Cisco MC3810-V - Concentrator - External Guide d'installation télécharger pdf (Page 26)

Perform Initial Conﬁguration (continued)

Conﬁguring Analog Voice Ports

To conﬁgure the basic analog voice-port settings, perform the following tasks:

Step Command Purpose

router> configure terminal

Enter global conﬁguration mode.

router(config)# voice-port

slot/port

Enter voice-port conﬁguration mode, and specify the voice port

you want to conﬁgure by entering the logical slot number and port

number (see table on page 23). The commands entered in Steps 3

through 4 affect only the voice port you specify here.

The slot number for analog voice ports on the Cisco MC3810 is

always 1. The number 0 is not used for any voice port.

router(config-voiceport)# codec

{g729r8 | g729ar8 | g726r32 |

g711alaw | g711ulaw}

(Optional) Conﬁgure the voice-port compression mode. The

g729ar8 value is the default and is recommended.

Simultaneously active on-net voice call support by compression

mode:

• g729ar8—24 calls maximum

• g729r8—12 calls maximum

Nominal data rates for compression modes:

• g729r8 and g729ar8—8 kbps

• g726r32—32 kbps

• g711alaw and g711ulaw—64 kbps

router(config-voiceport)# connection

{tie-line | plar | plar opx}

string

Conﬁgure the voice-port connection mode type. If the connection

is to a PBX, use the tie-line option, If the connection is for Private

Line Auto Ringdown (PLAR) use the plar option.

If the connection is for PLAR Off-Premises eXtension (OPX), use

the plar-opx option. With this option, the local voice port will

provide a local response before the remote voice port receives an

answer, and FXO interfaces will not answer until the remote side

answers.

If you want to change the default signaling type for the voice port, choose one of the following:

router(config-voiceport)# signal

{loop-start | ground-start}

Conﬁgure the signaling type for FXO and FXS voice ports. The

default is loop-start.

router(config-voiceport)# signal

{wink-start | immediate |

delay-dial}

Conﬁgure the signaling type for E&M voice ports. The default is

wink-start.

router(config-voiceport)# dial-type

{pulse | dtmf}

Change the transmit dial type if necessary (FXO and E&M ports

only). The default is dtmf.

Only FXO and FXS ports transmit dial pulses.

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Cisco MC3810-V - Concentrator - External Guide d'installation Page 26

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