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Cisco Network Topology. Cisco icons, shapes, stencils and symbols

Cisco Network Topology represents the arrangement of worldwide recognized and standardized Cisco network symbols, icons, shapes, and stencils which help visualize the schemes of computer networks. Any equipment used in Cisco networks is also named a node and network topology diagram represents the scheme of connection the used nodes. Cisco Network Diagram illustrates how the signals enter on the networked devices and how the data spread within a network from one device to another. These diagrams are useful for engineers while constructing computer networks and working with them. Cisco Network Diagrams solution included to Computer and Networks area of ConceptDraw Solution Park contains quick-start templates, professionally designed samples and examples, and numerous libraries with a lot of predesigned vector design elements, icons, and shapes of Cisco equipment, components, devices, links which provide for ConceptDraw DIAGRAM users a perfect possibility of simple and quick drawing Cisco Network Diagrams and Schematics, Network Designs and Maps of any complexity.

Cisco WAN. Cisco icons, shapes, stencils and symbols

The ConceptDraw vector stencils library Cisco WAN contains equipment symbols for drawing the computer wide area network diagrams.
The vector stencils library "Network layout floorplan" contain 34 symbol icons for drawing computer network floor plans, communication equipment layouts, and structured cabling diagrams.
"Structured cabling is building or campus telecommunications cabling infrastructure that consists of a number of standardized smaller elements (hence structured) called subsystems. ...
Structured cabling design and installation is governed by a set of standards that specify wiring data centers, offices, and apartment buildings for data or voice communications using various kinds of cable, most commonly category 5e (CAT-5e), category 6 (CAT-6), and fibre optic cabling and modular connectors. These standards define how to lay the cabling in various topologies in order to meet the needs of the customer, typically using a central patch panel (which is normally 19 inch rack-mounted), from where each modular connection can be used as needed. Each outlet is then patched into a network switch (normally also rack-mounted) for network use or into an IP or PBX (private branch exchange) telephone system patch panel." [Structured cabling. Wikipedia]
The design elements example "Network layout floorplan - Vector stencils library" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Network Layout Floor Plans solution from the Computer and Networks area of ConceptDraw Solution Park.
PC
PC, PC,
Scanner
Scanner, scanner,
Switch
Switch, switch,
Router
Router, router,
Modem
Modem, modem,
Hub
Hub, hub,
Rack Mount
Rack Mount, rack mount,
Printer
Printer, printer,
Floor Mounted Outlet
Floor Mounted Outlet, floor mounted outlet,
Single Outlet
Single Outlet, single outlet,
Duplex Outlet
Duplex Outlet, duplex outlet,
Direct bus cable
Direct bus cable, bus cable,
Tops or bottoms bus cable
Tops or bottoms bus cable,
Side to side bus cable
Side to side bus cable, bus cable,
Multi-tree bus cable
Multi-tree bus cable, bus cable,
Bottom to side bus cable
Bottom to side bus cable, bus cable,
Sides bus cable
Sides bus cable, bus cable,
Door
Door, door,
Door, threshold
Door, threshold, door,
Door, stop
Door, stop, door,
Door, stop, threshold
Door, stop, threshold, door,
Door, frame
Door, frame, door,
Door, frame, threshold
Door, frame, threshold, door,
Door, frame, stop
Door, frame, stop, door,
Door, frame, stop, threshold
Door, frame, stop, threshold, door,
Window
Window, window,
Window, sill
Window, sill, window,
Window, sash
Window, sash, window,
Window, sash, sill
Window, sash, sill, window,
Window, frame
Window, frame, window,
Window, frame, sill
Window, frame, sill, window,
Window, frame, sash
Window, frame, sash, window,
Window, frame, sash, sill
Window, frame, sash, sill, window,

Network Topologies

Network topology is a topological structure of computer network, which can be physical or logical. The physical topology depicts location of different computer network elements such as computers, cables and other devices. The logical topology visually displays network dataflows from one device to another. Sometimes network logical and physical topologies can be the same. ConceptDraw DIAGRAM diagramming and vector drawing software is powerful for drawing network maps and network topologies diagrams of any kinds and complexity thanks to the Computer Network Diagrams solution from the Computer and Networks area. ConceptDraw STORE proposes collection of network icons libraries and a lot of Network Topology Diagram examples, samples and templates which were created at ConceptDraw DIAGRAM software specially for Computer Network Diagrams solution. There are six basic types of the network topologies: Bus, Star, Ring, Mesh, Tree, Fully Connected. You can fast and easy design professional-looking diagram for each of them using the ConceptDraw DIAGRAM tools. There are plenty of web Visio-like diagramming software available. Web based diagrams software can be powerful, but sometimes it is essential to have desktop software. One of the most advanced diagrams tools like Visio for Mac OS is ConceptDraw DIAGRAM app.
Create Network Topology Diagram
Create Network Topology Diagram
The vector stencils library "Cisco network topology" contains 89 symbols of Cisco network devices and design elements for drawing computer network topology diagrams.
"There are two basic categories of network topologies:
(1) Physical topologies,
(2) Logical topologies.
The shape of the cabling layout used to link devices is called the physical topology of the network. This refers to the layout of cabling, the locations of nodes, and the interconnections between the nodes and the cabling. The physical topology of a network is determined by the capabilities of the network access devices and media, the level of control or fault tolerance desired, and the cost associated with cabling or telecommunications circuits.
The logical topology in contrast, is the way that the signals act on the network media, or the way that the data passes through the network from one device to the next without regard to the physical interconnection of the devices." [Network topology. Wikipedia]
The symbols example "Cisco network topology - Vector stencils library" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Cisco Network Diagrams solution from the Computer and Networks area of ConceptDraw Solution Park.
www.conceptdraw.com/ solution-park/ computer-networks-cisco
Router
Router, router,
Broadband router
Broadband router , broadband router,
Router firewall
Router firewall, router with firewall ,
Wireless router
Wireless router, wireless router,
Workgroup switch
Workgroup switch, workgroup switch,
ATM switch
ATM switch, ATM switch ,
ISDN switch
ISDN switch, ISDN switch,
Multilayer switch
Multilayer switch, multilayer switch ,
Protocol translator
Protocol translator, protocol translator,
Communications server
Communications server, communications server, access server,
Transpath
Transpath, transpath,
Bridge
Bridge, bridge,
Terminal server
Terminal server, terminal server,
Route switch processor
Route switch processor, route switch processor,
Content engine (cache director)
Content engine (cache director), content engine, cache director,
Management engine (ME 1100)
Management engine (ME 1100), Management Engine, ME 1100,
Switch processor
Switch processor, switch processor,
ITP
ITP, ITP,
Voice gateway
Voice gateway, voice gateway,
BBSM
BBSM, BBSM,
ATA
ATA, ATA,
SIP Proxy server
SIP Proxy server, SIP Proxy server,
NetRanger
NetRanger, netranger,
Cisco 1000
Cisco 1000, Cisco 1000,
IP
IP, IP,
System controller
System controller, system controller,
ACE
ACE, ACE,
Directory server
Directory server, directory server,
ADM
ADM, ADM,
Cisco Unity Express
Cisco Unity Express, Cisco Unity Express,
Unity server
Unity server, unity server,
Cisco security
Cisco security, Cisco security,
CallManager
CallManager, callmanager, call manager,
DSLAM
DSLAM, DSLAM,
H.323
H.323, H.323 ,
CDM (Content Distribution Manager)
CDM (Content Distribution Manager), CDM, content distribution manager,
ICM
ICM, ICM,
Access point
Access point, access point,
Wireless bridge
Wireless bridge, wireless bridge,
Wireless connectivity
Wireless connectivity, wireless connectivity,
Guard
Guard, guard,
Mobile access router
Mobile access router, mobile access router,
Carrier Routing System (CRS)
Carrier Routing System (CRS), Carrier Routing System, CRS,
Vault
Vault, vault,
Workstation
Workstation, workstation,
PC
PC, PC,
Macintosh
Macintosh, Macintosh,
Cloud, gold
Cloud, gold, network cloud,
Cloud, white
Cloud, white, cloud,
Cloud, standard color
Cloud, standard color, cloud,
Cisco security management
Cisco security management, security management,
PBX
PBX, PBX,
DPT
DPT, DPT,
Government building
Government building, government building ,
Headquarters, blue
Headquarters, blue, headquarters, generic building,
Router in building
Router in building, router in building,
Man
Man, man,
Woman
Woman, woman,
Workgroup switch, subdued
Workgroup switch, subdued, workgroup switch,
Router, subdued
Router, subdued, router,
File server
File server, file server,
Firewall, horizontal
Firewall, horizontal, firewall,
Firewall, vertical
Firewall, vertical, firewall,
Firewall, vertical, subdued
Firewall, vertical, subdued, firewall,
Lock
Lock, lock,
Key
Key, key,
Lock and key
Lock and key, lock, key, lock and key,
Car
Car, car,
Truck
Truck, truck,
File cabinet
File cabinet, file cabinet,
Breakout box
Breakout box, breakout box,
Breakout box, blue
Breakout box, blue, breakout box,
Host
Host, host,
Relational database
Relational database, relational database,  database,
Modem
Modem, modem,
BBS (Bulletin Board System)
BBS (Bulletin Board System), BBS, bulletin board system,
Satellite
Satellite, satellite,
Satellite dish
Satellite dish, satellite dish,
UPS
UPS, UPS,
RPS
RPS, RPS,
MAU
MAU, MAU,
PAD
PAD, PAD,
PAD X.28
PAD X.28, PAD X.28,
Diskette
Diskette, diskette,
Contact center
Contact center, contact center,
Page icon
Page icon, page icon,
Antenna
Antenna, antenna,
Antenna, blue
Antenna, blue, antenna,
Radio tower
Radio tower, radio tower,

interactive voice response system, IVR Interactive Voice Response Diagrams

interactive voice response system, IVR
Interactive Voice Response Diagrams solution extends ConceptDraw DIAGRAM software with samples, templates and libraries of ready-to-use vector stencils that help create Interactive Voice Response (IVR) diagrams illustrating in details a work of interactive voice response system, the IVR system’s logical and physical structure, Voice-over-Internet Protocol (VoIP) diagrams, and Action VoIP diagrams with representing voice actions on them, to visualize how the computers interact with callers through voice recognition and dual-tone multi-frequency signaling (DTMF) keypad inputs.
The vector stencils library "Cisco WAN" contains 15 symbols of wide area network (WAN) devices and equipment for drawing Cisco WAN diagrams.
"A wide area network (WAN) is a network that covers a broad area (i.e., any telecommunications network that links across metropolitan, regional, or national boundaries) using leased telecommunication lines. Business and government entities utilize WANs to relay data among employees, clients, buyers, and suppliers from various geographical locations. ...
Related terms for other types of networks are personal area networks (PANs), local area networks (LANs), campus area networks (CANs), or metropolitan area networks (MANs) which are usually limited to a room, building, campus or specific metropolitan area (e.g., a city) respectively.
... it may be best to view WANs as computer networking technologies used to transmit data over long distances, and between different LANs, MANs and other localised computer networking architectures. ...
WANs are often built using leased lines. At each end of the leased line, a router connects the LAN on one side with a second router within the LAN on the other. Leased lines can be very expensive. Instead of using leased lines, WANs can also be built using less costly circuit switching or packet switching methods. Network protocols including TCP/ IP deliver transport and addressing functions. Protocols including Packet over SONET/ SDH, MPLS, ATM and Frame relay are often used by service providers to deliver the links that are used in WANs." [Wide area network. Wikipedia]
The symbols example "Cisco WAN - Vector stencils library" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Cisco Network Diagrams solution from the Computer and Networks area of ConceptDraw Solution Park.
www.conceptdraw.com/ solution-park/ computer-networks-cisco
CSU/DSU
CSU/DSU , CSU, DSU ,
WAN
WAN, WAN,
MUX
MUX, MUX,
PBX switch
PBX switch , PBX switch ,
Hub
Hub, hub,
Hub, blue
Hub, blue, hub,
NAT
NAT, NAT,
Network cloud, dark
Network cloud, dark, network cloud,
Network cloud, gold
Network cloud, gold, network cloud,
Network cloud, white
Network cloud, white, cloud,
Network cloud, standard color
Network cloud, standard color, cloud,
Distributed director
Distributed director, distributed director,
Local director
Local director, local director ,
PBX
PBX, PBX,
DPT
DPT, DPT,
The vector stencils library "Cisco WAN" contains 15 symbols of wide area network (WAN) devices and equipment for drawing Cisco WAN diagrams.
"A wide area network (WAN) is a network that covers a broad area (i.e., any telecommunications network that links across metropolitan, regional, or national boundaries) using leased telecommunication lines. Business and government entities utilize WANs to relay data among employees, clients, buyers, and suppliers from various geographical locations. ...
Related terms for other types of networks are personal area networks (PANs), local area networks (LANs), campus area networks (CANs), or metropolitan area networks (MANs) which are usually limited to a room, building, campus or specific metropolitan area (e.g., a city) respectively.
... it may be best to view WANs as computer networking technologies used to transmit data over long distances, and between different LANs, MANs and other localised computer networking architectures. ...
WANs are often built using leased lines. At each end of the leased line, a router connects the LAN on one side with a second router within the LAN on the other. Leased lines can be very expensive. Instead of using leased lines, WANs can also be built using less costly circuit switching or packet switching methods. Network protocols including TCP/ IP deliver transport and addressing functions. Protocols including Packet over SONET/ SDH, MPLS, ATM and Frame relay are often used by service providers to deliver the links that are used in WANs." [Wide area network. Wikipedia]
The symbols example "Cisco WAN - Vector stencils library" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Cisco Network Diagrams solution from the Computer and Networks area of ConceptDraw Solution Park.
www.conceptdraw.com/ solution-park/ computer-networks-cisco
CSU/DSU
CSU/DSU , CSU, DSU ,
WAN
WAN, WAN,
MUX
MUX, MUX,
PBX switch
PBX switch , PBX switch ,
Hub
Hub, hub,
Hub, blue
Hub, blue, hub,
NAT
NAT, NAT,
Network cloud, dark
Network cloud, dark, network cloud,
Network cloud, gold
Network cloud, gold, network cloud,
Network cloud, white
Network cloud, white, cloud,
Network cloud, standard color
Network cloud, standard color, cloud,
Distributed director
Distributed director, distributed director,
Local director
Local director, local director ,
PBX
PBX, PBX,
DPT
DPT, DPT,
The vector stencils library "Cisco network topology" contains 89 symbols of Cisco network devices and design elements for drawing computer network topology diagrams.
"There are two basic categories of network topologies:
(1) Physical topologies,
(2) Logical topologies.
The shape of the cabling layout used to link devices is called the physical topology of the network. This refers to the layout of cabling, the locations of nodes, and the interconnections between the nodes and the cabling. The physical topology of a network is determined by the capabilities of the network access devices and media, the level of control or fault tolerance desired, and the cost associated with cabling or telecommunications circuits.
The logical topology in contrast, is the way that the signals act on the network media, or the way that the data passes through the network from one device to the next without regard to the physical interconnection of the devices." [Network topology. Wikipedia]
The symbols example "Cisco network topology - Vector stencils library" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Cisco Network Diagrams solution from the Computer and Networks area of ConceptDraw Solution Park.
www.conceptdraw.com/ solution-park/ computer-networks-cisco
Router
Router, router,
Broadband router
Broadband router , broadband router,
Router firewall
Router firewall, router with firewall ,
Wireless router
Wireless router, wireless router,
Workgroup switch
Workgroup switch, workgroup switch,
ATM switch
ATM switch, ATM switch ,
ISDN switch
ISDN switch, ISDN switch,
Multilayer switch
Multilayer switch, multilayer switch ,
Protocol translator
Protocol translator, protocol translator,
Communications server
Communications server, communications server, access server,
Transpath
Transpath, transpath,
Bridge
Bridge, bridge,
Terminal server
Terminal server, terminal server,
Route switch processor
Route switch processor, route switch processor,
Content engine (cache director)
Content engine (cache director), content engine, cache director,
Management engine (ME 1100)
Management engine (ME 1100), Management Engine, ME 1100,
Switch processor
Switch processor, switch processor,
ITP
ITP, ITP,
Voice gateway
Voice gateway, voice gateway,
BBSM
BBSM, BBSM,
ATA
ATA, ATA,
SIP Proxy server
SIP Proxy server, SIP Proxy server,
NetRanger
NetRanger, netranger,
Cisco 1000
Cisco 1000, Cisco 1000,
IP
IP, IP,
System controller
System controller, system controller,
ACE
ACE, ACE,
Directory server
Directory server, directory server,
ADM
ADM, ADM,
Cisco Unity Express
Cisco Unity Express, Cisco Unity Express,
Unity server
Unity server, unity server,
Cisco security
Cisco security, Cisco security,
CallManager
CallManager, callmanager, call manager,
DSLAM
DSLAM, DSLAM,
H.323
H.323, H.323 ,
CDM (Content Distribution Manager)
CDM (Content Distribution Manager), CDM, content distribution manager,
ICM
ICM, ICM,
Access point
Access point, access point,
Wireless bridge
Wireless bridge, wireless bridge,
Wireless connectivity
Wireless connectivity, wireless connectivity,
Guard
Guard, guard,
Mobile access router
Mobile access router, mobile access router,
Carrier Routing System (CRS)
Carrier Routing System (CRS), Carrier Routing System, CRS,
Vault
Vault, vault,
Workstation
Workstation, workstation,
PC
PC, PC,
Macintosh
Macintosh, Macintosh,
Cloud, gold
Cloud, gold, network cloud,
Cloud, white
Cloud, white, cloud,
Cloud, standard color
Cloud, standard color, cloud,
Cisco security management
Cisco security management, security management,
PBX
PBX, PBX,
DPT
DPT, DPT,
Government building
Government building, government building ,
Headquarters, blue
Headquarters, blue, headquarters, generic building,
Router in building
Router in building, router in building,
Man
Man, man,
Woman
Woman, woman,
Workgroup switch, subdued
Workgroup switch, subdued, workgroup switch,
Router, subdued
Router, subdued, router,
File server
File server, file server,
Firewall, horizontal
Firewall, horizontal, firewall,
Firewall, vertical
Firewall, vertical, firewall,
Firewall, vertical, subdued
Firewall, vertical, subdued, firewall,
Lock
Lock, lock,
Key
Key, key,
Lock and key
Lock and key, lock, key, lock and key,
Car
Car, car,
Truck
Truck, truck,
File cabinet
File cabinet, file cabinet,
Breakout box
Breakout box, breakout box,
Breakout box, blue
Breakout box, blue, breakout box,
Host
Host, host,
Relational database
Relational database, relational database,  database,
Modem
Modem, modem,
BBS (Bulletin Board System)
BBS (Bulletin Board System), BBS, bulletin board system,
Satellite
Satellite, satellite,
Satellite dish
Satellite dish, satellite dish,
UPS
UPS, UPS,
RPS
RPS, RPS,
MAU
MAU, MAU,
PAD
PAD, PAD,
PAD X.28
PAD X.28, PAD X.28,
Diskette
Diskette, diskette,
Contact center
Contact center, contact center,
Page icon
Page icon, page icon,
Antenna
Antenna, antenna,
Antenna, blue
Antenna, blue, antenna,
Radio tower
Radio tower, radio tower,
The vector stencils library "Cisco WAN" contains 15 symbols of wide area network (WAN) devices and equipment for drawing Cisco WAN diagrams.
"A wide area network (WAN) is a network that covers a broad area (i.e., any telecommunications network that links across metropolitan, regional, or national boundaries) using leased telecommunication lines. Business and government entities utilize WANs to relay data among employees, clients, buyers, and suppliers from various geographical locations. ...
Related terms for other types of networks are personal area networks (PANs), local area networks (LANs), campus area networks (CANs), or metropolitan area networks (MANs) which are usually limited to a room, building, campus or specific metropolitan area (e.g., a city) respectively.
... it may be best to view WANs as computer networking technologies used to transmit data over long distances, and between different LANs, MANs and other localised computer networking architectures. ...
WANs are often built using leased lines. At each end of the leased line, a router connects the LAN on one side with a second router within the LAN on the other. Leased lines can be very expensive. Instead of using leased lines, WANs can also be built using less costly circuit switching or packet switching methods. Network protocols including TCP/ IP deliver transport and addressing functions. Protocols including Packet over SONET/ SDH, MPLS, ATM and Frame relay are often used by service providers to deliver the links that are used in WANs." [Wide area network. Wikipedia]
The symbols example "Cisco WAN - Vector stencils library" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Cisco Network Diagrams solution from the Computer and Networks area of ConceptDraw Solution Park.
www.conceptdraw.com/ solution-park/ computer-networks-cisco
CSU/DSU
CSU/DSU , CSU, DSU ,
WAN
WAN, WAN,
MUX
MUX, MUX,
PBX switch
PBX switch , PBX switch ,
Hub
Hub, hub,
Hub, blue
Hub, blue, hub,
NAT
NAT, NAT,
Network cloud, dark
Network cloud, dark, network cloud,
Network cloud, gold
Network cloud, gold, network cloud,
Network cloud, white
Network cloud, white, cloud,
Network cloud, standard color
Network cloud, standard color, cloud,
Distributed director
Distributed director, distributed director,
Local director
Local director, local director ,
PBX
PBX, PBX,
DPT
DPT, DPT,
The vector stencils library "Office pictograms" contains 20 icons of office symbols, stationery, office supplies, writing implement, writing instruments. Use it to draw your business infographics. The example "Office pictograms - Vector stencils library" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Pictorial infographics solution from the area "What is infographics" in ConceptDraw Solution Park.
Paper
Paper, paper,
Binder clip
Binder clip, binder clip,
Pencil
Pencil, pencil,
Stamp
Stamp, stamp,
Scissors
Scissors, scissors,
Folder
Folder, folder,
Office folders
Office folders, office folders,
Tie
Tie, tie,
Coffee cup
Coffee cup, Coffee cup,
File
File, file, document,
Envelope
Envelope, envelope, mail,
Printer
Printer, printer,
Paper shredder
Paper shredder, paper shredder,
Calculator
Calculator, calculator,
Armchair
Armchair, armchair, chair, working place,
Wastepaper basket
Wastepaper basket, trash bin, wastepaper basket,
Cabinet
Cabinet, cabinet, drawers, boxes,
Telephone
Telephone, telephone,
Fax
Fax, fax,
Phone book
Phone book, phone book,
The vector stencils library "Cisco WAN" contains 15 symbols of wide area network (WAN) devices and equipment for drawing Cisco WAN diagrams.
"A wide area network (WAN) is a network that covers a broad area (i.e., any telecommunications network that links across metropolitan, regional, or national boundaries) using leased telecommunication lines. Business and government entities utilize WANs to relay data among employees, clients, buyers, and suppliers from various geographical locations. ...
Related terms for other types of networks are personal area networks (PANs), local area networks (LANs), campus area networks (CANs), or metropolitan area networks (MANs) which are usually limited to a room, building, campus or specific metropolitan area (e.g., a city) respectively.
... it may be best to view WANs as computer networking technologies used to transmit data over long distances, and between different LANs, MANs and other localised computer networking architectures. ...
WANs are often built using leased lines. At each end of the leased line, a router connects the LAN on one side with a second router within the LAN on the other. Leased lines can be very expensive. Instead of using leased lines, WANs can also be built using less costly circuit switching or packet switching methods. Network protocols including TCP/ IP deliver transport and addressing functions. Protocols including Packet over SONET/ SDH, MPLS, ATM and Frame relay are often used by service providers to deliver the links that are used in WANs." [Wide area network. Wikipedia]
The symbols example "Cisco WAN - Vector stencils library" was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Cisco Network Diagrams solution from the Computer and Networks area of ConceptDraw Solution Park.
www.conceptdraw.com/ solution-park/ computer-networks-cisco
CSU/DSU
CSU/DSU , CSU, DSU ,
WAN
WAN, WAN,
MUX
MUX, MUX,
PBX switch
PBX switch , PBX switch ,
Hub
Hub, hub,
Hub, blue
Hub, blue, hub,
NAT
NAT, NAT,
Network cloud, dark
Network cloud, dark, network cloud,
Network cloud, gold
Network cloud, gold, network cloud,
Network cloud, white
Network cloud, white, cloud,
Network cloud, standard color
Network cloud, standard color, cloud,
Distributed director
Distributed director, distributed director,
Local director
Local director, local director ,
PBX
PBX, PBX,
DPT
DPT, DPT,