Cisco Systems 3600 Configure Number Expansion, Shows the number expansion table for this scenario

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Configure Number Expansion

Figure 5 Sample Voice over IP Network

 

 

408 115-1001

 

 

 

 

 

 

 

Cisco 3600

 

 

 

 

 

 

 

408 116-1002

 

 

Voice port Router 1

 

 

 

 

 

 

0:D

WAN

 

 

 

 

 

 

 

 

 

 

 

 

10.1.1.1

1:D

T1 ISDN PRI

408 117-1003

729 555-1001

729 555-1002

729 555-1000

729 555-1003

 

 

 

T1

 

 

ISDN PRI

 

IP

 

 

 

Voice port 0:D

cloud

WAN

 

 

 

 

10.1.1.2

 

 

 

 

 

Cisco 3600

 

 

Router 2

 

 

15586

Table 5 shows the number expansion table for this scenario.

Table 5

Sample Number Expansion Table

 

 

 

 

 

Extension

Destination Pattern

Num-Exp Command Entry

 

 

 

 

5....

40811

num-exp 5....

408115....

 

 

 

 

6....

40811

num-exp 6....

408116....

 

 

 

 

7....

40811

num-exp 7....

408117....

 

 

 

 

1...

729555....

num-exp 2....

729555....

 

 

 

 

Note You can use the period symbol (.) to represent variables (such as extension numbers) in a telephone number.

The information included in this example needs to be configured on both Router 1 and Router 2.

Configure Number Expansion

To define how to expand an extension number into a particular destination pattern, use the following command in global configuration mode:

Command

Purpose

num-expextension-number extension-string

Configure number expansion.

 

 

You can verify the number expansion information by using the show num-expcommand to verify that you have mapped the telephone numbers correctly.

After you have configured dial peers and assigned destination patterns to them, you can verify number expansion information by using the show dialplan number command to see how a telephone number maps to a dial peer.

Configuring Voice over IP for the Cisco 3600 Series VC-25

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Contents How Voice over IP Processes a Telephone Call Configuring Voice over IP for the Cisco 3600 SeriesList of Terms Prerequisite Tasks Voice over IP Configuration Task List Configure IP Networks for Real-Time Voice Traffic VC-18Voice, Video, and Home Applications Configuration Guide Step Command Purpose Configure Multilink PPP with InterleavingMultilink PPP Configuration Example Configure RTP Header CompressionRTP Header Compression Configuration Example Enable RTP Header Compression on a Serial InterfaceChange the Number of Header Compression Connections Configure Custom Queuing Configure Frame Relay for Voice over IPConfigure Weighted Fair Queuing Frame Relay for Voice over IP Configuration Example Create a Number Expansion Table Configure Number ExpansionShows the number expansion table for this scenario Configure Number ExpansionInbound versus Outbound Dial Peers Configure Dial PeersInbound versus Outbound Dial Peers Codec Create a Peer Configuration TableOutbound Dialing on Pots Peers Configure Pots PeersDirect Inward Dial for Pots Peers Incoming and Outgoing Pots Call Legs Configure VoIP Peers Configure IP Precedence for Dial Peers Optimize Dial Peer and Network Interface ConfigurationsTroubleshooting Tips Validation TipsConfigure Rsvp for Dial Peers Configure Codec for a VoIP Dial Peer Configure Codec and VAD for Dial PeersConfigure VAD for a VoIP Dial Peer Configure Voice over IP using a Trunk ConnectionVC-36Voice, Video, and Home Applications Configuration Guide Configure a Trunk Connection Configure Voice over IP for Microsoft NetMeetingFXS-to-FXS Connection Using Rsvp Voice over IP Configuration ExamplesFXS-to-FXS Connection Example Configuration for Router RLB-1VC-40Voice, Video, and Home Applications Configuration Guide Configuration for Router R12-e Configuration for Router RLB-wConfiguration for Router RLB-2 Linking PBX Users with E&M Trunk Lines Configuration for Router SJConfiguration for Router SLC Pstn Gateway Access Using FXO Connection Example Pstn Gateway Access Using FXO ConnectionPstn Gateway Access Using FXO Connection Plar Mode Pstn Gateway Access Using FXO Connection Plar ModeConfiguring Voice over IP for the Cisco 3600 Series VC-47 VC-48Voice, Video, and Home Applications Configuration Guide
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3600 specifications

Cisco Systems 3600 is a high-performance modular router series designed for small to medium-sized enterprises and branch offices. Launched in the late 1990s, it has been widely recognized for its flexibility, scalability, and reliability. The series is part of Cisco's extensive networking portfolio and has played a vital role in delivering various services and applications while enhancing operational efficiency.

One of the main features of the Cisco 3600 series is its modular architecture, allowing organizations to customize the router according to their specific needs. The system supports various interface modules that can accommodate different types of connections, including serial, Ethernet, and DSL, which helps in building versatile network solutions. The modularity not only increases the router’s lifespan by enabling upgrades as technology changes but also supports future expansion as the organization grows.

The Cisco 3600 series routers utilize advanced routing protocols, such as RIP, OSPF, EIGRP, BGP, and IS-IS, to ensure efficient data transmission and optimal network performance. This capability allows the routers to adapt to varying traffic demands and complexities, thereby optimizing bandwidth utilization and reducing latency in communications. With extensive memory options, including Flash and DRAM, the 3600 series can handle robust data processing and support intricate routing environments.

Security is another critical feature of the Cisco 3600 series. It includes support for VPNs, firewalls, and other security protocols, providing a secure environment for data transfer. The implementation of features like Access Control Lists (ACLs) and Intrusion Detection Systems (IDS) enhances the overall security posture, making it suitable for organizations looking to protect their sensitive information.

In terms of scalability, Cisco 3600 routers can easily accommodate increased workloads and network growth. This is done through the provision of additional modules and cards to increase capacity and performance. The series can also support multiple WAN connections, enabling seamless integration with various telecommunication services.

Additionally, the Cisco 3600 series is designed for ease of management. Utilizing Cisco's IOS software, network administrators can manage and configure the routers efficiently, thanks to a user-friendly interface and extensive command capabilities. This makes troubleshooting simpler and ensures network availability remains high.

In conclusion, Cisco Systems 3600 series routers combine robust performance, security features, and scalability, making them an invaluable asset for businesses looking to maintain a reliable and efficient networking solution.