Cisco MC3810 Guía de instalación

Configuring Voice over IP for Cisco MC3810 Series Concentrators 1Configuring Voice over IP for CiscoMC3810 Series ConcentratorsFeature SummaryVoice o

Configuring Dial Peers10Release 12.0(7)XKTo configure direct inward dial (DID) for a particular POTS dial peer, use the following commandsbeginning in

Configuring Dial Peer Hunting Configuring Voice over IP for Cisco MC3810 Series Concentrators 11Foradditional VoIP dial-peer configuration options, ref

Configuring Dial Peers12Release 12.0(7)XKIf using dial peer hunting, there may be situations in which you want to disable dial-peer hunting ona specifi

Optimizing Dial Peer and Network Interface Configurations Configuring Voice over IP for Cisco MC3810 Series Concentrators 13Optimizing Dial Peer and N

Optimizing Dial Peer and Network Interface Configurations14Release 12.0(7)XKThe default for the codec command is g729r8; normally the default configura

Configuring Codec Selection Order Configuring Voice over IP for Cisco MC3810 Series Concentrators 15To configure a voice class in which you can define t

Configuring Voice Ports16Release 12.0(7)XKVerifying Codec Settings of Dial PeersTo display the codec voice-classes assigned to VoIP dial peers, enter

Configuring FXO or FXS Voice Ports Configuring Voice over IP for Cisco MC3810 Series Concentrators 17• Configuring E&M Voice Ports• Fine-Tuning E&a

Configuring Voice Ports18Release 12.0(7)XKValidation TipsYou can check the validity of your voice-port configuration by performing the following tasks:

Fine-Tuning FXO and FXS Voice Ports Configuring Voice over IP for Cisco MC3810 Series Concentrators 19Fine-Tuning FXO and FXS Voice PortsDepending on

Benefits2Release 12.0(7)XK• Transparent CCS and Frame Forwarding Enhancments on the Cisco MC3810, Cisco IOSRelease 12.0(7)XK online document• Voice Po

Configuring Voice Ports20Release 12.0(7)XK8router(config-voiceport)# condition {tx-a-bit |tx-b-bit | tx-c-bit | tx-d-bit} {rx-a-bit |rx-b-bit | rx-c-b

Configuring E&M Voice Ports Configuring Voice over IP for Cisco MC3810 Series Concentrators 21Configuring E&M Voice PortsThe default E&M vo

Configuring Voice Ports22Release 12.0(7)XK2router(config-voiceport)# connection {plar |tie-line | trunk | plar-opx}destination-string[answer-mode]Spec

Configuring E&M Voice Ports Configuring Voice over IP for Cisco MC3810 Series Concentrators 236router(config-voiceport)# type {1 | 2 | 3 | 5}Selec

Configuring Voice Ports24Release 12.0(7)XKValidation TipsYou can check the validity of your voice-port configuration by performing the following tasks:

Fine-Tuning E&M Voice Ports Configuring Voice over IP for Cisco MC3810 Series Concentrators 25Step Command Purpose1router# configure terminalEnter

Configuring Voice Ports26Release 12.0(7)XK16router(config-voiceport)# timing clear-waitmillisecondsSpecify the number of milliseconds between the inac

Activating the Voice Port Configuring Voice over IP for Cisco MC3810 Series Concentrators 27Activating the Voice PortAfter you have configured the voic

Configuring the H.323 Gateway28Release 12.0(7)XKEnabling VoIP Gateway FunctionalityEnable VoIP gateway functionality by using the gateway command.To e

Linking PBX Users with E&M Trunk Lines Configuring Voice over IP for Cisco MC3810 Series Concentrators 29Configuration ExampleThe actual Voice over

Benefits Configuring Voice over IP for Cisco MC3810 Series Concentrators 3(c) Configuring IP RTP PriorityRefer to the “Configuring IP Networks for Real-

Configuring the H.323 Gateway30Release 12.0(7)XK!Configure pots dial peer 1dial-peer voice 1 potsdestination-pattern 555...port 1/0/0!Configure pots

PSTN Gateway Access Using FXO Connection Configuring Voice over IP for Cisco MC3810 Series Concentrators 31interface serial 0/0description serial inte

Configuring the H.323 Gateway32Release 12.0(7)XK! Configure the serial interfaceinterface serial 0/0clock rate 2000000ip address 172.16.1.123no shutdo

Codec Preference Configuration Configuring Voice over IP for Cisco MC3810 Series Concentrators 33Configuration for Router SJ! Configure pots dial peer

Configuring the H.323 Gateway34Release 12.0(7)XKThe following example assigns a voice class 10 to a VoIP dial peer:router(config)# dial-peer voice 25

Codec Preference Configuration Configuring Voice over IP for Cisco MC3810 Series Concentrators 35Command ReferenceThis section documents new or modifie

codec preference36Release 12.0(7)XKcodec preferenceTo define the order of preference in which network dial peers select codecs, use the codecpreference

codec preference Configuring Voice over IP for Cisco MC3810 Series Concentrators 37Command ModesVoice class configurationCommand HistoryUsage Guideline

codec preference38Release 12.0(7)XKExamplesThe following example shows how to create a voice class and specify a codec selection preferencefor the voi

connection Configuring Voice over IP for Cisco MC3810 Series Concentrators 39connectionTo specify a connection mode for a voice port, use the connecti

Preparing to Configure VoIP4Release 12.0(7)XKUnder most circumstances, the default voice-port command values are adequate to configureFXOand FXS ports

connection40Release 12.0(7)XKUsage GuidelinesUse this command to specify a connection mode for a specific interface. For example, use theconnection pla

connection Configuring Voice over IP for Cisco MC3810 Series Concentrators 41Related CommandsCommand Descriptiondestination-pattern Specifies either th

dial-peer hunt42Release 12.0(7)XKdial-peer huntTo specify a hunt selection order for dial-peers, use the dial-peer hunt dial-peer configurationcommand.

dial-peer hunt Configuring Voice over IP for Cisco MC3810 Series Concentrators 43configuration. “Least recent use” refers to the destination pattern th

dial-peer terminator44Release 12.0(7)XKdial-peer terminatorTo change the character used as a terminator for variable length dialed numbers, use the di

dial-peer terminator Configuring Voice over IP for Cisco MC3810 Series Concentrators 45Related CommandsCommand Descriptionanswer-address Specifies the

dial-peer voice46Release 12.0(7)XKdial-peer voiceTo enter dial-peer configuration mode and specify the method of voice encapsulation, use thedial-peer

dial-peer voice Configuring Voice over IP for Cisco MC3810 Series Concentrators 47Command HistoryUsage GuidelinesUsethedial-peervoiceglobal configurati

ds0-group48Release 12.0(7)XKds0-groupTo specify the DS0 timeslots that makeup a logical voiceport on a T1 or E1 controller, and tospecifythe signaling

ds0-group Configuring Voice over IP for Cisco MC3810 Series Concentrators 49DefaultNo DS0 group is defined.Command ModeController configurationCommand H

Configuring Multilink PPP with Interleaving Configuring Voice over IP for Cisco MC3810 Series Concentrators 5in your network do not necessarily perfor

ds0-group50Release 12.0(7)XKOn the Cisco MC3810, the slot number is the controller number. Although only one voice port iscreated for each group, appl

dtmf-relay Configuring Voice over IP for Cisco MC3810 Series Concentrators 51dtmf-relayUse the dtmf-relay command to specify how an H.323 gateway rela

dtmf-relay52Release 12.0(7)XKNote The cisco-rtp version of dtmf-relay is a proprietary Cisco implementation and onlyinteroperates between Cisco AS5300

forward-digits Configuring Voice over IP for Cisco MC3810 Series Concentrators 53forward-digitsTo specify which digits to forward for voice calls, use

forward-digits54Release 12.0(7)XKUse the default form of this command if a non-default digit-forwarding scheme was enteredpreviously, and you wish to

huntstop Configuring Voice over IP for Cisco MC3810 Series Concentrators 55huntstopTo disable all further dial-peer hunting if a call fails when using

icpif56Release 12.0(7)XKicpifTo specify the Impairment/Calculated Planning Impairment Factor (ICPIF) for calls sent by a dialpeer, use the icpif dial

incoming called-number Configuring Voice over IP for Cisco MC3810 Series Concentrators 57incoming called-numberTo identify the service type for a call

incoming called-number58Release 12.0(7)XKExampleThe following example configures calls coming in to the server with a called number of “3799262”as voic

num-exp Configuring Voice over IP for Cisco MC3810 Series Concentrators 59num-expTo define a complete telephone number for an extension, use the num-ex

Configuring IP Networks for Real-Time Voice Traffic6Release 12.0(7)XKNote Multilink PPP should not be used on links greater than 2 Mbps.Multilink PPP

num-exp60Release 12.0(7)XKThe following example specifies that all five-digit extensions beginning with 5 be expanded to1408555 . . . .num-exp 5... 140

session target Configuring Voice over IP for Cisco MC3810 Series Concentrators 61session targetTo configure a network-specific address for a dial peer,

session target62Release 12.0(7)XKCommand HistoryUsage GuidelinesThis command applies to both the Cisco 3600 series and the Cisco MC3810.Use the sessio

session target Configuring Voice over IP for Cisco MC3810 Series Concentrators 63The following example configures a session target using DNS, with the

show call active voice64Release 12.0(7)XKshow call active voiceTo show the active call table, use the show call active voice privileged EXEC command.s

show call active voice Configuring Voice over IP for Cisco MC3810 Series Concentrators 65GapFillWithInterpolation=0 GapFillWithRedundancy=0 HiWaterPla

show call active voice66Release 12.0(7)XKRelated CommandsNoiseLevel Active noise level for the call.OnTimeRvPlayout Duration of voice playout from dat

show call history voice Configuring Voice over IP for Cisco MC3810 Series Concentrators 67show call history voiceTo display the call history table, us

show call history voice68Release 12.0(7)XKExampleThe following is sample output from the show call history voice command for a VoFR call usingthe frf1

show call history voice Configuring Voice over IP for Cisco MC3810 Series Concentrators 69ACOMLevel=20SessionTarget=The following is sample output fro

Configuring RTP Header Compression Configuring Voice over IP for Cisco MC3810 Series Concentrators 7Figure 1 RTP Header CompressionYou should configure

show call history voice70Release 12.0(7)XKTable 3 Show Call History Voice Field DescriptionsField DescriptionACOMLevel Average ACOM level for this cal

show call history voice Configuring Voice over IP for Cisco MC3810 Series Concentrators 71Related CommandsRemoteIPAddress Remote system IP address for

show num-exp72Release 12.0(7)XKshow num-expTo show the number expansions configured, use the show num-exp privileged EXEC command.show num-exp [dialed-

show num-exp Configuring Voice over IP for Cisco MC3810 Series Concentrators 73Related CommandsTable 4 Show Num-Exp Voice Field DescriptionsField Desc

voice class codec74Release 12.0(7)XKvoice class codecTo enter voice-class configuration mode and assign an identification tag number for a codec voicecl

voice class codec Configuring Voice over IP for Cisco MC3810 Series Concentrators 75Related CommandsCommand Descriptioncodec preference Defines the or

voice-class codec (dial-peer)76Release 12.0(7)XKvoice-class codec (dial-peer)To assign a previously-configured codec selection preference list (codec v

voice-class codec (dial-peer) Configuring Voice over IP for Cisco MC3810 Series Concentrators 77Related CommandsCommand Descriptioncodec preference De

voice-group78Release 12.0(7)XKvoice-groupThis command was added in Cisco IOS Release 11.3(1)MA on the Cisco MC3810. Beginning withCisco IOS Release 12

Configuring IP Networks for Real-Time Voice Traffic8Release 12.0(7)XKChange the Number of Header Compression ConnectionsBy default, the software suppo

Configuring Number Expansion Configuring Voice over IP for Cisco MC3810 Series Concentrators 9To reserve a strict priority queue for a set of RTP pack