Power of Alias command

In Cisco IOS , you have the option to put in place your own command with the command alias .

Don’t be shy to use it as it can be fun for the long expression or command that you have problem to remember / to type .

Here are some examples :

!
alias configure ns no shut
alias exec scavb show call active voice brief
alias exec sdvs show dial-peer voice summary
!

G711ulaw / G711alaw Asymetric choice for fax issues on VG224 configurations

On VG224 , you can choose asymetric G711 codec with the voice service voip command for the fax issues.

voice service voip
!
modem passthrough nse codec g711alaw
!

The modem passthrough commands will determine the G711 mode used for outbound calls

But the following part of config will determine the codec use for inbound calls :

!
dial-peer voice 15 voip
description <=== avoid PVID 0 in VG224 ==>
answer-address .
modem passthrough nse codec g711ulaw
session target ipv4:<<loopback_address>>
!

So in our case , the incoming calls will considered in g711ulaw and outgoing calls will be treated as g711ulaw

PVID 0

Never forget to use the answer-address or incoming called number to remove the use of the PVID 0.

Especially when you want to negotiate your codec and VAD.

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