??????????

10
????????????? ???? ??????????
?????????? EssentraCX SoftSwitch,Class 4)
  • ???????????????? ? ?????? ?????????? ????????
  • ?????????? ??????????? ????????? SS7 (??? ?7)
  • ????????????????? ????????????? SIP (B2BUA,
    Proxy, Redirect), SIP-T,
  • SIP-I/Q.915.5, Megaco/H.248
  • ??????????, ?????????? ? ????????????????
    ????????????? ??????
  • ?? 14 400 ??????? (480 E1) ? 100 CAPS ?? ?????
    ??????? IBM

11
??????????????? ????? ??????
???????????????? ?????? Essentra EX
  • ???????????? ? ?????? ?????? ?????????? (SIP,
    H.323)
  • ?????????? ??????????? ????????????? ? ??????????
    ????????
  • ???????????? ????????????? ????????????,
    RTP-???????,
  • ?????? ? NAT, ?????????? Firewall
  • ??????? ????????????? ? ??????? ???????????????
  • ??????-?????? SIP/RTP ? ?????? ?????????
    (statefull proxy)
  • ???????? ? ?????????? ????????? ?????????? (QoS)
  • ?????????? ? ?????????? ????????????? ??????
  • ????????????????
  • ?? ????? ??????? Blade IBM
  • ?? 80 CAPs
  • ?? 33 000 ??
  • ?? 288 000 BHCA
  • ?? 2 000 RTP-??????
  • ?? ?????? IBM BladeCenter T
  • ?? 640 CAPs
  • ?? 264 000 ??
  • ?? 2 304 000 BHCA
  • ?? 16 000 RTP-??????

12
??????????? ?????? ????
???????????? ??????? Essentra GATE
  • ????? ?? ????????? ?????????? ? ??????????????
    ???????
  • ?????????????? ??????? IP ? TDM ?? ??????? ???
    ??????????? ?? ???????
  • ??????????? ????????????? ?????????? V5/GR-303 ?
    VoIP
  • ?????????? ????????????
  • ????????? ? ??????? VoIP-????
  • ????????? ????????????? ??????

SIP
13
?????? ?????? ?????????? Essentra BAX,

SoftSwitch, Class5, IP-Centrex/Hosted PBX
  • ?????????? ?????? ????? (???)
  • ??????????? ?????? IP Centrix/Hosted PBX
  • ???-????????? ?????????????
  • ?????????? SIP, MEGACO/H.248
  • ????????? ?????? ??-?? NAT (NAT Traversal)
  • ?????????????? ??????????
  • ?????????? ? ??????????
  • ????????????? ??????
  • ??????????? ?????????????
  • ?????? ?????????? ??????????
  • ???????????? ???????????????

14
????????????? ?? ????????? SIP
  • ?????? ????????? ????????? SIP ????????????
    ?????? ?????????????v? ????????? ?????????????
    ?????????????
  • ? ????? ?????????? ????????? ?????????
  • ?????????? ???????????????? ??????? SIP IAD
  • Grandstream Handytone 486
  • Addpac AP200
  • Cisco ATA 186/188
  • Sipura SPA1000, 2100
  • AudioCodes MP 104/108
  • Patton Smartnode SN4112/SN4552
  • Bloophone BLG1S1O2E, BLG4S2E
  • Doro GW7001
  • LinkSys PAP2
  • SIP-????????
  • Cisco 7960, 7940
  • PingTel Xpressa
  • Grandstream Budgetone 100
  • Patton
  • ???????????
  • ????????
  • X-Lite
  • X-Pro

???????? VocalTec ?????? ???????? ??????????????
???????????? ????????????? Essentra BAX ?
????????????? ?????? ?????????????
15
?????? Essentra BAX (Residential packages)
  • ????????????? ??????????? ???????? Caller ID
  • ??????????? Caller ID (CLIP)
  • ??????????? ?? Caller ID (CLIR)
  • ?????????? ?? CLI
  • ??????????? ?????????????? ??????????? ????????
  • ??????? ?????? Calling Features
  • ??????? ??????
  • ??????????? ?? ????????? ??????
  • ?????????????? ????????? ?????
  • 3-? ????????? ???????????
  • ???????????? ?????? ??????????? ??????
  • ???????????? ????????????? ???????
  • ????????? ??????? ??? ?????? ????????
  • ????? ??????? ?????
  • ????????? ????????????
  • ?????????? ??????? Call Screening
  • ?????????? ????????? ???????
  • ?? ??????????
  • ??????????? ????? ?? ??????/
  • ?????????? ???????? Call Control
  • ???????? ??????
  • ?????? ???????? ??????
  • ?????? ???????? ? ??????
  • ????????? ??????
  • ??????????? ? ?????? (?? E-mail)
  • ??????????? ??????? Call Restrictions
  • ?????? ?? ????????? ??????
  • ?????? ?? ???????? ??????
  • ????????????? ??????? Call Forward
  • ??????????? ????????????? ??????
  • ????????????? ?????? ??? ????????? ???????????
    ?????
  • ????????????? ?????? ??? ?????????? ??????
  • ??????????? ????????????? ??????
  • ?????/??????? ????????

????? 40 ????? ?????
16
?????? Hosted PBX/IP Centrex (Business packages)
?????? ??????? ?????? ????? ???????????? ??????,
????????????? ???????????????
  • ??????? IP-Centrex
  • ??????? ?????????
  • ?????? ??????
  • ???????? ???????
  • ????????? ?? ????????? (Camp-on)
  • ??????????? ???????? ??????
  • ?????? ????????? ??????
  • ????????????? ????????????? ??????
  • ??????????????? ????????????? ??????
  • ?????? ??? ?????????
  • ?????? ????? ??????????? ??????
  • ?????? ????? ? ??????????? ?????? DOD
  • ???? ???????????
  • ???? ????????/?????
  • ?????? ????????????/?????????
  • ??????????? ??????? ???? (VPN)
  • ??????? ???????? ?????
  • ????? ?? ??????????? ??????
  • ?????????? ????? ? ?????? VPN
  • ??????????????
  • 3-? ????????? ?????
  • ?????????????? ? ??????????? ?????? (???.
    ??????????)
  • ??????????? ? ???????????????? ??????
    ?????????????? (???. ??????????)
  • ????????????? ? ??????? ?????????
  • ????????????? ?????? ???? ????????? ??????? IVR
  • ?????? ?? ??????????? ??????
  • ????? ?? ??????? ?? ????????
  • ????? ???? IVR ?? ??????? ???

????? 20 ????? ?????
17
?????????????? ????????? ?????
????? ?????????? ????? NOC ??????????
????? ????????? ????? / OSS
??????????? ????????
???????? ????????? ??????? ????????? ?????
????????? ?????
??????????? ????????
????????? ???????
???????? ????? ????????? ?????
??????????? ????????
??????????? ????????
????????
??????????? ????????
???????
????????????? Web-user
18
??????????? Web-?????????? ?????????????
  • ??????????
  • ??????????????? ????????? ????? ?????????
  • ?????????? Web-?????????? (????? ????????)
  • ????? ??????
  • ?????????? ? Microsoft Outlook
  • ?????????? ? ???????? Presence / ????????
    ?????????? ?????????
  • ?????????????? ?????????????????
  • ?????? ????????????
  • ?????????? Announcements
  • ?????? ?????????? ??????????
  • ?????? ????????? ?????????? ? ??????????? ?
    ??????? .WAV
  • ??????????? ????????? ?? ??????? ??????? (???
    ????????? ??????????????????)
  • ???????
  • ????? CDR
  • ?????????? ? RADIUS
  • ??????? ???????
  • ??? ??????????????? ? ?????????

19
??????? ?????????
  • ???-?????????? ??? ????????? ????????
  • ?????? ???????? ??? ????????
  • ??????????? ???????, ?????????? ????????? ?
    ?????, ????????, ????????
  • ???????? ???????? ? ????????? ???????
  • ???????? ????????? ???????
  • ???????? ??????? ?????????

20
Auto-Attendant (?????????????)
  • ???? ?????????????? ?????????? ?????? IVR
    ??????????????? ??? ??????????? ? ????????
    ???????, ????????
  • ??????? ????????? ???????? ????????????? ??????
    ?? ??????? ??????????? ??????
  • ??????? ?????????????? ?????????
  • ?????????? ??????????????? ? ?????????
  • ????????? ?? ?????? ??????? VT IVR
  • ????????????? ???? VPN ?????
  • ???????????? ?????? ????
  • ????????? ??????????
  • ???????? ????? ??????????? ???-????????? Essentra
    BAX
  • ????? ???????
  • ????? ?? ?????/??????? ?? ????????
  • ?????? ????? ??????????? ??????
  • ?????? ???? IVR ? ??????????? ?? ??????? ???
  • ????????? ?????
  • ????????/??????????? ???

21
?????????? ??????
???????????? ????????? Essentra OSS
  • ?????????
  • SNMPv3
  • ??????????? MIB and SIP MIB
  • ?????? X.700, ??????? X.733 (Alarms) ? X.731
    (State Management)
  • Unix Syslog ??? ?????????? ?????????
  • ?????????????? ? ??????? ?? ?????????? ? ???????
    ?????????
  • ?????????????????
  • ????????????????????? ??????? ? ?????????
  • ?????? ????????
  • ??????????? ?? ??????? ? ????????
  • ?????? ?? user ID ? ??????
  • ?????????
  • IBM x3550 server, OS Linux

NetworkAdministratorwith role-based security
SNMP v3 XML HTTPS
IP Network
HTTPS
Events, Alarms, and Configurations database
Oracle SQL
22
?????? ??????? ??????? ? ??????????
???????? EssentraTMS
  • ???????????????? ??????? ????????? ??????????????
    ????? ? ?????????? ???????? ?? ?????? CDR
  • ????????? ? ???????? ???????? ??????? VoIP ?
    ?????-???????? ???????
  • ??????????? ??????? ? ????
  • ???????? ??????????? ?????
  • ??????????? ?????????? QoS
  • ????????????? ?????????? ? ???????
  • ? ???????? ???????????? (QoS)
  • ???? CDR ????? RADIUS-?????????
  • ??? ?? ????????? CDR

RADIUS
3rd Party Softswitch
Essentra EX, CX
VoIP Networks
?????????? ? ?????-???????? ???????
23
??????????????? ??????? ????????? ?????
  • ????????????? ? ??????? ????????? IP Voice Mail
  • ???????????????? ???????? ???????? ??????
  • ??????????? ???? ????????? ?????
  • ????????? ????????? ?? E-mail
  • ???????????? ???????????
  • ???????????????? ???-?????????
  • ????????? ??????? ?????????

24
??????? ??? ?????????? ????????
  • ????????? ???????????? ????????? ??????????
    ????????
  • ??????? ???????????, ??????????????, ???????????
    ? IP-IVR ? ???????? ??????? ?? ?????? Radius AAA
    ??? ???????? ????????????? ???????, ? ?????
    ????????? ? ??????????? (???- ? ????????) ????????

??????? ? ???????????? ?????????
??????? ????????? ????????
H.323
?????? AAA ? ???????? ???????
SIP
SIP
?????? CDR ?? ??????????? ??????
???? ?????? ?????????
???? ?????????, ?????????????? ??????????????
?????????
???? IP-???????
???????? ????
????
????
???????? ????
25
?????? ??????????? ?????????????? - Conferencing
Application
  • ????????? PSTN, IP ? ????????? ??????????? ??
    PSTN/IP-?????
  • ????????? ????????? ??????? ? ??????? ????????
    ??????
  • Web-?????????, ????????????? ??????????
  • ?????????? ? ????????? (RADIUS, CDR, XML/ API)
  • ?????????????? ?????????? ?????????? ??????
    ???????????
  • ??????????????? ? ??????????? ???????????
  • ?????? ???????????
  • ???????? e-mail
  • ???????????????????
  • ??????????
  • ????????? SIP (SIMPLE)
  • Presence Integration
  • ????? ??????????? ?
  • ?????? ???????????
  • ??????? ????????????
  • ?????? ???????????

26
??????? ?????????? ?????
HTTPS
???-?????????
BAX Mgmt ???-??????????
DAO
.....
Service 3
?????? N
Service 1
Service 2
???????? ??????
?????? CLI
?????????? ???????
Call Control SIP Servlet
IP Peering SIP Servlet
B2BUA SIP Servlet
Routing SIP Servlet
IP-IVR SIP Servlet
SIP Servlet
???? ?????? BAX
Sip.xml
Sip.xml
Sip.xml
Sip.xml
Sip.xml
Sip.xml
SIP SERVLET CONTAINER
SERVICE INVOCATION BROKER
App.xml
????? OSS
HTTPS SNMP v3
HTTP RMI
???????? ?????????? ??????
???????? Http
cdr.xml
SIP ????
H.323 /RAS ????
Megaco ????
Security.xml
VTlogger.xml
SIP
H.323
H.248
27
??????? ??????????? ? ???????????????
??????? ??????????? ??? ????????????? Essentra
BAX ??????????? ?? ???? ?????????????
?????????????? ??????? Essentra BAX ?? ?????????
????????-??????? (blades)
  • ???-?????? (?????????????? NK)
  • ???-????????? ??????????????
  • ????????????? ??????????
  • ??????? ???????????? ????????
  • ?????? ??????? (?????????????? NK)
  • ??????????? Registrar ? ?????????? ???????? Call
    Control
  • ?????? ??? ?????????????? ?????????
  • ??????????? ???? IP-Centrex
  • ?????????? ?????? ??????? Access Gateway
  • ?????? ??????? Session Server
  • ??????????? ?????? ? ??????? ???????
  • ??????????? ???????????? ?? ????????? ??????
    ??????? ??? ?????? ?????????
  • ???? ?????? (?????????????? 11)
  • ????????
  • ??????????? ?????? ? ???????
  • ?????? ?????? ? ??????? CDR

28
?????????????????? ? ???????????????
??????????????? ????????? ????? ??? ??????? ?
??????????? 5 ???????, ? ????????????????,
???????? AC/DC ? ?? ??????????? NEBS 3 ? ETSI
??????????? ????????? 1U IBM ??????? ?
??????????? Dual Xeon Dual CPU Xeon
3.2GHz ???????? ??????? AC
29
??????? ??????????? ??????????
  • ????? ???????????? ??????? ??????????? High
    Availability ????????? ?????????? ??????? ?? ????
    ?????? ??????????? ? ?????????????????
    (keep-alive)
  • ?????????? ????????? ???????, ??????? ??????? ?
    ????? ? ??????? CDR
  • ??????????? ???????????? ?????????? ?????????
    ???????????? ???? ?????? ??? ???????????? ??
    ??????
  • ??? ?????????? ???? ?????? ?????????? ??????????
    ?? ?????????, ???????, ???????? ????????????? ??
    ???????????? ? ???????????
  • ???????????? ??????? RTP ????? ????????? Essentra
    BAX ??????????? ????????????? ??????? ????????
    ???????? ??????????

HA Agent
HA Agent
?????? ??????? ? ???? CDR
?????? ??????? ? ???? CDR
??????????? ? ???????????
??????????? ? ???????????
???? ?????? MySQL
???? ?????? MySQL
?????. RTP
?????. RTP
30
?????????? ???? NGN ?? ?????? ???????????
Essentra SoftSwitch
??????? ?????????? IN
?????? ????? 5, Hosted PBX
??????????????? ?????
SIP\H.323 IP-????
SIP / H.323
SIP
Radius
?????????? ? ??????????
????????????? ????
IP-????
SIP
SIP
SNMPv3 / XML
TDM - ?????? - IP
????
Sigtran M3UA
SIP
Megaco /H.248
Megaco /H.248
SS7
Megaco /H.248
TdGATE
SIP
V.52/GR303
SIP
TdMAX
??????????? ??????????
????? - ???? ? ???? ????????????
????????????? ???????
SIP IP Phones
???????? ???????
31
?????????? ? IMS
  • ???? IMS - ??????? ??????????? ?????????? ?
  • ?????? ?????????? - P/S-CSCF AS
  • ??????? ????????? ? TISPAN
  • ??????? ? ????, ?????????? ???????? ?????? - MGCF
  • ??????? ??????? ? ???? IMS - A-BGF / P-CSCF
  • ??????? IP, ????????????? ? ??????
    IMS-?????,??????? ????????? IBCF/ IWF / I-BGF

???? IMS
Essentra BAX
HSS
AS
???????
?????? IP-????
??????? IP
Essentra EX
SLF
IWF
S-CSCF
I-CSCF
IBCF SEG
BGCF
Essentra SG
SGF SGW
UE
??????? ? ????
??????? ???????
Essentra CX
Essentra Gate
MGCF
MRFC
P-CSCF
PSTN
PDF
RACS
NASS
MediaGW
T-MGF MGW
A-BGF
A-MGF
?
MRFP
I-BGF
IP-????????? (?????? ? ??????? ?????)
???????? TISPAN-3GPP Workshop
32
?????? ? ???????? ??????? ?? ???? Essentra
SoftSwitch
  • ????? ? ?????????? ????????? ?????????, ?
    ??????????? ?? ???????????? ?????????
  • ??????, ?????????? ? ?????? ?????????? ?
    ???????????? ??? ?????????????? ?????????????
    ?????? ??????????????
  • ????????? ??????????? ?? ????????, ??????????
    ????? ? ?????????????? ????????? ?
    ???????????????? ??????? ??????? ???????, ? ???
    ?????
  • ?????????????? VoIP-?????? ??? ??????????????
    ????????? ? ?????? IP-Centrex
  • ??????? ? ?????????? ?????????????
    VoIP-????? ?????? ?????????????? ??????????????
  • ?????????? ???? VoIP
  • ????????????? ????, ?????????? ???
    ??????????? ???????????? ???? ?????????? ??????
  • ?????? ????????????? ? ????????????? ??????????
    ?????
  • ?????????? ???????????? ???? ??? ????????
    ??????? ????, ??? ???? ????????? ??? ??????????
    ?????
  • ???? ??? ????????????? ???????? ? ???????
    ????????? ???????
  • ??????? ??? ??????????? ??????-?????????
  • ????????? ????
  • ???????? ??? ???????? ? ????
    ?????????????? ??????? ???? ?????????? ?????????
    NGN ??? ????????? ?????????? ?????
  • ?????? ?? ?????????? ?????????
  • ?????? ?????????? ????????? ? ???????????
    ?????? ?? ?????????? ????????? ? ????????????
    ?????????????? ?????????? ?????? IVR ? ????????

33
???????? ??????? ?? ????
Essentra SoftSwitch
  • ?????????? ?? ????????? SIP ???????????????????
    ????????? ?????????????? ?????
  • ?????????? ???????????? ????? ??? ???????????
    (IP-Centrex/Hosted PBX) ? ??????? ???
    (Class 5 Services)
  • ????????? ??????????????? ??????????
  • ????????? ??????? ????? ??????????? ???????
  • ??????? ?? TDM ? NGN ??? ????????? ??????????????
    ?????
  • ?????????? ??????????? ????????? ???????????? SS7
  • ?????? ???????????????? ????????????? ???????
  • ??????????????? ??????? ?? ?????? ??????????????
    ???????? ? ???????????????
  • ?????????????? ?????????? ? ?????????????? ?????
  • ?????????? ? ???????????????? ?????????????
    ??????
  • ????????????? ? ?????????? ???????? ????????? ?
    ????? ???????????? ???????

34
??????????? ????????????
Essentra SoftSwitch
??????????????? ?????????? ????????????
  • ????????????? ????????? ????????? - ???????????
    NGN
  • ??????? ?????????????? ????????? ?????? (Small
    Start Up)
  • ?????????????? ???????????? ??????????
    ??????????
  • ?????????? ??????????? Class 5, IP Centrex ?
    ??. ?????
  • ?????? ? ??????????? ?????????? ?????????? ?
    ??????
  • ??????????? ? ??????????
  • ??????????? ?????????????? SIP ??? ??????
    ???????
  • ??????????? ????????????? ? ?????? ???????
  • ???????? ? ???????? ?????????????????
  • ?????????? ?????????????
  • ?????????? ???????? ? IMS

35
??????? ?? ??????????????? ???????(495)
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