Cisco Systems 3600 manual Configure Pots Peers, Outbound Dialing on Pots Peers

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Configure POTS Peers

Configure POTS Peers

Once again, POTS peers enable incoming calls to be received by a particular telephony device. To configure a POTS peer, you need to uniquely identify the peer (by assigning it a unique tag number), define its telephone number(s), and associate it with a voice port through which calls will be established. Under most circumstances, the default values for the remaining dial-peer configuration commands will be sufficient to establish connections.

To enter the dial-peer configuration mode (and select POTS as the method of voice-related encapsulation), use the following command in global configuration mode:

Command

Purpose

dial-peer voice number pots

Enter the dial-peer configuration mode to configure a POTS

 

peer.

 

 

The number value of the dial-peer voice pots command is a tag that uniquely identifies the dial peer. (This number has local significance only.)

To configure the identified POTS peer, use the following commands in dial-peer configuration mode:

Step

Command

Purpose

1

destination-pattern string

Define the telephone number associated with this POTS dial

 

 

peer.

 

 

 

2

port slot-number/subunit-number/port

Associate this POTS dial peer with a specific voice port.

 

 

 

Outbound Dialing on POTS Peers

When a router receives a voice call, it selects an outbound dial peer by comparing the called number (the full E.164 telephone number) in the call information with the number configured as the destination pattern for the POTS peer. The router then strips out the left-justified numbers corresponding to the destination pattern matching the called number. If you have configured a prefix, the prefix will be put in front of the remaining numbers, creating a dial string, which the router will then dial. If all numbers in the destination pattern are stripped-out, the user will receive (depending on the attached equipment) a dial tone.

For example, suppose there is a voice call whose E.164 called number is 1(310) 555-2222. If you configure a destination-pattern of “1310555” and a prefix of “9,” the router will strip out “1310555” from the E.164 telephone number, leaving the extension number of “2222.” It will then append the prefix, “9,” to the front of the remaining numbers, so that the actual numbers dialed is “9, 2222.” The comma in this example means that the router will pause for one second between dialing the “9” and the “2” to allow for a secondary dial tone.

For additional POTS dial-peer configuration options, refer to the “Voice-Related Commands” section of the Voice, Video, and Home Applications Command Reference.

Direct Inward Dial for POTS Peers

Direct inward dial (DID) is used to determine how the called number is treated for incoming POTS call legs. As shown in Figure 10, incoming means from the perspective of the router. In this case, it is the call leg coming into the access server to be forwarded through to the appropriate destination pattern.

Configuring Voice over IP for the Cisco 3600 Series VC-29

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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 CompressionChange the Number of Header Compression Connections Enable RTP Header Compression on a Serial InterfaceRTP Header Compression Configuration Example Configure Weighted Fair Queuing Configure Frame Relay for Voice over IPConfigure Custom 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 TableDirect Inward Dial for Pots Peers Configure Pots PeersOutbound Dialing on 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.

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